PROGRAMMABLE LOGIC CONTROLLER

FOR ELEVATORS

CEA51FA

CONTROLES S.A.

Electrónica Industrial y Telecomunicaciones

Avenida Rivera 3314

11300 Montevideo

Uruguay

Tel.: +598 (2) 622 0651

Fax: +598 (2) 622 2048

E-mail: info@controles.com

www.controles.com

INDEX OF ILLUSTRATIONS

CEA51FA basic implementation is a single board circuit useful for most applications such as:

- up to 24 landings collective down selective

- up to 16 landings collective full selective

- 10 output relays

Adding a EXP51FA expansion board the system grows to bigger applications, such as:

- up to 32 landings collective full selective ( up to 40 for group configurations)

- 18 output relays

CEA51FA includes serial communication ports of several kinds : FO (fiber optics), TTL, RS232 and RS422.

- FO port is normally used to communicate two CEA51FA forming a duplex system or to communicate each CEA51FA with a COO51FA in a group, up to six cars.

- RS232 and RS422 ports are used to link CEA51FA with PCs and accessories:

to send and receive configuration parameters from PC or service keypad.

to send information and receive orders from local or remote supervisor.

to send orders to digital position indicators and voice annunciator.

CEA51FA is user configurable. Controles S.A. offers friendly application software (Windows 95 based) to define parameters for each application. Factory configurations may be ordered. Special programs are sent through INTERNET.

Since 1973 Controles S.A. designs and manufactures electronic elevator controls. Through the years the goal has been to get a small, simple and robust unit to be easily integrated to a full elevator control panel.

CEA51FA can be factory configured for special orders. In that case we must receive the complete definition for the intended application. The configuration will be included in the master ROM

(usually 27C256). Changes can be sent by INTERNET and new ROMs programmed by the user with the received ROM files.

Special forms are offered to state the required parameters.

In this case the user (control panel manufacturer, systems installer, maintenance company) defines the complete configuration for its application. A broad selection of parameters is offered.

CEA51FA-PCW configuration software and CPTTL-PC interface cable are needed. The software is Windows 98 based, to run in a 486 PC or better. The interface cable links the TTL port at the CEA51FA with a DB9 RS232 port at the PC.

The configuration is saved in an EAROM memory, and may be read and modified to change definitions for the specific case or to use the CEA51FA on another control panel.

A four figures code can be defined to permit the access to the controller. If this code is defined as 0 the controller is accessed freely. Otherwise the code must be entered to access the configuration and to clear time accumulator.

Maintenance personnel can use the T51FA Handheld Auxiliary Terminal (or a laptop) to clear the time accumulator. Two time periods may be defined:

• time between inspections, 0 to 120 days. If defined as 0 this routine doesn’t work. Otherwise, when the time accumulator overflows the configured period the CEA51FA commands all position indicators in a blinking mode.
• Time tolerance between inspections. When the time accumulator content is grater than the sum of the time between inspections plus the time tolerance between inspections the system goes into independent service.

CEA51FA handles:

- call inputs (0 Vdc active)

- position sensor inputs

- state inputs (safety series, door position)

- motor temperature sensor

- AC power line phase sensors (to sense phase loss or phase reversal)

- special inputs:

attendant orders

independent service

inspection service

emergency service (phase I and phase II)

- load sensor inputs (three levels)

- call recognition lamp outputs (0 Vdc active, through the call wire)

- relays

- output for digital position indicators, serial or parallel

- output for voice annunciator

- gong and lantern commands

- output for local and remote supervisor

- PC link for controller configuration

- T51FA Handheld Auxiliary Terminal link for configuration, log reading, parameter changes and time accumulator clearing.

- ConfC51-PCW configuration software

- COO51FA programmable group controller

- EXT51FA hall calls card for group systems

- EXP51FA-xxx expansion cards

- CEA10 programmable logic controller

- CEA31 programmable logic controller

- CEA31-PCW configuration software

- SSA2-WIN and SSA6-WIN supervisor PC software

- SSA-TEDI and SSA-CENTRAL supervisor network software

- ROM-resident test software for CEA51FA, CEA10 and CEA31

- SIMP3 system simulator

- T51FA Handheld Auxiliary Terminal

- SP51 and SP31 infrared position sensors

- ATA2DCM unit (interfaces safety circuits to CEA51FA input, LEDs and 2 digit position indicator)

- EFAV51FA adapter for high speed elevators and AC line supervision

- E1ROC, E8ROC and E8RSA auxiliary relay units

- D16RSA 16 relay 1/16 decoder card

- Several input and input/output auxiliary cards

- IND1D14MM, IND1D20MM and IND1D38MM one digit 7 or 14 (16) segment position indicators

- IND2D14MM, IND2D20MM and IND2D38MM two digit 7 or 14 (16) segment position indicators

- IND2D14MM-3H, IND2D20MM-3H and IND2D38MM-3H two digit 7 segment position indicators, one line serial command

- GONG800 chime generator

- IML2D50L dynamic dot matrix position indicator

- AV51FA voice annunciator

- AV51FA-PCW software for recording messages for the voice annunciator

- serial communication cables and adapters

- transformers and power supplies

- input/output adapters

- RF3 and ARF3 phase loss or phase reversal relay

- Service Manual - MCEA51FA-M

- Programming Manual - MCEA51FA-C

- T51FA Handheld Auxiliary Terminal Manual- MT51FA-U

- Group Supervisor COO51FA Manual - MCOO51FA-U

- PC Supervision Software for Elevators

- Elevator Controller’s Accessories Data Sheets

POWER INPUT

CEA51FA accepts AC or DC power input:

- 24 Vcc CA1 (+) y MA (-) inputs

- 2*20 Vca 50/60 Hz CA1, CA2, MA inputs

- 3*20 Vca 50/60 Hz CA1, CA2, CA3, MA inputs

- Maximum power input 20 VA

Position is sensed by infrared sensors over the car and flags in the hoistway. Sensors source 24V 20 mA and open when a flag is detected (or dry contacts that open a circuit when sensing appropriately located cams). Two to six position sensors may be needed, according to the application . (See the diagrams).

Sensor outputs are wired to EXS, EXD, PAS and PAD inputs. Six position sensors must be used for high speed cars, when slow-down for several floors travel begins one to two floor in advance. In this case PAS, PAD, APAS and APAD sensor outputs are wired to EFAV51FA adapter card.

Can be used for every kind of drives when slow-down begins inside the floor zone (Slow-down is not floor-advanced).

Each sensor and related flags are mounted in four different vertical lines.

EXS senses the highest car travel position. The flag extends from the point where slow-down begins to the position where upper limit safety switch opens.

EXD senses the lowest car travel position. The flag extends from the point where slow-down begins to the position where lower limit safety switch opens.

Two PAS flags per floor are mounted (only one at the top floor). One of them is used to increase position count and to initiate slow-down. The other one sets the level position.

Two PAD flags per floor are mounted (only one at the lowest floor). One of them is used to decrease position count and to initiate slow-down. The other one sets the level position.

PAS and PAD flags that are used to change position must have a vertical clearance of 50 mm or more. They may be mounted in any order, that is PAS below PAD or PAD below PAS. These flags must be 50 mm long or more. (These flags must be seen for at least 20 ms. Clearance between flags must be 20 ms or more. 50 mm corresponds to a car speed of 150 m/m)

PAS and PAD flags that are used to set level position must have a common vertical path of at least 50 mm (20 ms). Each flag must be seen for at least 50 mm (20 ms) before the other, depending on the travel direction.

For example, in a system with floor to floor velocity command V2 and high velocity command V3, when running up to the nth. floor at speed V3 slow-down begins between the (n-2)th. and the (n-1)th. floors. When running up to the nth. floor at speed V2 slow-down begins between the (n-1)th. and the nth floors. (A time delay to open TAUL can be defined for V2 operation). RAU1 is defined as V3 and RAU2 as 0.

The flags to begin slow-down must have a vertical clearance of 50 mm (20 ms) or more in each pair. They may be mounted in any order, that is PASi below PADi or PADi below PASi. These flags must be 50 mm (20 ms) long or more.

When high velocity command V3 is high PAS1 and PAD1 pair is selected. Output command V3 goes to 0 when slow-down begins and then PAS0 and PAD0 sensors are selected (the flags for these two sensors are in the same line that the leveling flags). PAS1 and PAD1 level flags corresponding to the next floor must be ignored. The controller includes a timer for that purpose. Its "Landing inhibit time" TINH must be configured to be longer that the time between the beginning of the slow-down and the passing at the next floor level and shorter than the time needed to reach the destination floor level. "Landing inhibit time" is about 2 seconds.

In the case that the distance between some adjacent floors is longer that the slow-down length a V2 floor to floor run is not needed. In such case there may be defined a "phantom floor" with the same designation that one of the adjacent floors, and the corresponding flags to this "phantom floor" must be installed: there is not going to be "floor-to-floor" run and the speed will be V3. Call inputs for this floor must be left unwired when wiring and all calls for this floor must be inhibited in the configuration.

System 2.51 may be used for one or two speed drives. The flag at floor level defines the final stop. To adjust up-leveling and down-leveling this flag must be of variable length. The flags next to the floor level define the change of the position and the beginning of the slow-down for two speed drives.

Slow-down length is less than half the distance between floors, an so this system may be used for speeds up to around 75m/m.

System 3.51 can be used for one speed drives only.

At the lowest end both flags are sensed and define position 0.

5.51 system is similar to 2.51 system, but flags at each floor are alternatively mounted as PAS and PAD.

There is no highest floor recognition.

There is not upper final flag, therefore initial trip direction is always downwards. There is not advanced information (flag) when reaching the lowest landing. The slow-down for the initial trip is defined only by the progressive slow-down switches in the hoistway.

For car velocities higher than 120m/m or when the distance between floors are unequal a different position detection system may be needed. In these cases the exact vertical layout must be known to design an appropriate routine or, otherwise, the SEL51FA position sensor, that works with encoder pulses or slot tape, may be used.

"Safety series" is to be understood as the logical series (AND) of safety switches, not necessarily series connected. The switches may drive secondary relays whose NC or NO contacts are wired so as to build-up the appropriate information.

The information input at the CEA51FA controller should be 24 Vdc ("1" or true state) or 0 Vdc ("0" or false state)

CEA51FA controller inputs state information about safety series, but it is not intended to be a part of the safety enforcing circuits. Security must be established by electromechanical circuits or any other means external to the CEA51FA. CEA51FA is not a supervised redundant equipment. It only recognizes safety state and reacts according to it.

These concepts are to be applied to limit switches, door contacts, retiring cam and associated contacts, progressive slow-down switches at hoistway end, low speed switches for advanced door opening, etc.

"Manual safety" is to be understood as an input to the controller that is going to be "1" (TRUE) only in the case that all switches and similar parts in the elevator system that need the action of a technician and/or user to be set or reset are in the state that allows controller action.

Included in this definition are, among others:

- stop button or stop switch in the car

- final hoistway limit switches (switches beyond normal travel)

- emergency door switches

- safety edges or other door protection switches

- governor switch

Contacts that are driven by automatic door operator or retiring cam are not included.

When SM=1 the controller may output orders to control doors, retiring cam, traction motor. The controller will react in some way if SM goes to 0 while the system is operating. According to the case it may output an alarm or failure code, open door, stop travel, close an alarm relay or a "busy" relay or similar action.

SM is an input information that the controller receives about actions and system state out of controller command.

SPC is to be understood as an input to the controller that is going to be "1" (TRUE) only in the case that all automatic doors are completely closed.

For a manual doors elevator with magnetic retiring cam SPC is wired with SM

"Automatic safety" is to be understood as an input to the controller that is going to be "1" (TRUE) only in the case that some selected switches and similar parts in the elevator under controller command are in the ordered state. The controller outputs an order and after a defined time interval TASS verifies the state of the associated input.

The wiring of these input varies according to the system. For instance, for an elevator with automatic doors and magnetic retiring cam that is commanded by a controller relay:

SPC =1 means that all automatic doors are completely closed.

SA =1 means that the action of the retiring cam is completed and the door is locked.

Signals SPC and SA may be wired together if the retiring cam is driven by the door operator.

For a manual doors elevator with magnetic retiring cam, where SPC is wired with SM, SA =1 means that the action of the retiring cam is completed and the door is locked.

In some cases SA may be derived from the brake command, or from an output signal in a VVVF drive. SA states that the orders from the controller have been executed. A wrong level at SA input provokes an alarm code and stops drive orders.

FPA is to be understood as an input to the controller that is going to be "0" (FALSE) only in the case that the automatic doors at the car and at the floor hall are completely open. The controller outputs the "open door" order and verifies that input pin FPA goes to "0" within a configured time TDOO.

When the hall door is manual FPA is exclusively related to the cabin door.

When an FPA switch is not available the input pin FPA may be wired to SPC and relay C/AP or relay A/CP must be used for door opening. The "Wait time" TWAI (time to wait with door open) must be increased to include the time needed for the opening action of the door operator.

When the cabin door operator drives both doors (cabin and hall) and the hall door has its own end of travel switch then FPA is the logical OR of cabin door and hall door end of travel switches. (the parallel of both switches is a possible wired implementation).

Three cases arise when the car has automatic doors in two entrances:

1- only one door opens at each floor. In this case the input signal FPA is the logical AND of the end of travel switches of both car doors "ored" with the logical AND of the end of travel switches of all hall doors (can be used a series circuit of both car switches in parallel with a series circuit of all hall switches)

2- there are floors where both doors open and close simultaneously. In this case the switches must be wired so that FPA goes to "0" only when both doors are completely open.

3- there is one floor (or more) where both doors open and close independently. For a complete solution of this case a duplication of the input signals (state and commands) associated to each door is required and a new input FPC signal (door completely closed) is needed for each door. This case is not covered in the user’s configuration software. May be ordered as an optional.

Note: "included" means logical inclusion.

Manual cabin and hall doors.

- Cabin closed door switch is included in SM circuit.

- Hall closed door switch (activated when the door is manually closed) is included in SM circuit.

- Hall door has a second switch that closes when the retiring cam acts. This switch is included in the SA circuit.

SM will be "1" when general, emergency and special switches and all doors are closed. SPC must be equal to SM. SA will be "1" when the whole system is ready to start. FPA is not used.

Manual hall door and automatic cabin door. Retiring cam actuated by door operator.

- Hall closed door switch (activated when the door is manually closed) is included in SM circuit.

- Cabin closed door switch is included in SPC circuit.

- Hall door has a second switch that closes when the retiring cam acts. This switch is included in the SPC circuit.

SM will be "1" when general, emergency and special switches and all hall doors are closed. SPC will be "1" when the whole system is ready to start. SA must be equal to SPC.

Manual hall door and automatic cabin door. Retiring cam actuated by independent coil.

- Hall closed door switch (activated when the door is manually closed) is included in SM circuit.

- Cabin closed door switch is included in SPC circuit.

- Hall door has a second switch that closes when the retiring cam acts. This switch is included in the SA circuit.

SM will be "1" when general, emergency and special switches and all hall doors are closed. SPC will be "1" when cabin door is closed. SA will be "1" when the whole system is ready to start.

Hall and cabin doors actuated by motor operator. Retiring cam actuated by door operator.

- Hall closed door switch is included in SPC circuit.

- Cabin closed door switch is included in SPC circuit.

- Hall door has a second switch that closes when the retiring cam acts. This switch is included in the SPC circuit.

SM will be "1" when general, emergency and special switches are closed. SPC will be "1" when the whole system is ready to start. SA must be equal to SPC.

Hall and cabin doors actuated by motor operator. Retiring cam actuated by independent coil.

- Hall closed door switch is included in SPC circuit.

- Cabin closed door switch is included in SPC circuit.

- Hall door has a second switch that closes when the retiring cam acts. This switch is included in the SA circuit.

SM will be "1" when general, emergency and special switches are closed. SPC will be "1" when cabin and hall doors are closed. SA will be "1" when the whole system is ready to start.

CEA51FA includes a passive input filter and an input software filter to verify a call. A small delay due to these filters is introduced. A very short action on the button is not recognized.

Controller software verifies call button state. CEA51FA ignores any call button closed for a time interval longer than 25 seconds. Normal state is restored when call button opens.

Any call button can be permanently masked when configuring the controller or through some T51FA

Handheld Auxiliary Terminal commands.

Two CEA51FA controllers linked by their fiber optic serial ports implement a duplex system. One of the controllers acts as master, that is car controller and dispatch controller. The other one is the slave controller.

Hall calls input the system via the master controller and are directed to one of the cars. The corresponding controller outputs the call recognition command.

Two cases arise when wiring hall calls:

1- there is only one button for each directional hall call (one for up call and another one for down call). When the system is working with both controllers as a duplex system calls are input only by the master controller. Each call must be wired to the inputs of both controllers to receive a call in the case that anyone of the controllers is off. "Not independent hall calls" must be selected when configuring car controllers.

The same case arises when two hall call buttons for each call (one for each hoistway) are wired in parallel.

2- there are two buttons for each directional hall call (two for up call and two for down call). When the system is working with both controllers as a duplex system calls are input by the master controller or by the slave controller. Calls received by the slave controller are transmitted to the master controller, which assigns the call to one of the controllers. The corresponding controller is the only one that outputs the call recognition command. This lamp shows which car accepted the call. "Independent hall calls" must be selected when configuring car controllers.

Local or remote supervisor PC can inhibit any call, including cabin calls. This condition is saved at the PC and in the RAM at the master controller.

COO51FA supervisor unit includes seven FO ports, one RS232 port and one RS422 port. COO51FA manages hall calls, cabin calls and assigns stations for 6 car groups.

Two cases arise when wiring hall calls:

1- there is only one button for each directional hall call (one for up call and another one for down call). Calls are input to the system in a CEA51FA controller configured as "Hall Calls Input Controller". Calls are transmitted to the COO51FA through FO port. COO51FA analyzes each call and accepts or rejects the call (calls may be inhibited from PC supervisor). Each accepted hall call is transmitted to the "Hall Calls Input Controller" to command call recognition lamp. "Not independent hall calls" must be selected when configuring car controllers.

The same case arises when several hall call buttons for each call (one for each hoistway) are wired in parallel.

2- there are two buttons for each directional hall call and for each hoistway (one for up call and one for down call). Hall calls are input at each car controller. Calls are transmitted to the COO51FA, which assigns the call to one of the controllers. The corresponding controller is the only one that outputs the call recognition command. This lamp shows which car accepted the call. "Independent hall calls" must be selected when configuring the controllers. There is no need for a "Hall Calls Input Controller". Hall calls will be accepted even in the case that the link to the COO51FA is lost.

CEA51FA has 10 output relays. Each one (R1 to R10) can be configured to any listed relay function. EXP51FA adds 8 relays. Each one (R11 to R18) can be configured to any listed relay function.

Two relays can be also driven by RAU1 and RAU2 output pins (CMOS outputs with 6K8 series resistor and an appropriate circuit). These output pins can be configured as Aux. 1 and Aux. 2 to any listed relay function.

Two relays can be also driven by RAU3 and RAU4 output pins (open collector outputs, 24 Vdc 80 mA). These output pins can be configured as Aux. 3 and Aux. 4 to any listed relay function. These two outputs cannot be used if 14 segment alphanumeric digital position indicators have been chosen. RAU4 cannot be used if the pin is used to transmit the output code for serial position indicators IND2DxxMM-3H.

Relay functions are listed in the Relay Code Definition Table. A wide selection of useful functions is offered. Several common applications are shown.

There are three output pins for each relay: COMMON, NC and NA.

Some relays are associated to timer functions. Time definitions are listed in the Timer Definition Table.

To enter the system in this operation 24Vdc (or 0Vdc, according to the configured logic) must be applied at the MAN input pin. Then:

- ABR input commands the door operator

- the first (lowest) car call commands down inspection run.

- the second car call commands up inspection run.

Pins PC1 and PC2 input a code associated to three car load states, as shown:

PC2 PC1 Car Load State % of nominal load usually found

0 1 Light load <15

1 0 Full load >80

1 1 Overload >110

Light load : car calls are accepted up to a configurable limit.

Full load : CEA51FA does not accept hall calls. This condition is transmitted to the supervisor.

Overload : the car does not start. This condition is transmitted to the supervisor.

CEA51FA checks for phase loss or phase reversal, giving an alarm code if an error condition occurs.

Line supervision is inactive if SF1, SF2 and SF3 are not wired.

A PTC resistor (or a series of several PTC resistors) can be wired from ALT input to 0V to monitor motor winding temperature.

Total resistance < 400 ohm is understood as a correct temperature condition. CEA51FA inhibits any new car travel if total resistance > 1.5 Kohm. An alarm code is displayed.

For other resistance values external resistors may be wired from ALT to +24 or to 0V.

CEA51FA can be configured to drive 2 digits, 7 or 14 (16) segment position indicators. Output pins are open collector darlington transistors (24 Vdc, 80 mA). Expansion cards are offered for higher current and/or higher voltages.

When configured as "0" (No action) CEA51FA RAU4 output pin transmits a serial code to "three wire" position indicators. The signal input pin at the indicators is directly wired to the output pin RAU4 at the CEA51FA.

One line drives all car and hall IND2DxxMM-3H position indicators in parallel.

When configured as "0" (No action) CEA51FA RAU3 output pin transmits a serial code to "three wire" indicator lamps drive and gong generator LINGO-3H. The signal input pin at this card is directly wired to the output pin RAU3 at the CEA51FA.

One line drives all car and hall LINGO-3H in parallel.

Internal jumpers program each card to accept some codes. There is a code for each hall and a code for the car.

The action of the card depends upon the auxiliary output configuration. See LINGO-3H data sheet.

CEA51FA TTL port transmits a serial code to IML2D50L dynamic position indicators (TTL port transmits string commands to IML2D50L position indicators and to AV51FA voice annunciator). An interface circuit is needed, such as ACTTL/232-DIN or the more economical CPTTL/ACC communications adapter. There is not output command if the TTL port has been configured to communicate with a supervisory PC.

Dynamic position indicator shows position, alarm and state codes. The displayed indication moves upwards or downwards to simulate car movement.

IML2D50L includes a circuit to drive a landing chime or a passing chime loudspeaker. Internal jumpers program each position indicator to accept some codes. There is a code for each hall and a code for the car. One series line drives all car and hall IML2D50L position indicators in parallel.

CEA51FA TTL port transmits a serial code to AV51FA voice annunciator (TTL port transmits string commands to AV51FA and to IML2D50L position indicators). An interface circuit is needed, such as ACTTL-TX communications adapter.

CEA51FA can be configured to transmit a standard code for the standard programmed AV51FA message ROM or a dedicated code for an user programmed AV51FA message ROM.

AV51FA-PCW software for PC is a message recorder for AV51FA voice annunciator. Voice messages are recorded, edited and linked at user’s will and a message.hex file is created. A 27C040-120 ROM must be loaded with this file.

If configured to transmit standard code CEA51FA recognizes each configured floor designation and outputs the appropriate code to AV51FA.

If configured to transmit dedicated code CEA51FA transmits a binary position code to AV51FA.

CEA51FA can be configured to output one of eight special codes through these pins. Codes 1 to 4 are 4 bit address with 2 bit enable. Codes 5 to 8 are 5 bit address with 1 bit enable.

SAU1 to SAU6 output pins command expansion cards that drive:

• linear multi-light position indicator (one lamp drive for each floor). Codes 1 and 5, lamps always on.
• linear multi-light position indicator (one lamp drive for each floor). Codes 2 and 6, lamps go off when the system is in rest state.
• "car leveled at this floor" lamps. Codes 3 and 7.
• hall lantern lamps. Codes 4 and 8.

SPECIFICATIONS

Intel 87C51 or similar

32 kbyte ROM

32 kbyte SRAM

512 byte EAROM

48 Digital input/output Pins ES1 to ES48 (1)

0 V Active Inputs

Input load: 10 Kohm to +24 Vdc

Input current: -2.4 mA

"0" threshold: 17 Vdc

"1" threshold: 8 Vdc

Software Filter: 200 ms

Open Collector Outputs

NPN darlington, emitter to 0 Vdc, 330 ohm series resistor

Maximum ratings: 80 mA, 30 Vdc

16 Digital Inputs EAU1 to EAU16 (1)

24 Vdc active inputs

Input load: 10 Kohm to 0 Vdc

Input current: 2.4 mA

"0" threshold: 8 Vdc

"1" threshold: 17 Vdc

Software Filter: 20 ms

Input indicator: Led (EAU1 to EAU8)

AC Line Supervision: SF1, SF2, SF3 (1)

5 Vdc active inputs

Input load: 10 Kohm to 0 Vdc

Input current: 0.5 mA

"0" threshold: 1.5 Vdc

"1" threshold: 3.5 Vdc

Position sensor inputs: PAS, PAD (1)

24 Vdc active inputs

Input load: 10 Kohm to 0 Vdc

Input current: 2.4 mA

"0" threshold: 8 Vdc

"1" threshold: 17 Vdc

Input indicator: Led

Motor temperature sensor: ALT (1)

0 Vdc active input

Input load: 8.2 Kohm to 24 Vdc

Input current: -2.9 mA

OK threshold: R(PTC)<400 ohm

Alarm threshold: R(PTC)>1.5 Kohm

Input indicator: Led

16 Dedicated Outputs SA1 to SA16 (1)

NPN darlington, emitter to 0 Vdc, 330 ohm series resistor

Maximum ratings: 80 mA, 30 Vdc

8 Auxiliary Outputs SAU1 to SAU8 (1)

0/5 Vdc HCMOS outputs, 6.8 Kohm series resistor

10 Output Relays R1 to R10 (NA, COMMON, NC) (2)

Maximum ratings: 2 A @ 250 V ac

Indicator: Led

TTL Serial Port

Used pins: RX, TX

Flat cable header connector

Optical Fiber Serial Port

1 mm plastic optical fiber connectors, RX, TX

Indicators: Led

Power Supply MA, CA1, CA2, CA3 (1)

Voltage: 24 Vdc or 2x20 Vac, 50/60 Hz or 3x20 Vac, 50/60 Hz

Maximum power input: 20 VA

Indicator: Led

48 Digital input/output Pins ES49 to ES96 (1)

0 V Active Inputs

Input load: 10 Kohm to +24 Vdc

Input current: -2.4 mA

"0" threshold: 17 Vdc

"1" threshold: 8 Vdc

Software Filter: 200 ms

Open Collector Outputs

NPN darlington, emitter to 0 Vdc, 330 ohm series resistor

Maximum ratings: 80 mA, 30 Vdc

8 Output Relays R11 to R18 (NA, COMMON, NC) (2)

Maximum ratings: 2 A @ 250 Vac

Indicator: Led

RS422 (RS485) Isolated Serial Port

Used pins: A, A’, B, B’

DB9P connector

Indicators: Bicolor Led

Power Supply CAAC (common), CAA1, CAA2 (1)

Voltage: 2x8.5 to 2x12 Vac, 50/60 Hz

Maximum power input: 2 VA

RS232 Serial Port

Used pins: RX, TX ,MA

DB9S connector

Indicators: Bicolor Led

Power Supply MA, CAE1, CAE2 (1)

Voltage: 2x20 Vac, 50/60 Hz

Maximum power input: 10 VA

Indicator: Led

(1) Terminal strip with screw connection and wire protection, 14-26 AWG, 100 V, 1 A.

(2) Terminal strip with screw connection and wire protection, 14-26 AWG, 250 V, 2 A.

Dimensions: 325 mm * 262 mm base, 47 mm height (76 mm with expansion board mounted)

Weight: 1250 g (1750 g with expansion board mounted)

Cabinet: Aluminum

MA 0V dc or neutral of secondary transformer winding

CA1, CA2, (CA3) +24 Vdc or end points of secondary transformer winding: 20+20(+20) Vac

Up calls

Down calls

Car calls

Position Sensors

EXS upper end

EXD lower end

PAS up counting and leveling

PAD down counting and leveling

APAS auxiliary up counting (when using EFAV51FA expansion card)

APAD auxiliary down counting (when using EFAV51FA expansion card)

PN up/down counting and leveling (2.51 and 3.51 position detection systems only)

SA Automatic safety

SM Manual safety

SPC Completely closed door

FPA Completely open door

ABR "open door" push-button, door leading edge switch, door infrared sensor

CER "close door" push-button

PC1, PC2

MAN Inspection switch.

While in inspection operation:

First car call: down run

Second car call: up run

ABR: opens door

CER closes door

ASC Attendant switch

PRS closes door and starts up run. Non-stop switch for up travel.

PRD closes door and starts down run. Non-stop switch for down travel.

IND Independent service switch

EME Special emergency service switch

EME=1, IND=0: phase I

EME=1, IND=1: goes from phase I to phase II

For EME=1, MAN=0: first emergency station

For EME=1, MAN=1: alternate emergency station

ALT Motor temperature sensor

A, B, ..., G 7 segment led display position indicator drivers (two sets)

A, B, ..., G1, G2, ..., M 14 (16) segment led display position indicator multiplexed drives

MIU least significant digit drive for 14 (16) segment led display position indicators

MID most significant digit drive for 14 (16) segment led display position indicators

SAU1 - SAU8 auxiliary outputs

+24 +24 Vdc power supply for local accessories

0V 0 Vdc power supply for local accessories

NA normally open contact

C common

NC normally closed contact

RXO input connector

SF1, SF2, SF3 line sensors

A simple case is presented to illustrate the care that must be followed when wiring the system.

The power from the public mains inputs the system by three line wires L1, L2 and L3 and eventually a neutral wire N, that are wired to the primary windings of the transformers only. Illumination, blower or other loads are not considered in this discussion.

A different conductor G is wired from the ground discharge of the site to GND ( the GND screw in the cabinet), and is distributed to ground all metallic parts for operators and users protection. Different and well identified conductors must be used for this purpose. In no case this protective wiring shell be used as a conductor for other purposes, even if it is known that the supplier grounds the neutral.

The whole system includes a high power section for the main motor (including eventually VVVF drive or similar), the brake, the retiring cam, the door operator and a low power section for the electronics, including the CEA51FA controller, 24Vdc power supply, indicators, register lamps, etc. The transformers for each of these two sections must be independents. Several windings in the same nucleus are not recommended, even in the case that isolation means be provided. Secondary windings provide AC and DC power to the loads. The secondary sides of the high power and the low power sections are "isolated" (except for the ground reference, see below). That means that high power and low power paths are different. A current of the "high power side" cannot use a "low power side" wire, and viceversa.

Both sides must be referenced to ground. Then a conductor is wired from the reference (negative, low side, etc.) of the high power section to GND and a different conductor is wired from the reference (negative, low side, etc.) of the low power stein to GND. These conductors must be designed two assert that an accidental grounding of any other part of the circuits causes the opening of the protection switches or fuses. The controller reference is electrically connected to its metallic base, but the reference wire must be wired equally.

Some information is needed between both sections. For that purpose relays and optocouplers must be used, so that there is no galvanic path between both sides.

There is electrostatic interaction also, due to high voltage step transitions. Some care must be taken to ascertain that this interaction is reduced to acceptable levels, such as arc suppressors and, in some cases, electrostatic shielding. When using VVVF drives and other switching power devices the supplier instructions must be followed. When long data low level lines are used (PC supervisor, modem, etc) shielded cables are used and the shield must be connected to the controller reference side only.

Arc suppressors must be wired to protect relay contacts and to eliminate electromagnetic interference to the controllers, power drives, associated electronic equipment and any other electronic parts located near the control panel and hoistway wiring.

Arc suppressors must be used for all system components that could produce such interference, such as contactor coils, auxiliary relay coils, retiring cam coil, brake coil, lengthy cables. They must be wired in parallel with the component that originates the problem, that is where energy is stored.

Arc suppressors must be installed even for loads that are driven by secondary relays, limit switches or any other means different from CEA51FA controller relays.

Usually an arc suppressor is a RC series circuit. R and C values depend on the application.

R value range is from 15 ohm to 100 ohm. It should be a wire resistor, 3W to 5W, due to current peaks.

C value range is from .1µF to 3.3 µF. Voltage rating should be twice the working voltage, due to voltage overshoot.

Flywheel diodes should be used for DC loads such as retiring cam coils and brake coils. A diode-resistor series may be needed in some cases to prevent a delayed mechanical response when driving is interrupted.

Suppressors in parallel with the door operator motor may be needed when this motor is driven by small open relays.

A metal-oxide varistor and/or a parallel resistor for DC loads may be useful to limit voltage peaks. Resistor value should be 3 to 5 times the load resistance value.

The code assigned to each relay defines its action. The description assumes a relay. All functions are also valid for SA8, SA16, SAU7 and SAU8 auxiliary outputs.

Travel time TTRA

CEA51FA supervises time intervals between changing position flags. A failure condition is detected when any of those intervals is greater than a configured maximum "Travel time" time interval. All run orders are switched off and a F1 alarm code is displayed. The only way to exit this failure condition is to switch off the controller. Not applied if defined =0.

SM alarm TALA

A failure condition is detected when SM=0 for a time interval greater than a configured maximum "SM Alarm Time" time interval. Alarm code is a flickering position at the digital indicator. Not applied if defined =0.

Attendant buzzer TBUZ

Attendant buzzer relay is closed for 1 second each ten seconds if the car is in attendant service and car or hall calls are pending for a time interval greater than "Landing chime time".

Wait time TWAI

A car that reaches a floor waits "Wait time" seconds after the door is completely open. After this wait time interval the door may be closed to start a new run. Wait time is extended by SM=0 condition, ABR button operation, door protection, hall call button, etc. Pushing CER button zeroes wait time.

Time to rest state TFRE

A car that remains without demand for a time interval longer than this time enters "free state". Then it can be directed to a station and/or door state can be ordered.

High speed start time TAUH

High speed run auxiliary functions.

Low speed start time TAUL

Low speed run auxiliary functions.

Landing inhibit TINH

Auxiliary time for position detector system 1.51

Start time TAUX

Start time for one speed AC motors and others. This time is also used to inhibit simultaneous start of different cars in a group.

Car passenger time TCAR

When a car arrives to a floor to serve a hall call and there are no other calls in the requested direction then the controller waits for the incoming passenger car call for a "Car passenger time" interval. Once elapsed, run direction program may be eventually inverted.

To rest at first floor TLOW

A car that remains without demand for a time interval longer than "Time to rest at first floor" enters "stand-by state". A car in this state is directed to the lowest floor level. This routine is used for some hydraulic elevators. Not applied if defined =0.

Delayed stop DDIR

Some directional commands and other relays are switched off a "Delayed stop" time interval after the last level flag is detected. This time is used in VV, VVVF, DC drives and hydraulic elevators. May be used to maintain directional command once enable command is off. Power drive levels and stops the car during this time. May be used to force a final length travel so that position sensors do not stay near the edge of the flag when the car is stopped. Delayed stop is suggested when leveling speed is very low.

Delayed enable DPOT

Some potential relays are switched off a "Delayed enable" time interval after the last level flag is detected. This time is used in VV, VVVF, DC drives and hydraulic elevators. Power drive levels and stops the car during this time.

Star/Delta TSTA

Start time for DC generator motor and hydraulic pump.

Landing chime TCHI

Length of the landing chime relay action .

DC generator TGEN

CEA51FA switches off a DC generator that remains without demand for a time interval longer than "Generator time". If this time is configured =0 then DC generator won’t be switched of.

Delayed door DDOO

Open door action may be delayed a "Delayed door" time interval after the last level flag is detected. This time is used in VV, VVVF, DC drives and hydraulic elevators. Power drive levels and stops the car during this time.

Door action TDOO

CEA51FA supervises door operation. Door operation is interrupted (and eventually reverted) if a time interval "Door action time" is exceeded while closing or opening the door. Intended action is tried again a configurable number of retrials. Then door operation is interrupted and an alarm code displayed.

SA time TASS

CEA51FA supervises the time elapsed since the command to the retracting cam to SA=1. If this time is exceeded the operation is interrupted and an alarm code displayed.

Nudging time TNUD

Alarm codes:

Least significant digit at the indicator exhibits alternatively "F" and the code, once a second.

Code Meaning

1 Floor travel time exceeded while running

3 SM=0 while running

4 Door close failure

5 Door open failure

6 SA = 0 while running

7 EXS = EXD = 1 simultaneously

8 High winding temperature

a ABR applied for a time longer than SM Alarm Time

H SA= while landing

L Phase loss or phase reversal

P Controller lacks configuration

U 93C66 socket is empty

M Floor travel time exceeded while landing (M is shown as an inverted U)

E SPC=1 and FPA=0 appear simultaneously (not applied if releveling or advanced door opening are configured)

State codes:

A System start

Flickering A System start (if SM=0)

E and position, alternatively Special emergency service

Flickering C Inspection service, unknown position

C and position, alternatively Inspection service, known position

Flickering position SM=0 or ABR=1 for a time interval > "SM Alarm Time"

State codes in mode "two digits":

Flickering PA System start (if SM=0)

PA alternates with position SM=0 for a time interval > "SM Alarm Time"

CO alternates with position Full load

SC alternates with position Overload

Flickering alarm codes:

VA Floor travel time exceeded while running

Position SM=0 for a time interval > "SM Alarm Time"

SM SM=0 while running.

NC Door close failure

NA Door open failure

SA SA = 0 while running

EX EXS = EXD = 1 simultaneously

AT High winding temperature

Pt ABR=1 for a time interval > "SM Alarm Time"

SP SA = 0 while landing

FF Phase loss or phase reversal

FP Controller lacks configuration

FM 93C66 socket is empty

VB Floor travel time exceeded while landing (M is shown as an inverted U)

LP SPC=1 and FPA=0 appear simultaneously (not applied if releveling or advanced door opening are configured)

State codes:

AR System start

Flickering AR System start (if SM=0)

E and position, alternatively Special emergency service

Flickering C Inspection service, unknown position

C and position, alternatively Inspection service, known position

CEA51FA saves special events in a non-volatile EAROM memory area. Last 50 events are stored in a LIFO ordered file. This file can be read at the PC monitor using the PC configuration software or at T51FA

Handheld Auxiliary Terminal quartz crystal display.

Each line in the file contains the sequential line number, the landing where the event was recorded, the code of the event and a brief description.

Code Description

TH Time between flags too long when running

SF Manual safety fails (SM =0) for a time longer than TALA

MF Manual safety goes to 0 while car is running

DC Close door failure

DO Open door failure

AF Automatic safety failure

EX Upper and lower end flags are detected simultaneously

HT Motor temperature failure

NC Group communication fail

OB Open door button: ABR=1 for a time interval > "SM Alarm Time"

AL Automatic safety SA = 0 while landing

PF Phase loss or phase reversal failure

CF TConfiguration failure: the controller is not configured

ST Power is applied to the controller

CC Configuration has changed

EE Events file is cleared

TE Time between inspections is cleared

CE Configuration is cleared

CO Access code is changed

cb Defective car call button

ub Defective up hall call button

db Defective down hall call button

SE 93C66 socket is empty

EI Events file is initialized

TL Floor travel time exceeded while landing

DL Door limits: SA=1 while FPA=0

PC configuration software offers different windows that show the parameters to be defined. Windows 98 or better is needed. An interfase cable such as CPTTL/PC is connected from the TTL port of the controller to a COMi RS232 port at the PC. Run the configuration software and select the appropriate port the sheet "Communications/Options".

This software offers successive windows to select the desired parameters. A new file can be opened, the series number given, every parameter defined and finally saved and also transmitted to the controller.

The parameters that can be defined are:

• logo to appear at the printed label (two 15 character rows)
• number of cars in the group:

• with or without hall calls controller (for a group)
• common/independent hall calls (for duplex and group)
• duplex/interconnected logic for group system. Interconnected logic needs independent hall calls.
• simple automatic, collective, collective down selective, collective full selective.

• code to access and modify the configuration and to clear the time accumulator between inspections
• maximum time period and time tolerance between inspections (0 to 120 days each)

• initial trip direction: downward or upward.
• special codes mode at the 7/14 segment position indicators

• positive or negative logic level for the position binary code in the auxiliary outputs SIPi
• positive or negative logic level for inspection service and door open commands

• underload rejection number: when the load sensor indicates low load (PC1=1, PC2=0) the controller accepts no more car calls than the configured number.

• 7 or 14 segments position indicators
• auxiliary parameters for special cases

This port has a dual row 10 pin header connector.

MS (mode selection)

TX (transmission)

MA (common)

RX (reception)

+5V

Pin 1 (mode selection) must be wired to Pin 4 (MA) when the port is used to transmit to IML2D50L dynamic position indicator, AV51FA voice annunciator or PC supervisor.

Pin 1 is left open when the port is used to link a PC to configure the controller.

This port is located at the EXP51FA expansion card. It has a DB9S connector.

This port is not isolated.

TX (transmission)

RX (reception)

MA (common)

This port is located at the EXP51FA expansion card. It has a DB9P connector.

This port is isolated and a separate AC power input is needed, as indicated at the specifications.

1 A (+ transmission)

2 B (- transmission)

3 A’ (+ reception)

4 B’ (- reception)

A shielded cable with two twisted pair. The shield of the cable must be wired only to pin CAAC at the power input terminal strip of the RS422 port.

A 1 mm diameter plastic fiber optic cable is used to communicate master to slave controllers or slave controllers to COO51FA supervisor. Fiber must be carefully cut with a blade, and inserted in the quick-fix connector without stripping.

T51FA is a useful tool for installation and maintenance people working with the CEA51FA family.

T51FA connects directly to a port in the controller and displays all the configuration parameters, logged events and counters. Some parameters may be changed by simple orders at the T51FA keyboard. This is particularly convenient to define operational time parameters when installing the controller or to modify accessibility options for user convenience.

It is used to reset the accumulator of time between inspections, as above said.

NOTE: major changes at the installation site should be done using the configuration software CEA51FA-PCW running in a laptop PC, or else unskilled personnel can be instructed to take out of the socket the CEA51FA parameters memory (93LC66) and reinstall another one previously configured at the company’s engineering offices.

T51FA is a modified QTERM-J10 terminal from QSI Corp., 24 keys, EIA232 version, modified for TTL interfase. It connects directly to the TTL port at the CEA51FA. 5Vdc power supply is present at the port.

Push 1 key. The display shows:

- controller model

- software version

- series number

- car number

- car speed

- system identification

Push 2 key. The display shows:

- number of landings

- function (isolated, slave, master)

- operation (type of dispatch)

- rest station

- emergency station

- principal and secondary stations (only for master)

- position detection system

Push 3 key. The display shows:

- door type and, if automatic:

- door state when resting

- door zone

- door delay

Push 4 key. The display shows the designation of the landings.

Push 5 key. The display shows the numeric code of each relay at the base card.

Push 6 key. The display shows the numeric code of each relay at the expansion card and the auxiliary relays code.

Push 7 key. The display shows the numeric code of each auxiliary relay, the total count of operations, the total time in operation and the accumulator of time between inspections.

Push 8 key. The display shows door selection for each landing.

Push 9 key. The display shows:

- releveling condition

- supervisory port

- code for digital indicators

- mode and code for auxiliary outputs

Push 0 key. The display shows the call state, the call rejection state for isolated operation and the call rejection satete for group operation, for the first landing. Each landing condition can be accessed and viewed pushing ­ (up) or ¯ (down) keys.

Push F1 key. The display shows the code and the configurated value for the first timing. Each timing can be accessed and viewed pushing F1 (up) or F2 (down) keys.

Push F4 key. The display shows:

LOL lowest landing

HIL highest landing

ADV advanced door-open (0/1: normal/advanced)

PSD door rest state at duplex principal station (0/1: open/closed)

SSD door rest state at duplex secondary station (0/1: open/closed)

DCT number of door-close trials

DOT number of door-open trials

ACT 0/1: inputs "Open door" and "Inspection" are active at 24/0V

CML number of accepted car calls at minimum load

FCC number of false car calls

FDO forced door-open (0/1: opens if call/opens always)

When the display shows a timer its time definition can be changed pushing ­ or ¯ keys.

When the display shows the state of the calls and the call rejection state for a landing:

- up, down or car call can be entered pressing 1, 2 or 3

- call rejection state for up, down or car call in isolated operation can be switched pressing 4, 5 or 6

- call rejection state for up, down or car call in group operation can be switched pressing 7, 8 or 9

The changes are operational once entered, but they are not saved to the parameters memory.

To save all changes: push ENTER key. The controller will restart.

To quit without saving: push any 1 to 9 key or restart the controller.

Push F3 key. The display shows the last registered event. Each event at the list can be accessed and viewed pushing ­ (up) or ¯ (down) keys. Four lines are shown at a time.

Each event is shown in a single line, as follows:

- event index (1 to 50, 1 is the newest)

- event code (see table)

- car position at that time

To erase the whole list that is being accessed push ENTER key. The display shows

T51FA parameters according to the specific needs are factory loaded:

- auto wrap off

- auto scroll off

- auto line feed off

- cursor off

- power-on setup: only contrast adjust

To perform the Power-on Setup follow these steps:

- hold down ENTER key and connect the T51FA to the TTL port at the CEA51FA.

- keep the key pressed until the software version appears at the display.

- set the desired display contrast using the 1 (up) or 2 (down) keys. When the display is at a contrast you like, press the 3 (validate) key