Spare Input and Spare Output Tables
Manual # 42-02-1P28 A3 5-33
CDBO
From OFF position of switch used to bypass car doors. Used for monitoring switch. Car Door
Bypass Off @ MOTION DIAG > MOTION Inputs Car Door Bypass OFF input from switch on
CPU
CDBOB
From OFF position of switch used to bypass car doors. Used for monitoring switch. Car Door
Bypass OFF B input from switch on CPU, NOT Output. Car Door Bypass Output B @ MOTION
DIAG > MOTION Inputs and also PLD DIAG > PLD Inputs
CGED Car Gong Enable Down output. Where digital PIs are missing, used to enable gongs
CGEU Car Gong Enable Up output. Where digital PIs are missing, used to enable gongs
COS-Timer Car Out of Service timer @ CONFIG 01 > SYSTEM TIMERS
CP Car Operating Panel in cab of elevator
CT Top of elevator cab that includes car top inspection station, door operator, selector. etc.
CTEN
Part of car top inspection station that enables car top direction buttons (button > signal) @
PLD DIAG > PLD Flags, Flag label CTEN.P
CTPR Cartop power control output located on SC-UPD J3
CTST
Capture for Test (pretest) switch input on HC-MPU-2-TS board, waits for existing car calls to
empty out. When activated, hall calls are no longer dispatched. Once car calls have been
serviced, the car waits with doors closed expecting TEST operation to be initiated
CYCTST
Cycle Test @ MOTION DIAG > MOTION Inputs and MOTION outputs, indicates end of run
cycle test active. Certain critical circuits must be exercised after every operating cycle. We
call this logic cycle testing
DCB
When programed to do so, activating this input should close doors that are open. Door Close
Button @ System IO > Programmed Inputs
DCF
The DCF output is asserted to pick up the Door Close relay and close the doors. Down Call
Front @ CAR DIAG > CAR Flags, various, DCF AT PRESS DCF BELW PRESS, etc. Door Close
Function @ SYSTEM DIAG > Door Control
DCL
When doors are fully closed this input should be at zero volts. (low) Door Close Limit @ SYS-
TEM DIAG > Door Control
DETS
This limit switch is required to slow down the elevator in a manner that will prevent the car/
counterweight from striking the reduced-stroke buffer at or below rated buffer speed. Down
Emergency Terminal Switch @ SYSTEM DIAG > Landing System
DFLT
A signal that informs the controller that the drive has failed. Drive Fault input to controller @
System IO > System Inputs
DLAB
Bottom door lock that will be bypassed during bottom floor hoistway access operation. Door
Lock Access Bottom @ System IO > System Inputs
DLAT
Top floor door lock that will be bypassed during top floor hoistway access operation. Door
Lock Access Top @ System IO > System Inputs
DLK
DLK will be active when both car and hoistway door locks are made. Door Lock @ PLD DIAG/
PLD Flags, see HDLK (Hall), GDLK(GATE) and on OBD - LOCKS
DLM
Engaged when the car enters the leveling zone 6” above floor level. Down Level Marker @
System IO > System Inputs
DLMS
When intermediate door locks are made, DLMS will be active (high). Door Lock Middle String
@ PLD DIAG > PLD Inputs
DOB
Activating DOB when the car is floor level will cause the doors to open when on normal auto-
matic operation. Door Open Button @ System IO > Programmed Inputs
DOF
This output is asserted to activate the door open relay that will cause the doors to open.
Door Open Function (signal) @ System IO > System Outputs
DOL
When the doors are fully open, the DOL limit will go low (0 volts). It is high otherwise. Door
Open Limit @ System IO > Programmed Inputs
DPM
Door Position Monitor limit switch input activates approximately 2” before door lock and is
used to monitor the lock condition of the doors. @ System IO > Programmed Inputs
Table 5.5 Acronym Descriptions and Memory Locations
Acronym Description and Memory Location
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