Dn - Down Relay Output; Do - Door Open Relay Output; Dob - Door Open Button Input - ECD 100-194 EN81 Manual

I N P U T S – O U T P U T S
DO
COMMAND
DID INPUTS
DFC AND LRX
CHANGE
STATE?
YES
DID
DFO INPUT
CHANGE
STATE?
YES
DOOR OPEN
SEQUENCE COMPLETE.
DOOR CLOSE TIMING
COMMENCES

DN - DowN relay output

DN relay output contacts used to control down direction operation.
See also Section 6: Motion, for more on the relay operation

DO - Door Open relay output

Door Open relay output contacts used to control door opening operation
See also DFO Input.

DOB - Door Open Button input

DOB input turns off when the door open button is pressed unless inverted with CNT setting..
The door open button is used to open the doors at floor level. (DZ on)
When DOB input is off for extended periods (doors being held open on normal operation) and there is demand
DID
DFC INPUT
NO
CHANGE
STATE?
YES
WAIT 25 SECS.
OS OUTPUT ON.
DROP DO RELAY,
LCD = DOPfail
WAIT "x" SECS.
DC RELAY PULLS IN.
WHEN DFC INPUT
CHANGES, AS PER DOORS
FULLY CLOSED,
LCD = NOR IDL
NO
WAIT 25 SECS.
OS OUTPUT ON.
DROP DO RELAY,
LCD = DOPfail
WAIT "x" SECS.
DC RELAY PULLS IN.
WHEN INPUTS DFC AND
LRX CHANGE, AS PER
DOORS FULLY CLOSED,
LCD = NOR IDL
DID
LRX INPUT
NO
CHANGE
STATE?
YES
WAIT 25 SECS
OS OUTPUT ON
DROP DO RELAY,
LCD = DOPfail
WAIT "x" SECS.
DC RELAY PULLS IN.
WHEN LRX INPUT
CHANGES, AS PER DOORS
FULLY CLOSED,
LCD = NOR IDL
"x" secs is variable between 3 and 12 seconds
depending on board, software
and input switching configurations.
Nb: On earlier software versions, the
DOPfail delay time is set to 15 secs.
36
WAIT 25 SECS.
OS OUTPUT ON.
NO
DROP DO RELAY,
LCD = DOPfail
WAIT 5 SECS.
LCD = NOR IDL