FAAC 770 - XIB Board Diagnostic Table

RX
TRANSMITTER
PHOTOCELL
TX
TRANSMITTER
PHOTOCELL 1
TX
TRANSMITTER
PHOTOCELL 2
TX
DIAGNOSTIC TABLE
OFF SLOW FLASHING
(FLASH EVERY 5 secs.)
ON STEADY FAST FLASHING (FLASH EVERY 0.5 sec)
DL1 “XIB” board
malfunction
or no power
J3 OP terminal open
(missing jumper on the OP
input)
J3 OP terminal closed
(normal condition)
Error condition on the BUS
DL2 “XIB” board
malfunction
or no power
J3 CL terminal open
(loop detector active or not
connected)
J3 CL terminal closed
(loop detector in idle
condition)
CL
OP
BUS
BUS
BUS
N.C.
N.O.
COM
Detector
RX
XIB board connections and second opening safety
Interface
Encoder
Open Safety 2
Receiver
Open Safety 1
Receiver
CL
OP
BUS
BUS
BUS
N.C.
N.O.
COM
Detector
RX
XIB board connections and only one opening safety
Interface
Encoder
Open Safety
Receiver
Fig. A12a Fig. A13a
Fig. A12b Fig. A13b
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