P2
L N
PSU board (located behind the
cardboard cover)
PB1
PB2
Backplane
NETWORK CARD IN SLOT P8
0V1 +VE1 -VE1 0V2 N/C +VE2 -VE2 N/C
LOOP CARD IN SLOT P8 (Loop 6)
L1 0V L2 0V
IO CARD IN SLOT P8
A 5V B 0V CTS Rx RTS TX
IO (RS232) CARD IN SLOT P7
N/C 0V CTS RX RTS TX
LOOP CARD IN SLOT P7 (Loop 5)
L1 0V L2 0V
LOOP 4
L1 0V L2 0V
LOOP 3
L1 0V L2 0V
LOOP 2
L1 0V L2 0V
LOOP 1
L1 0V L2 0V
RS485
A 5VB0V
RS232
TxCTSRxRTS
(WITH IO CARD IN SLOT P2 OF BACKPLANE)
P4
MA1+ MA1- MA2+ MA2-
Master alarm
P5
Clean C
NC C NO
P6
Auxiliary Relay 1
NCCNONCCNO
P7
Auxiliary Relay 2
NCCNONCCNO
P8
RS232 0V
0V 0V 0V 0V
P12
Terminal card
Quick release terminals
P2
P3
0V1 +VE1 -VE1 0V2
N/C N/C +VE2 -VE2
(WITH NETWORK CARD IN SLOT P2 OF BACKPLANE)
CTSRXRTSTX
CARD 4
RS232
CTSRXRTSTX
CARD 3
RS232
CTSRXRTSTX
CARD 2
RS232
CTSRXRTSTX
CARD 1
RS232
Terminals for Network node
These RS232 terminals
are for use with the RS232
wiring associated with IOC
fitted in Card slots 1 to 4.
0V
Terminals for Control panel
Terminals for Control panel and
Network node