Com. Module provides two individual ports, Com 1
and Com. 2 via a 4 pin pluggable connector (Com 2 is
disabled in this system).
Each port can be set as RS485 or RS232 as shown
below.
There is a Termination Jumper for RS485. This jumper
should be short ONLY for END NODE (last unit in
network).
Communication Module (Com. Module) - optional:
Com 1
APEX Automation Solutions
Com. Module
12
3
12
3
12
3
12
3
Com 2
Com 1
APEX Automation Solutions
Com. Module
12
3
12
3
12
3
12
3
Com 2
Termination Jumper:
Must be close just for END NODE
RS485 Setting
RS232 Setting
Com 1
Com 2
AIS750 Series Annunciators
(15)
1
2
3
4
2 wire + GND RS485 Connections
RS232 Connections
1
2
3
4
RX
TX
GND
2 wire RS485 Connections
1
2
3
4
(D2)
(D1)
(GND)
1
2
3
4
D-
D+
SG
(D2)
(D1)
D-
D+
For serial communciation wiring,
see pages 21, 22
