Layout and example connections
Diagnostic LED6Grounding screw1
Hole for mounting screw2
3-pin terminal blocks for relay out-
puts
32-pin terminal block for external power
supply
5
24 V DC
50
51
52
RO4C
RO4A
RO4B
40
41
+
-
24V AC/DC + in
24V AC/DC - in
24 V AC/DC
Common, CRO4C50External 24 V (AC/DC) in-
put
24 V AC/DC + in40
Normally closed, NCRO4A51External 24 V (AC/DC) in-
put
24 V AC/DC - in41
Normally open, NORO4B523-pin terminal block for for transistor output4
24 V DC
42
43
44
DO1 SRC
DO1 OUT
DO1 SGND
1)
42
43
44
DO1 SRC
DO1 OUT
DO1 SGND
2)
Common, CRO5C53Source inputDO1 SRC42
270 CMOD-01 multifunction extension module (external 24 V AC/DC and digital
I/O)