User manual

512/612 Modicon Micro PLCs
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890 USE 145 00
Output Circuit Characteristics
Simplified Schematic
DC DC
D / A
V REF
D / A
250W
.1%
250W
.1%
Isolation
barrier
Field
Connections
1
2
3
4
5
6
7
8
0 ... 10V
Z
L
Z
L
4 ... 20 mA
24V
+
--
CPU
1 = Channel 1, Volt out
2 = Channel 1 RTN *
3 = Channel 1 4 ... 20 mA output
4 = Voltage monitor
5 = Channel 2, Volt out
6 = Channel 2 RTN *
7 = Channel 2 4 ... 20 mA output
8 = Voltage monitor
Note -- All RTN’S are common inside box. Therefore
both outputs are referenced to same point.
9