Omron SYSMAC CPM1 Operation Manual page 53

Wiring and Connections
CPM1-20CDR-j CPU Units
and CPM1-20EDR
Expansion I/O Unit
CPM1-30CDR-j(-V1) CPU Units
24 VDC
Input Devices
Device
Relay output
NPN open collector
NPN current output
Constant
circuit
This diagram shows the input configuration for CPM1-20CDR-j CPU Units and
CPM1-20EDR Expansion I/O Unit.
24 VDC
Note For details regarding CPM1A-20EDT/EDT1 Expansion I/O Unit connections,
refer to the CPM1A Programmable Controllers Operation Manual (W317).
This diagram shows the input configuration for CPM1-30CDR-j(-V1)
CPU Units.
COM
The following table shows how to connect various input devices.
Circuit Diagram
Relay
5 mA/12 mA
Sensor
+
Sensor power
supply
Output
5 mA/12 mA
0 V
current
+
Output
5 mA/12 mA
0 V
COM
IN
CPM1
COM (+)
IN
CPM1
COM (+)
Use the same power supply for
the input and sensor.
IN
CPM1
+
COM (+)
Section 3-4
Input devices
Input devices
37