Omron CPM1A User Manual

58
Input Devices The following table shows how to connect various input devices.
Device Circuit diagram
Relay output
IN
COM (+)
Relay
5 mA/12 mA CPM1A
NPN open collector
0 V
+
IN
COM (+)
Sensor
Sensor power
supply
Output
5 mA/12 mA
CPM1A
NPN current output
0 V
+
IN
COM (+)
Constant current
circuit
Output
Use the same power supply for
the input and sensor.
+
5 mA/12 mA
CPM1A
PNP current output
Sensor power
supply
COM (–)
0 V
IN
+
Output
5 mA/12 mA
CPM1A
Voltage output
Sensor power
supply
IN
COM (+)
0 V
Output
CPM1A
+
Wiring and Connections
Section 3-4

Omron CPM1A Specifications

General

Model	CPM1A
Type	Compact PLC
Communication Ports	RS-232C (optional)
Instruction Set	Basic and advanced instructions
Operating Temperature	0 to 55°C
Storage Temperature	-20 to 75°C
Humidity	10% to 90% RH (non-condensing)
Power Supply	24 VDC or 100-240 VAC
Expansion	Expansion I/O units available
Timers	128
Counters	256 counters
I/O Points	10, 20, 30, or 40 points (depending on model)