Omron CPM1A Datasheet

Functions
20
Communications
Host Link Communications
CPM1A host link communications consist of interactive procedures whereby the CPM1A returns a response to a command sent from
the IBM PC/AT or compatible computer. These communications allow the IBM PC/AT or compatible computer to read and write in the
CPM1A’s I/O Areas and Data Memory Areas as well as in areas containing the status of various settings.
1:1 Host Link Communications
CPM1A
CPU
RS-232C
Adapter
Response
Command
1:n Host Link Communications
CPM1A
CPU
RS-422
Adapter
CPM1A
CPU
RS-422
Adapter
CPM1A
CPU
RS-422
Adapter
Response
Command
Link Adapter
3G2A9-AL004-E

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)