Omron CQM1 User Manual

50
Word Allocation Section 4-1
Connect the transmission cables in series from the Master, regardless of the
Unit number settings.
Expansion Masters Mounted Left of the Master
Take care of the allocation of Master, Expansion Master Unit 1 and Unit 2
word addresses.
If one Expansion Master is used for input and another for output, take care
that the Expansion Master Unit numbers and the Unit 1/Unit 2 Slave address
settings are not reversed.
A 4-point Slave cannot be used as a Unit 2 Slave address.
Connect the transmission cables in series from the Master.
I/O Input
Master
Expansion Master Unit 1 Expansion Master Unit 2
Unit
Input word
Output
word
Input
16
points
16
points
CQM1H/CQM1
I/OOutput
Master
Expansion Master Unit 1 Expansion Master Unit 2
Unit
Input word
Output
word
Input
16
points
16
points
CQM1H/CQM1

Omron CQM1 Specifications

General

Model	CQM1
I/O Capacity	Up to 256 I/O points
Programming Language	Ladder Logic
Timer/Counter	128 timers/counters
Operating Temperature	0 to 55°C
Humidity	10 to 90% RH (non-condensing)
Power Supply	24 VDC or 100-240 VAC
Communication Ports	RS-232C
Memory Capacity	3.2K words
Instruction Set	Basic and advanced instructions
Memory	RAM (battery-backed)
Program Memory	3.2K words
Storage Temperature	-20 to 75°C