Omron CQM1 User Manual

32
System Configuration Section 1-2
Configuration as a Single System with Expansion Masters
Note 1. Use one Master in any system. The systems must be separated if multiple
Masters are used. (See page 33)
2. Up to two Expansion Masters can be connected to each Master.
3. When two Expansion Masters are used, set one as Unit 1 and the other as
Unit 2. The Slave address for Unit 2 can only be used for an 8-point or 16-
point Slave. It cannot be used for a 4-point Slave.
4. The combination of one Master with two Expansion Masters allows control
of up to 128 points.
5. The maximum number of connectable Slaves is 24 4-point Slaves and 4
8-point Slaves, making a total or 28 Units.
Master (32 input points/32 output points max.)
Expansion Master Unit 1 (max. 32 input points or 32 output points)
Expansion Master Unit 2 (max. 32 input points or 32 output points)
RS-485, 200 m max.
G730-VI (input model) G730-VO (output model) G730-RI (input model) G730-RO (output model)
Switch Sensor Lamp ValveSwitch
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