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Omron CQM1 User Manual

Omron CQM1
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243
SECTION 2
CQM1-TC20@/TC30@ Temperature Control Units
This section describes the features and operation of the CQM1-TC20@/TC30@ Temperature Control Units.
2-1 Features and Word Allocations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
2-1-1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
2-1-2 Word Allocations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
2-2 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
2-3 Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
2-4 Terminology and Function Descriptions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
2-5 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
2-6 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
2-6-1 Communications Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
2-6-2 Using Operation Control Commands . . . . . . . . . . . . . . . . . . . . . . . . 258
2-7 IOTC(––). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
2-7-1 Sending I/O Allocation Commands . . . . . . . . . . . . . . . . . . . . . . . . . 262
2-7-2 Sending Operation Control Commands . . . . . . . . . . . . . . . . . . . . . . 263
2-8 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
2-9 Command Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270

Table of Contents

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Omron CQM1 Specifications

General IconGeneral
ModelCQM1
I/O CapacityUp to 256 I/O points
Programming LanguageLadder Logic
Timer/Counter128 timers/counters
Operating Temperature0 to 55°C
Humidity10 to 90% RH (non-condensing)
Power Supply24 VDC or 100-240 VAC
Communication PortsRS-232C
Memory Capacity3.2K words
Instruction SetBasic and advanced instructions
MemoryRAM (battery-backed)
Program Memory3.2K words
Storage Temperature-20 to 75°C

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