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SECTION 1

Introduction

This section describes the CPM2C’s special features and functions, shows the possible system configurations, and outlines

the steps required before operation. Read this section first when using the CPM2C for the first time.

Refer to the CPM1/CPM1A/CPM2A/CPM2C/SRM1(-V2) Programming Manual (W353) for details on programming

operations.

1-1 CPM2C Features and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1-1-1 CPM2C Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1-1-2 Overview of CPM2C Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1-2 System Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1-2-1 CPU Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1-2-2 Power Supply Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

1-2-3 CPU Unit, Expansion Units, and Expansion I/O Units . . . . . . . . . . 10

1-3 Structure and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1-3-1 CPU Unit Structure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1-3-2 Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1-3-3 Operating Mode at Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1-3-4 PC Operation at Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

1-3-5 Cyclic Operation and Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

1-4 Functions Listed by Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

1-5 Comparison with the CPM1A and CPM2A . . . . . . . . . . . . . . . . . . . . . . . . . . 23

1-6 Preparation for Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

1-7 Changes in SW2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Omron CPM2C User Manual

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