101
SECTION 4
Installation
This section describes how to install the CQM1H PC, including how to mount Units, wire I/O, and connect Programming
Devices. Installation precautions and mounting dimensions are also provided. Follow the instructions carefully to ensure
proper operation. Improper installation can cause the PC to malfunction.
4-1 Fail-safe Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
4-2 Installation Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
4-3 Mounting Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
4-4 Connecting PC Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
4-5 Inner Board Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
4-6 DIN Track Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
4-7 Wiring and Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
4-7-1 Power Supply Unit Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
4-7-2 Connecting the CPU Block and Expansion I/O Block . . . . . . . . . . . 119
4-7-3 I/O Unit Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
4-7-4 Preparing Cables for 32-point Input and Output Units. . . . . . . . . . . 123
4-8 I/O Unit Wiring Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
4-9 Connecting Programming Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
4-10 Connecting Programmable Terminals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129