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Omron CS1W-CRM21 - Section 4 Installation and Wiring; Installation and Wiring

Omron CS1W-CRM21
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59
SECTION 4
Installation and Wiring
This section describes how to install and wire a CompoNet Network.
4-1 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
4-1-1 Tools Required for Installation and Wiring . . . . . . . . . . . . . . . . . . . 60
4-1-2 Installation Locations According to Degree of Protection . . . . . . . . 60
4-1-3 Installing the Master Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
4-2 Connecting Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
4-2-1 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
4-2-2 Connecting to Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
4-2-3 Branching a Communications Cable . . . . . . . . . . . . . . . . . . . . . . . . 68
4-2-4 Extending a Communications Cable . . . . . . . . . . . . . . . . . . . . . . . . 71
4-2-5 Connecting Terminating Resistors . . . . . . . . . . . . . . . . . . . . . . . . . . 72
4-3 Preparing and Mounting Flat Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
4-3-1 Round Cable II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
4-3-2 Flat Cable I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
4-3-3 Flat Cable II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
4-4 Power Supply Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
4-4-1 Connecting the Communications Power Supply . . . . . . . . . . . . . . . 89
4-4-2 Connecting the Communications Power Supply . . . . . . . . . . . . . . . 90
4-4-3 Current Consumption of a Slave Unit or a Repeater Unit . . . . . . . . 90
4-4-4 Communications Power Supply Wiring Example . . . . . . . . . . . . . . 91
4-4-5 Precaution in Supplying Power to Slave Units . . . . . . . . . . . . . . . . . 97
4-4-6 Precautions on Locating the I/O Power Supply . . . . . . . . . . . . . . . . 99
4-4-7 Other Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

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