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Omron RX Series - Communications Functions

Omron RX Series
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8 - 1
8
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
This section describes the communications functions.
8-1 Communication Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
8-2 Modbus Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6
8-3 Explanation of Each Function Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10
8-4 Saving a Change to Holding Register (Enter Command) . . . . . . . . . . . . . 8-20
8-5 Modbus Communication Register Number List . . . . . . . . . . . . . . . . . . . . 8-22
8-5-1 Coil Number List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22
8-5-2 Monitor Function/Enter Command Register List . . . . . . . . . . . . . . . . . . . . . . 8-27
8-5-3 Group F Register List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-37
8-5-4 Group A/b/C/H/P Register List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-38
8-5-5 2nd Control Register Number List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-71
8-5-6 3rd Control Register Number List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-75
8-6 ASCII Method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-77
8-6-1 Communications Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-77
8-6-2 Communications Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-78
Communications Functions

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