Omron RX Series User Manual page 28

CONTENTS
Section 8 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
Section 9 Overview of DriveProgramming
9-1 Overview of DriveProgramming ............................................................................................. 9-2
Section 10 Troubleshooting
10-1 Alarm Codes and Remedies ................................................................................................. 10-2
10-1-1 Alarm Display ............................................................................................................................ 10-2
10-1-2 Alarm Code List ........................................................................................................................ 10-3
10-1-3 Option Board Protective Function List....................................................................................... 10-9
10-2 Warning Function ................................................................................................................ 10-12
10-3 Other Indications on Digital Operator................................................................................ 10-14
10-4 Troubleshooting................................................................................................................... 10-15
Section 11 Maintenance and Inspection
Precautions for Safe Use ............................................................................................................................. 2
Precautions for Correct Use ........................................................................................................................ 3
11-1 Inspection............................................................................................................................... 11-4
11-1-1 Daily Inspection......................................................................................................................... 11-4
11-1-2 Periodic Inspection.................................................................................................................... 11-4
11-1-3 Inspection Items ........................................................................................................................ 11-5
11-2 Cleaning ................................................................................................................................. 11-8
11-3 Test Methods.......................................................................................................................... 11-9
11-3-1 Megger Test .............................................................................................................................. 11-9
11-3-2 Withstand Voltage Test.............................................................................................................. 11-9
11-3-3 Inverter/Converter Unit Test .................................................................................................... 11-10
11-3-4 I/O Voltage/Current/Electric Power Measurement Method...................................................... 11-12
Section 12 Options
12-1 Overview of Optional Equipment ......................................................................................... 12-3
12-1-1 Part Names and Descriptions ................................................................................................... 12-3
12-2 Regenerative Braking Unit (Model: 3G3AX-RBU)......................................................... 12-5
26 High-function General-purpose Inverter 3G3RX-V1 User's Manual (I578-E1)