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The couplers CJ1W-SCU and CS1W-SCU (V1.3) have Modbus slave driver and support the following modbus commands:
- 01, 02 reading bit multiples (IOC)
- 03 reading records (DM)
- 04 reading words I / O IOC
- 05 writing bit
- 06 write single register (DM)
- 08 test echo
- 0F writing multiple bit
- 10 writing multiple registers
The instruction applied to CMND cards SCU mode gateway can generate the Modbus master.
See also Getting Started With Modbus for a full list of sample programs for different hardware.
