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CL3-E CANopen/USB Technical Manual

ConfigurationModbus RTU Parent topic: Modbus RTU

NanoJ Objects

The NanoJ objects 2400h (NanoJ Input) and 2500h (NanoJ Output) are mapped like the process images on Modbus registers:

  • 2400h with 32 x 32-Bit values is mapped onto the Modbus registers address from 2000d (7D0h).
  • 2500h with 32 x 32-Bit values is mapped onto the Modbus registers address from 3000d (BB8h).
For access the commands with function code 03h, 04h, 10h and 17h can be used. The restriction applies, that the address has to be aligned to 32-Bit and at minimum 32 Bit needs to be written at minimum for the data to be consistent.

Example

RX message: the master transmits the following message to the slave:

TX message: the slave will answer the following message to the master:

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