Modbus For Deep Sea 7420 mkii tutorial and protocol

Hello my name is Eko.

Currently I need modbus protocol for deep sea 7420 mkii. I'm new also in this field. can you help me give link tutorial and correct reference for Modbus?

Thanks and Best Regards,
According to an on-line DSE7420 manual, "The RS485 port can be configured for connection to Cummins MODBUS engines". I don't know if that means the box is a Modbus master or Modbus slave, but whatever it is, it involves configuring the device's DSENet port.

The availability of a register table (map) for the data values available via Modbus\TCP (from tech support) defines the Modbus/TCP function as a server/slave.

Several statements in the Operator Manual refer you to "DSE Publication: 057-262 DSE7410 MKII & 7420 MKII Configuration Software Manual" for communications module configuration.

Good Luck ! !
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