Riello NetMan 202 plus - Modbus TCP;IP Protocol

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MODBUS TCP/IP PROTOCOL

This service is always active on the TCP port 502. The supported function are listed below,

together with the accessible registers.

SUPPORTED FUNCTION

SUPPORTED

FUNCTION

FUNCTION DESCRIPTION

ACCESSIBLE DATA

AREA

1 (0x01)

BIT READING

STATES

2 (0x02)

STATES

3 (0x03)

REGISTERS READING

ALL

4 (0x04)

ALL

6 (0x06)

SINGLE REGISTER WRITING

COMMANDS

16 (0x10)

MULTIPLE REGISTER WRITING

COMMANDS