7EN02-0438-14

Command request

The table below describes a Modbus command request:

Slave Number

Function Code

Command block

CRC

Register Address

Command Description

1 – 247

16

5250 (up to 5374)

The command is made of a command number and a set of parameters. See the detailed description of each command in the command list.

NOTE: All the reserved parameters can be considered as any value, e.g. 0.

Checking

The command result can be obtained by reading registers 5375 and 5376.

The table below describes the Command result:

Register Address

Content

Size (Int16)

Data (example)

5375

Requested Command Number

1

2008 (Set Tariff)

5376

Result

Command result codes:

  • 0 = Valid Operation

  • 3000 = Invalid Command

  • 3001 = Invalid Parameter

  • 3002 = Invalid Number of Parameters

  • 3007 = Operation Not Performed

1

0 (Valid Operation)

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