
370
Fieldbus control through the embedded fieldbus interface (EFB)
Modbus function codes
The table below shows the Modbus function codes supported by the embedded
fieldbus interface.
400004
Default: Status Word (
) and
Status Word for the DCU Profile
).
The selection can be changed using parameter
400005
Default: Actual value 1 (
).
The selection can be changed using parameter
400006
Actual value 2 (
).
The selection can be changed using parameter
400007…400014
Data in/out 7…14.
Selected by parameters
…
400015
…
400089
Unused
400090
…
400100
Error code access. See section
Error code registers (holding registers
(page
400101
…
465536
Parameter read/write.
Parameters are mapped to register addresses according to
parameter
Code
Function name
Description
01h
Read Coils
Reads the 0/1 status of coils (0X references).
02h
Read Discrete Inputs
Reads the 0/1 status of discrete inputs (1X
references).
03h
Read Holding Registers Reads the binary contents of holding registers (4X
references).
05h
Write Single Coil
Forces a single coil (0X reference) to 0 or 1.
06h
Write Single Register
Writes a single holding register (4X reference).
Summary of Contents for ACS280
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Page 16: ...16 Control panel ...
Page 20: ...20 Start up ID run and use ...
Page 24: ...24 Default control connection ...
Page 88: ...88 Program features ...
Page 298: ...298 Parameters ...