Function Codes - ABB ACS355 series User Manual

326 Fieldbus control with embedded fieldbus
Modbus register
40034 ACS355 Status
word MSW
Note: Parameter writes through standard Modbus are always volatile, ie, modified
values are not automatically stored to the permanent memory. Use parameter
PARAM SAVE to save all changed values.
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Function codes

Supported function codes for the holding 4xxxx register:
Code Function name
hex
(dec)
03 Read 4X Register Reads the binary contents of registers (4X references) in a slave
(03)
06 Preset single 4X
(06) register
10 Preset multiple
(16) 4X registers
17 Read/Write 4X
(23) registers
Note: In the Modbus data message, register 4xxxx is addressed as xxxx -1. For
example, register 40002 is addressed as 0001.
Access Information
R 0304 FB STS WORD
the DCU profile 32-bit Status word.
Supported only by the DCU profile, ie, when
CTRL PROFILE
Additional information
device.
Presets a value into a single register (4X reference). When
broadcast, the function presets the same register reference in all
attached slaves.
Presets values into a sequence of registers (4X references). When
broadcast, the function presets the same register references in all
attached slaves.
Performs a combination of one read operation and one write
operation (function codes 03 and 10) in a single Modbus
transaction. Write operation is performed before the read
operation.
2, ie, the most significant word of
setting is DCU PROFILE.
5305 EFB
1607