Modbus Holding Register Addresses; The Transparent Profile - ABB ACS880 Firmware Manual

Fieldbus control through the embedded fieldbus interface (EFB) 721
￭

Modbus holding register addresses

The table below shows the default Modbus holding register addresses for drive
data.
This profile provides a converted 16-bit access to the data.
Register address Register data (16-bit words)
400001
Control word. See section
The selection can be changed using parameter
400002 Reference 1 (REF1).
The selection can be changed using parameter
400003 Reference 2 (REF2).
The selection can be changed using parameter
400004
Status Word (SW). See section
The selection can be changed using parameter
400005 Actual value 1 (ACT1).
The selection can be changed using parameter
400006 Actual value 2 (ACT2).
The selection can be changed using parameter
400007...400024 Data in/out 7...24.
Selected by parameters
400025...400089 Unused
400090...400100
Error code access. See section
400090...400100) (page
400101...465536 Parameter read/write.
Parameters are mapped to register addresses according to parameter
58.33 Addressing

The Transparent profile

The Transparent profile enables a customizable access to the drive.
The contents of the control word are user-definable. The control word received
from the fieldbus is visible in parameter
can be used to control the drive using pointer parameters and/or application
programming.
The status word to be sent to the fieldbus controller is selected by parameter
58.30 EFB status word transparent
user-configurable status word in
The Transparent profile involves no data conversion of the control or status word.
Whether references or actual values are scaled depends on the setting of
parameters 58.26...58.29. The references received from the fieldbus are visible in
parameters 3.9 EFB reference 1
Control Word (page
Status Word (page
58.107 Data I/O 7
Error code registers (holding registers
726).
mode.
6.5 EFB transparent control
source. This can be, for example, the
6.50 User status word
and 3.10 EFB reference
714).
58.101 Data I/O
58.102 Data I/O
58.103 Data I/O
716).
58.104 Data I/O
58.105 Data I/O
58.106 Data I/O
... 58.124 Data I/O 24.
word, and
1.
2.
1.
2.
3.
4.
5.
6.