■
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 data (16-bit words)
Register address
Control word. See section
.
The selection can be changed using parameter
.
400001
Reference 1 (REF1).
The selection can be changed using parameter
400002
Reference 2 (REF2).
The selection can be changed using parameter
.
400003
Status Word (SW). See section
.
The selection can be changed using parameter
.
400004
Actual value 1 (ACT1).
The selection can be changed using parameter
400005
Actual value 2 (ACT2).
The selection can be changed using parameter
.
400006
Data in/out 7...24.
Selected by parameters
...
400007...400024
Unused
400025...400089
Error code access. See section
Error code registers (holding registers
.
400090...400100
Parameter read/write.
Parameters are mapped to register addresses according to parameter
.
400101...465536
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
6.5 EFB transparent control word
, and
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 source
. This can be, for example, the
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
...
. The references received from the fieldbus are visible in
parameters
and
.
620 Fieldbus control through the embedded fieldbus interface (EFB)
Summary of Contents for ACS880 N5700 Series
Page 1: ... ABB INDUSTRIAL DRIVES ACS880 position control program N5700 Firmware manual ...
Page 2: ......
Page 4: ......
Page 22: ...22 ...
Page 28: ...28 ...
Page 32: ...32 ...
Page 60: ...60 ...
Page 546: ...546 ...
Page 604: ...604 ...
Page 626: ...626 ...
Page 640: ...640 ...
Page 660: ...660 ...