
Fieldbus control through the embedded fieldbus interface (EFB) 369
Modbus holding register addresses
Modbus holding register addresses for the ABB Drives profile and DCU Profile
The table below shows the default Modbus holding register addresses for the drive
data with the ABB Drives profile. This profile provides a converted 16-bit access to
the drive data.
Note:
Only the 16 least significant bits of the drive’s 32-bit Control and Status Words
can be accessed.
Note:
Bits 16 through 32 of the DCU Control/Status word are not in use if 16-bit
control/status word is used with the DCU Profile.
Register address
Register data (16-bit words)
400001
Default: Control word (
). See sections
(page
Control Word for the DCU Profile
(page
The selection can be changed using parameter
400002
Default: Reference 1 (
The selection can be changed using parameter
400003
Default: Reference 2 (
The selection can be changed using parameter
400004
Default: Status Word (
). See sections
(page
Status Word for the DCU Profile
(page
The selection can be changed using parameter
(with speed reference)
(with frequency reference)
0
-20000
20000
Drive
Fieldbus
0
10000
-10000
(with torque reference)
(with power reference)
) (with speed reference)
) (with frequency reference)
) (with torque reference)
) (with power reference)
ACS180 FW.book Page 369 Tuesday, March 9, 2021 2:25 PM