Actual Value; Virtual Addresses Of The Drive Control - ABB ACS550 User Manual

ACS550 User's Manual

Actual Value

As described earlier in section
words containing drive values.
Actual Value scaling
The scaling of the integers sent to the fieldbus as Actual Values depends on the
resolution of the selected drive parameter. Except as noted for
scale the feedback integer using the resolution listed for the parameter in section
Complete parameter list
Feedback integer
1
10
Data words 5 and 6 are scaled as follows:
1
ACT
2
ACT

Virtual addresses of the drive control

The virtual address area of the drive control is allocated as follows:
1
2
3
4
5
6
on page 85. For example:
Parameter resolution
0.1 mA
0.1%
Contents
-20000 ... +20000 = -(par. 1105) ... +(par. 1105)
ACTUAL SPEED
-10000 ... +10000 = -100% ... +100%
TORQUE
Control Word
1)
Reference 1 ( REF
2)
Reference 2 ( REF
Status Word
1)
Actual Value 1 ( ACT
2)
Actual Value 2 ( ACT
Control interface on page 222, Actual Values are
1 · 0.1 mA = 0.1 mA
10 · 0.1% = 1%
ABB Drives profile
Scaling
1 and 2 below,
ACT ACT
Scaled Value
Fieldbus adapter
239