ABB ACH550-UH User Manual page 280

1-276
Actual value
As described earlier in
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 Data Words 5 and 6
below, scale the feedback integer using the resolution listed for the parameter in the
Complete parameter descriptions
Feedback Integer
1
10
Data words 5 and 6 are scaled as follows:
Data Word
5
6
Actual value mapping
See the user's manual supplied with the FBA module.
Fieldbus adapter
interface, Actual Values are words containing drive
Control
Parameter Resolution
0.1 mA
0.1%
Contents
-20000 ... +20000 = -(par. 1105) ... +(par. 1105)
ACTUAL SPEED
-10000 ... +10000 = -100% ... +100%
TORQUE
section. For example:
Scaled Value
1 * 0.1 mA = 0.1 mA
10 * 0.1% = 1%
ABB Drives Profile
Scaling
ACH550-UH User's Manual