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ACH580 E-Clipse bypass and packaged drive user manual
181
Fieldbus adapter
Actual value
As described earlier in
, Actual Values are 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 Data Words 5 and 6
below, scale the feedback integer using the resolution listed for the parameter in the
ACH580 HVAC control program firmware manual
(3AXD50000027537). For
example:
Data words 5 and 6 are scaled as follows:
Actual value mapping
See the user’s manual supplied with the FBA module.
Feedback Integer
Scaling
(Feedback Integer) / (Scaling) = Scaled Value
100 (example: 12.11 AI1 actual
feedback)
1000 = 1 unit
100 / 1000 = 0.1 mA
10
10 = 1%
10 / 10 = 1%
ABB Drives Profile
Data Word
Contents
Scaling
5
Set by drive
parameter
58.28
-20000 … +20000 = -(par 46.01) … +(par 46.01) if content is Speed
-20000 … +20000 = -(par 46.02) … +(par 46.02) if content is Frequency
-10000 … +10000 = -(par 46.03) … +(par 46.03) if content is Torque
6
Set by drive
parameter
58.29
-20000 … +20000 = -(par 46.01) … +(par 46.01) if content is Speed
-20000 … +20000 = -(par 46.02) … +(par 46.02) if content is Frequency
-10000 … +10000 = -(par 46.03) … +(par 46.03) if content is Torque
Summary of Contents for ACH580 Series
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