Table of Contents
Advertisement
208
description on the range and scaling of the
supplied with the FBA module.
Reference
REF
Actual Values
As described earlier in "Control Interface", Actual Values are words containing drive
values.
Actual Value Scaling
For Actual Values, scale the feedback integer using the parameter's resolution. (See
"Parameter Descriptions" section for parameter resolutions.) For example:
Feedback
1
10
Where parameters are in percent, the "Parameter Descriptions" section specifies
what parameter corresponds to 100%. In such cases, to convert from percent to
engineering units, multiply by the value of the parameter that defines 100% and
divide by 100%. For example:
Feedback
Integer
10
100
1. Assuming, for the sake of this example, that the Actual Value uses parameter 9908
as the 100% reference, and that 9908 = 1500 rpm.
2. Assuming, for the sake of this example, that the Actual Value uses parameter 9907
as the 100% reference, and that 9907 = 500 Hz.
Actual Value Mapping
See the user's manual supplied with the FBA module.
Serial Communication – FBA
Reference
Range
Type
Fieldbus
Speed
specific
Frequency -100% = -(par. 9907)
Parameter
Integer
Resolution
0.1 mA
0.1%
Parameter
Resolution
0.1%
1500 rpm
0.1%
500 Hz
REFERENCE
Generic Profile
Scaling
-100% = -(par. 9908)
0 = 0
+100 = (par. 9908)
0 = 0
+100 = (par. 9907)
(Feedback Integer) * (Parameter Resolution) =
1 * 0.1 mA = 0.1 mA
10 * 0.1% = 1%
Value of the
(Feedback Integer) * (Parameter Resolution) *
Parameter that
defines 100%
1
10 * 0.1% * 1500 RPM / 100% = 15 rpm
2
100 * 0.1% * 500 Hz / 100% = 50 Hz
AYK550-UH User's Manual
, see the user's manual
Remarks
Final reference limited by
1104/1105.
Actual motor speed limited by 2001/
2002 (speed).
Final reference limited by
1104/1105.
Actual motor speed limited by 2007/
2008 (frequency).
Scaled Value
(Value of 100% Ref.) / 100% =
Scaled Value
MOT NOM SPEED
MOT NOM FREQ
Advertisement
Table of Contents
