ABB ACS 400 User Manual page 156
Ac drives for speed control
Hide thumbs
Also See for ACS 400:
- User manual (160 pages) ,
- Installation manual (4 pages) ,
- User manual (44 pages)
Table of Contents
Advertisement
Example of the effect of AI1 value on fieldbus reference.
Assume that 2008
MAXIMUM FREQ
Assume that fieldbus reference 1 is 5000 (corresponding to 25 % of full scale) and voltage at AI1 is
3 V (corresponding to 30 % of full scale).
1. If setting
+
1 is used, then the corrected fieldbus reference is 25 % + 30 % - 50 % = 5 % or
COMM
AI
2.5 Hz.
2. If setting
*
1 is used, then the corrected fieldbus reference is 25 % * 30 % / 50 % = 15 %
COMM
AI
or 7.5 Hz.
REF
100 %
50 %
ACS 400 User's Manual
= 50 Hz
.
2
.
1
50 %
http://nicontrols.com
FIELDBUS REFERENCE
AI1
100 %
145
Advertisement
Table of Contents
