ABB PFEA 113 - Page 109

Tension Electronics PFEA113, User Manual
Section A.3.1 Simplified calculation of SRSF
3BSE029382R0101 Rev C A-5
Figure A-4. Dummy at the end and in the middle of the segmented roll.
Figure A-5. Dummies only at the end of the segmented roll.
Z = Support point supported with load cell.
n
s
= number of rolls connected to a electronic unit.
If the load cell is located at the end of the roll:
If the load cell supports two rolls:
(See Z1 and Z3 in Figure A-3)
(See Z2 in Figure A-3)
Z1
Z2
Z1
Z3
Z2
Z
1
2 ·
n
s
-----------
=
Z
1
n
s
----
=
SRSF
1
Z

----------
=