ABB PFEA 113 User Manual page 110

Measurement & analytics, web tension systems with tension electronics
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Tension Electronics PFEA113, User Manual
Appendix A Technical Data for Tension Electronics PFEA113
A-6
For
Figure A-3
is SRSF:
1
----------------------------- -
SRSF
=
Z
+
Z
+
Z
1
2
For
Figure A-4
is SRSF:
1
----------------- -
SRSF
=
=
Z
+
Z
1
2
For
Figure A-5
is SRSF
1
----------------------------- -
SRSF
=
Z
+
Z
+
Z
1
2
For more detailed compensations for actual web width please consult ABB.
1
-------------------------------------------- -
=
1
1
1
------------ -
----
------------ -
3
+
+
2 · n
n
2 · n
s
s
1
1
----------------
------------
=
=
2
1
1
1
1
----
----
-- -
-- -
+
+
n
n
4
4
s
s
1
--------------------------- -
--------------------- -
=
+
1
1
1
1
----
----
----
-- -
3
+
+
+ +
n
n
n
4
s
s
s
1
------------------------------------- -
=
1
1
1
---------- -
-- -
---------- -
+ +
2 · 4
4
2 · 4
s
1
4
-- -
=
1
1
3
-- -
-- -
4
4
3BSE029382R0101 Rev C
=
2

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