Lenze qnbh & co kg – Lenze 2002 Function board Benutzerhandbuch
Seite 19
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3.2
Regulating amplifier
3.2.1
Summer with
limitation and
switch-over of
output
polarity
U18
1.119
output
10
.0
...
¶0V
SmA
The summer operates bipolar, from equivalent inputs
(standard design) and a reinforcement v1 results
the
diagram. Switch-over of output polarity is externally
possible via contact kl. The polarity is limited via
programme switches S7 and 58.
Use:
Addition of master-correction and limiting signals.
The polarity switch-over is
used for reversal of
direction of rotation of 4-Q-drives.
regulati.ng
ornplifier
input
III
input
II
input 1
0
U17#
V209
UA
K1~
0
T/sch
01 .09.8
Z.d~nungs.Nr
GeprOft:
Lenze QnbH & Co KG
Aerzen, 3250 Hameln
MB 33.0623a
B1.-8-
~ie~ed:
1
Lenze Service GmbH,
Postfach 10 13 52, 31763 Hameln
+49 (0)51 54 / 82-0
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