Lenze 2002 Function board - Handbuch (Seite 19)

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