SIEMENS
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Siemens CR 1 · 2015
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Characteristic curves
(continued)
Drive systems
SIMOTRAS HD AC power controller
Control characteristics for gantries
Up to 4 rotor resistor switching stages can be provided. If less
than 4 stages are implemented, the top stages (S3/S4) remain
unused.
100
80
60
40
20
-20
-40
-60
-80
-120
%
%
-140
-100
-60
-20
20
60
100
140
180
%
%
*
*
*
S3
S2
S1
S4
S3
S2
S1
CW rotation, driving
CCW rotation, braking
CW rotation, braking
K
-
M
K
-
n
CCW rotation, driving
+
M
+
n
G_CR01_EN_00162
SIMOTRAS HD control range
K
Characteristics for reversing mode (counter-current braking)
S3
Characteristics for controlled mode
*
Use of current limiting (e.g.
I
max
= 2 x
I
rated
)
© Siemens AG 2015