SIEMENS
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Siemens CR 1 · 2015
6
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Design
(continued)
Drive systems
SINAMICS S120 Cabinet Modules
Switch-Over Modules
Version C
•
Motor Module 1 operates Motor 1.1 and
•
Motor Module 2 operates Motor 1.2 or
•
Motor Module 1 operates Motor 2 or
•
Motor Module 2 operates Motor 2
Function diagram for version C
Implementation of version C with option
B80
:
3 ammeters (analog measuring instrument of moving-coil type,
240° scale) for indicating the motor currents and 2 voltmeters
(analog measuring instrument of moving-coil type, 240° scale)
for indicating the output voltage at the Motor Modules.
Version D
•
Motor Module 1 operates Motor 1 or 2 or 3 or 4 and
•
Motor Module 2 operates a motor other than Motor Module 1
Function diagram for version D
Implementation of version D with option
B80
:
2 ammeters (analog measuring instrument of moving-coil type,
240° scale) for indicating the motor currents and 2 voltmeters
(analog measuring instrument of moving-coil type, 240° scale)
for indicating the output voltage at the Motor Modules.
The checkback contacts of the individual contactors are con-
nected to terminals to support plant-specific interlocks.
Version C
G_CR01_EN_00222
Motor
Module
1
Motor
Module
2
Motor
1.1
Motor
2
Motor
1.2
Version D
G_CR01_EN_00223
Motor
1
Motor
Module
1
Motor
Module
2
Motor
2
Motor
3
Motor
4
© Siemens AG 2015