Siemens SIMODRIVE POSMO A User Manual page 33

2 Installing and Connecting–Up
2.2 Electrical system requirements
Line
supply
400 V
e.g. SITOP
24 V/48 V
Contactor
This is absolutely necessary in order
to eliminate cable–borne disturbances
DC–PMM
SIMODRIVE
POSMO A
Fig. 2-3 Switching–in/switching–out the 24 V/48 V load power supply on the secondary side
Line
supply
Contactor
400 V
e.g. SITOP
24 V/48 V
Optional, according to Chapter 2.2.3
DC–PMM
SIMODRIVE
POSMO A
Fig. 2-4 Switching–in/switching–out 24 V/48 V on the primary side with a POSMO A to be separately
switched
2-32
S
Switching–in/switching–out the 24 V/48 V load power supply on the
primary side (line–specific)
S
Switching–in/switching–out the 24 V/48 V load power supply on the
primary side (line–specific) with a POSMO A which is to be sepa-
rately switched
SIMODRIVE POSMO A
e.g. for a protective gate
SIMODRIVE POSMO A User Manual (POS1) – 08/2013 Edition
. . .
Contactor
This is absolutely necessary in
order to eliminate cable–borne
DC–PMM
disturbances
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08.03 02.99