Auxiliary Power Supply, Main Contactor Or Bypass Contactor - Siemens SIMOVERT MASTERDRIVES Motion Control Instructions De Service

Connecting-up
7.2 Auxiliary power supply, main contactor or bypass
contactor
Types E, F, G:
X9 - external
DC 24 V
supply, main
contactor control
5
4
3
2
1
NOTE
WARNING
7-8
The 5-pole terminal strip is used for connecting up a 24 V voltage
supply and a main or bypass contactor.
The voltage supply is required if the inverter is connected up via a main
or bypass contactor.
The connections for the contactor control are floating.
The position of the terminal strip can be seen from the connection
overviews.
Terminal Designation
5 Main contactor control
4 Main contactor control
3 n.c.
2 0 V
1 +24 V (in)
Connectable cross-section: 2.5 mm² (AWG 12)
Table 7-3 Connection of external DC 24 V aux. voltage supply and main contactor
control (types E, F, G)
The excitation coil of the main contactor has to be damped with
overvoltage limiters, e.g. RC element.
The external 24 V voltage supply has to meet the requirements of safe
electrical isolation (PELV current circuit = Protective Extra Low
Voltage).
Meaning
Main contactor control
Main contactor control
Not connected
Reference potential
24 V voltage supply
6SE7087-7JK50
Operating Instructions SIMOVERT MASTERDRIVES
08.2008
Range
AC 230 V
1 kVA
0 V
For current
requirement
see section
"Technical
Data"
Siemens AG