Control Connections - Siemens SIMOVERT MASTERDRIVES Betriebsanleitung

Connecting-up
7.2
Standard
connections
WARNING
WARNING
NOTE
7-8
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Control connections

In the basic version, the unit has the following control connections on
the CUMC control board:
♦ Serial interface (RS232 / RS485) for PC or OP1S (interface 1)
♦ One serial interface (USS bus, RS485) (interface 2)
♦ One control terminal strip with digital and analog inputs and outputs.
Before the control cables and encoder cables are connected or
disconnected, the unit must be disconnected from the supply (24 V
electronic power supply and DC link/line voltage)!
If this measure is not observed, this can result in defects on the
encoder. A defective encoder can cause uncontrolled axis movements.
The external 24 V infeed and all circuits connected to the control
terminals must meet the requirements for safety separation as
stipulated in EN 50178 (PELV circuit = Protective Extra Low Voltage).
The earth of the control connections is connected inside the unit to the
PE conductor (earth) (PELV current circuit).
X108
S1
X101
X103
S2
Fig. 7-4
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View of the CUMC
Operating Instructions
08.2009
6SE7087-6JD50 Siemens AG
SIMOVERT MASTERDRIVES