Siemens SIMOVERT MASTERDRIVES SSB Manual De Instrucciones página 23

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02.2000
X533
Types ≥ J
Fig. 2-3
"Safety off"
signal lamp
U= 20 ... 30 V DC
NC contact for
"safety off"
All contacts shown in the
"safety off" status
Fig. 2-4
"SSB" board wiring (basic circuit principle)
Wiring:
In the basic configuration, the internal P24 power supply supplies the safety relay coil. To realize this, an NC
contact or several NC contacts connected in series are connected between pins 3 and 4 of connector X533.
When an NC contact is actuated, the safety relay drops-out and the SIMOVERT MASTERDRIVES is then in the
"safety off" status. For example, a signal lamp, connected at the safety relay, terminal 1 and 2, indicates this
status. The internal P24 power supply has a current limiting function and is only suitable to supply the safety
relay. The power supply of the signal lamp(s) should be grounded so that no inadmissibly high voltage
differences can occur between pins of connector X533 and on SSB board.
Siemens AG 6SE7080-0AX87-1JB0
Safe Stop Board
Operating Instructions
The SSB board is installed only in the master on parallel-connected
devices of construction type M (double parallel connection consisting
of master inverter and slave inverter).
The SSB must be installed in every inverter on multi-parallel-connected
devices (consisting of a master inverter and several slave converters).
U
V
W
X533
1
2
3
4
SSB
P24
Internal contact
to inhibit the
power section
X9/Pin 2
23

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