Single-axis controllers
Wiring
Important notes
4
99
EDS94SPP101 EN 7.1
Stop!
Overvoltage on components:
On IT systems an earth fault in the installation can cause impermissible
overvoltages.
Possible consequences:
Destruction of the device.
Protective measures:
If the devices are operated on IT systems, the internal connection of the filters
to the protective earth in the i nstallation backplane has to be disconnected
( 103).
Note!
Switching operations on the motor side of the controller are permitted for
safety switch-off (emergency off).
Please observe:
ƒ When the controller is enabled, switching operations may lead to a response
of the controller monitoring functions.
ƒ The switching elements on the motor side must be rated for DC voltages
with U
DCmax
= 800 V.
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