Safe stop
Instruction handbook b maXX BM4400, BM4600, BM4700
Document No.: 5.12008.07
339
of 358
E
The shutdown paths on the terminals X102 and X103 of the converter BM4000 (safety relay)
are implemented by positively driven relays, which interrupt the driver supply for motor control.
The drive can be moved, if the relays carry current, only (control inputs X102-3/4; X103-3/4).
The state of the relay contacts can be obtained via the positively driven NC contacts (signal out-
puts X102-1/2; X103-1/2)
At the device model BM4000 with a safety relay, the second shutdown path is obtained by pulse
enable of the device at BM4000 controller LC3.
The safety function pulse enable is active, if no voltage is connected to the input terminals
(X3-3/5). The pulses for the IGBT control is inhibited.
24 V must be connected to the terminals (X3-3/5), in order to deactivate the safety function.
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