Control terminals
With function "Safe torque off" active
5.6
5.6.3

5.6−4
EDSVF9383V EN 7.1−04/2012
5.6.3 With function "Safe torque off" active
ƒ The installation and commissioning of the Safe torque off" function
must be carried out by skilled personnel only.
ƒ All safety−relevant cables (e.g. control cable for the safety relay,
feedback contact) outside the control cabinet must be protected, for
instance by a cable duct. Short circuits between the single cables must
be ruled out!
Æ’ Wiring of the safety relay K
SR
with insulated wire end ferrules or rigid
cables is absolutely vital.
Æ’ The electrical reference point for the coil of the safety relay K
SR
must be
connected with the protective conductor system (DIN EN 60204−1
paragraph 9.4.3). Only this measure guarantees that the operation is
protected against earth faults.
 Tip!
A complete description can be found in the chapter "Safe torque
off".
Safety instructions for the
installation of the "Safe
torque off" function
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