2 with function "safe torque off" active, With function "safe torque off" active, Electrical installation – Lenze EVF9383 User Manual
Page 97
Electrical installation
Control terminals
With function "Safe torque off" active
l
97
EDKVF9383 DE/EN/FR 4.0
5.6.2
With function "Safe torque off" active
(from hardware version 1x)
Safety instructions for the installation of the "Safe torque off" function
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!
ƒ
Wiring of the safety relay K
SR
with insulated wire end ferrules or rigid cables is
absolutely vital.
ƒ
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.