Electrical installation
Control terminals
Safe torque off
5
88
EDBCSXA064 EN 3.2
Manual test of the disconnecting paths
ƒ The disconnecting paths have to be checked individually in succession.
ƒ When any test key (T1, T2) is pressed the motor has to become torqueless
immediately. Additionally the brake has to be applied, since the supply of the brake
is switched off via contact X6/B+.
ƒ When the safety switching device is switched off, or if both pushbuttons are pressed
at the same time, the STO state has to be signalled via the indicator light H1. In all
other states this message has to be inactive.
If a deviation from the response described above is determined, the controller must be
switched off immediately. Eliminate the fault before restarting the controller.
For obtaining a Performance Level PL
d
(SIL 2), only components which also comply with the
requirements for PL
d
in accordance with EN ISO 13849−1 or SIL 2 in accordance with EN
62061 are to be used in all upstream applications!
Interconnection examples can be found in the download area (Application
Knowledge Base) at:
www.Lenze.com
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