PSEN sl-1.0p 1.1/1.1 VA
Operating Manual PSEN sl-1.0p 1.1/1.1 VA
1003821-EN-12
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} If the signal at this input switches back from low to high, while a high signal remains at
the other input, a feasibility error is displayed and a partial operation lock is triggered:
The OSSDs are switched off during the partial operation lock.
A switch to a high signal will only lead to normal safety switch operation if both inputs had a
low signal simultaneously. From this moment on, the switch to high signal may occur (par-
tial operation lock see
Error display [ 24]).
Magnetic guard locking device and magnet monitoring
} The locking magnet is switched on if there is a high signal at input S31 (control com-
mand for magnetic guard locking) and the actuator is detected (safety gate closed).
} The holding force of the locking magnet is tested on power-up.
} After a signal change at the input S31 to low, wait for at least 500ms, before supplying
a high signal again at the input S31. Also note the max. switching frequency (see Tech-
nical details:
System with normal actuator [ 27], System with free-moving
actuator [ 30], System with normal actuator and stainless steel base
plate [
34], under electrical data).
If an open winding or a winding short circuit is detected on a locking magnet that is
switched on, safety outputs 12 and 22 switch to a low state.
} For physical reasons, a remanence (residual magnetism) remains after the locking
magnet is switched off; this is dissipated the first time the sensor and actuator are sep-
arated. Therefore a higher effort is required when opening for the first time.
} If the safety gate is in a locked condition and is opened by force, the safety outputs will
shut down.
Lateral and vertical offset
} Max. vertical offset 5 mm
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