PSEN sl-0.5n 1.1
Operating Manual PSEN sl-0.5n 1.1
22173-EN-05
10
There is a low signal at safety outputs 12 and 22 if at least one of the following conditions
are met:
} The actuator is outside the response range or
} There is a low signal at the input S31 (control command for magnetic guard locking) or
} The holding force of the locking magnet has not been tested successfully.
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 [ 23], System with free-moving
actuator [ 27], 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
} Max. lateral offset: 3 mm
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