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Function description
Procedure:
1. The press is on downward movement. The protected field moves down with the upper
tool.
2. The advance measuring field touches the workpiece.
3. The advance measuring field is used to hold the protected field stationary at the pinch
point on the workpiece. The segment division is optimised for the dynamic muting pro-
cess.
4. The respective upper segments are deactivated before the upper tool enters the protec-
ted field.
States of the OSSD/mute signal
The OSSD signal from the special module PSSu K F FAU controls the outputs; the mute
signal signals whether dynamic muting is activated or deactivated. The signal states are
displayed via the LEDs OSSD and Mute. On the receiver, an LED lights up green when the
OSSD signal is 1 (protected field clear). It lights up red when the OSSD signal is 0 (protec-
ted field interrupted).
Operating Manual PSENvip R, PSENvip R LR,PSENvip E
1003449-EN-06
NOTICE
When the muting end point is reached, the protected field is interrupted and
the PSENvip initiates a press stop via the OSSDs and the fast shutdown of
the PSSu K F FAU P. To prevent the press stopping, fast shutdown must be
deactivated in the safety system's user program, thereby overriding the
shutdown.
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