The reaction to assertion of PICS STOP to the system and effect of the signal removal are detailed below:
System state
Reaction
Removal of external STOP
STOP asserted on power up - head locked.
Normal system start up - head will report its
position.
Head movement commands accepted.
System in manual mode - manual movement
initiated by HCU2 after STOP asserted.
Single step manual movement only -
continuous movement is disabled but head
can be moved slowly as a safeguard
movement. Head will lock up as normal
when movement key is released.
Continuous movement enabled.
System in manual mode - STOP asserted
during manual move by HCU2.
Continuous head movement is immediately
disabled - head will continue to move in
single steps. Head will lock up as normal
when movement key is released.
Continuous movement enabled.
System in automatic mode - stop asserted
before update command received.
PHC10-3 PLUS will not unlock or index the
head.
Normal system operation resumed.
System in automatic mode - stop asserted
during a head move.
Power immediately removed from axis
motors - motors braked.
Update command will cause the head to
complete its move.
PHC10-3 PLUS installation guide
www.renishaw.com
Issued 12 2021
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