Renishaw ATOM Installation Manual page 71

1
Alarm
Differential line driven output
Ri and Ti interfaces
E
> 15 ms
Interface model Alarm asserted when
Ri0004
Ri0008 • < 40% signal
Ri0020
• Overspeed
Ri0040
Ri0100
• < 20% signal
Ri0200
• > 130% signal
Ri0400
3-state alarm
ACi, Ri and Ti interfaces.
Differentially transmitted signals forced open circuit for > 15 ms when alarm conditions valid.
(Ri and Ti alarm conditions same as differential line driven output. ACi alarm conditions: < 40% signal or overspeed).
1
Inverse signals not shown for clarity.
Interface model Alarm asserted when
• < 20% signal
Ti • > 135% signal
• Overspeed
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