Renishaw ATOM Installation Manual page 60

1
Alarm
Differential line driven output
(Ri and Ti digital interfaces)
E
> 15 ms
Interface model Alarm asserted when
Ri0004
• < 40% signal
Ri0008
Ri0020
• Overspeed
Ri0040
Ri0100
• < 20% signal
Ri0200
• > 130% signal
Ri0400
3-state alarm
(ACi, Ri and Ti digital 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.
60 ATOM rotary encoder system
Interface model Alarm asserted when
• < 20% signal
Ti
• > 135% signal
• Overspeed