Rockwell Automation Publication 2094-RM002B-EN-P - May 2012 21
Safe Torque-off I/O Signals Chapter 3
Figure 7 - Reset Behavior
SS_IN_CH0 or
SS_IN_CH2
SS_IN_CH1 or
SS_IN_CH3
Gate Power
and Gate Enable
RESET_IN
Fault
RESET_REQUIRED
(waiting for reset)
SO_REQUEST_VALUE
SO_IN_VALUE
20 ms, max
When the inactive ‘OFF’ state of RESET_IN transitions to the active ‘ON’ state,
following a successful reset, the time to re-enable gate power and gate
enable, and set dual-channel safe-off outputs to active ‘ON’ state will not
exceed 20 ms.
If SS_IN_CH0/1 are used, then additional debounce filter delay of 36 ms is
applied to Ton delay.
After a successful SO Reset, the RSLogix™ 5000 software program must issue
an MSF instruction prior to restarting the machine.
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