Safety Relay User Manual Owner's manual

38 Rockwell Automation Publication 440C-UM001C-EN-P - November 2014

Chapter 5 Pulse Testing

Then a sequence occurs in which each output is individually tested twice. The

test pulse is 50 μs wide. The test pulses occur every 250 ms and switch to the next

output configured with testing.

Figure 22 - Test Pulse Sequence

erminal 13

Terminal 12

24V

erminal 20

erminal 21

24V

0 250 500ms