Safety Relay User Manual Owner's manual

Rockwell Automation Publication 440C-UM001C-EN-P - November 2014 135
Specifications Appendix A
Figure 135 - Example 2: Same as Figure 134 on page 133 but with manual monitored reset and
feedback monitoring
Table 32 - For SMF1 - E-stop:
It takes a minimum of 1.36 s, after a valid Reset operation of at least 250 ms to
enable the outputs when the E-stop is active (closed contacts).
Comment Value
Feedback Configured Input Filter time
10x25ms = 250 ms
250 ms
Safety Sensors Reaction time of sensor device -
considered as 0 ms since mechanical
device only
0 ms
SMF Configured Input Filter time
10x25ms = 250 ms
250 ms
Reset/Restart Min: 2 x Input Filter Time + 250 ms =
500ms + 250 ms = 0.75 s
Max: 2 x Input Filter Time + 3 s = 0.5
+ 3 s = 3.5 s
Min: 0.75 s
Max: 3.5 s
Logic Internal execution time to process
input signal, routing, and output
processing 2)
100 ms
SOF No On delay configured for SOF 0 s
Actuator Assuming a contactor with a
response time of 10 ms
10 ms
Total Min: 1.36 s
Max: 4.11 s