Safety Relay User Manual Owner's manual

Rockwell Automation Publication 440C-UM001C-EN-P - November 2014 83
Safety Outputs Chapter 11
ON Delay
The ON Delay block turns on the output after the specified time delay expires.
Figure 102
shows the ON Delay output block that is connected to an E-stop
block through Logic Level LLB1. The feedback signal is provided by SMF2 and
manual reset by SMF3. The time delay is set to 20. The output will turn on 1000
ms (20x50 ms) after the reset button is released. The output is connected to:
• Terminals 18 and 19 for dual channel safety switching of the machine
hazards.
• Terminal 20, which is configured as a Single Wire Safety (SWS) output.
• Plug-in 1 terminal 00 for status indication.
Figure 102 - ON Delay Configuration