1/28/2019 5:36 PM | |
Joined: 9/27/2006 Last visit: 10/17/2024 Posts: 12289 Rating: (2687) |
Hello Deva; The DP/As-interface link 20 manual has a section on the interpretation of the different LEDs of the DP/As-i link. The screeshot below shows the meaning of your 3 red LEDs: https://support.industry.siemens.com/cs/ww/en/view/33563718 Based on this information, you need to check: - what As-i power supply do you have to power the DP/As-i link and how is it wired to your unit (APF LED); - what DP address is configured in the DP/As-i link and does it match the configuration in the DP- master PLC; The SF LED is probably linked to the appearance of one of the 2 diagnostic LEDs above. Check the diagnostic buffer of your CPU to find out what messages are linked to this fault. I do not know how to reset the DP/As-i link 20 E to factory settings, if at all possible. If you go through the configuration once the problems indicated by the LEDs are corrected, you should be able to connect to the DP master. Hope this helps, Daniel Chartier |
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