SiePortal

The integrated platform for your product selection, buying and support workflow - bringing together Industry Mall and Online Support.

Products & Services
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
Support Support
{{(apiData.Support | filter:{'rank':1}:true)[0].title}} Support
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
MySiePortal MySiePortal
{{(apiData.MySiePortal | filter:{'rank':1}:true)[0].title}} MySiePortal
- Menu temporary not available
- Menue temporary not available
- {{item.title}}
Cart ({{apiData.CartCount}})

Navigation

S7-300 DP slave

7/15/2020 8:39 AM	Rate (0)
laimh Regular Member Joined: 5/28/2019 Last visit: 12/15/2025 Posts: 30 Rating: (0)	Hi, I have a 840D pl with s7-300 PLC. It has a DP port and I want to use this port as DP-slave. I have a problem when the DP-master is not connected, it gives an error and the PLC goes to stop. I need the PLC keep in RUN also when the DP master is not connected. I have tried with OB122 and OB187 and it is not working. Does someone know how can I make it? Thanks

Suggestion To thank Quote Answer

7/15/2020 8:45 AM	Rate (0)
Duris_I Diamond Member Joined: 4/28/2015 Last visit: 11/27/2025 Posts: 10970 Rating: (844)	Hello, OB82, OB87 can help but can you confirm that OB187?
	With best regards... Ivan Duris Flight: OMICO
Suggestion To thank Quote Answer

8/7/2020 9:20 AM	Rate (0)
laimh Regular Member Joined: 5/28/2019 Last visit: 12/15/2025 Posts: 30 Rating: (0)	With OB87 it is working. I was wrong, I thought that the OB was OB187 Thanks

Suggestion To thank Quote Answer

Share this page:

Share this page on...