# Communication With Seimens Sinumerik One? Anyone done it? **URL:** \ **Category:** Ignition\ **Created:** [March 27, 2024, 7:21pm UTC](https://forum.inductiveautomation.com/t/communication-with-seimens-sinumerik-one-anyone-done-it/88000 "2024-03-27T19:21:22Z")\ **Posts on this page:** 6\ **Page:** 1
**Author:** ![Joseph\_Harbinson](https://avatars.discourse-cdn.com/v4/letter/j/58956e/32.png) [@Joseph\_Harbinson](https://forum.inductiveautomation.com/u/Joseph_Harbinson)\ **Post date:** [March 27, 2024, 7:21pm UTC](https://forum.inductiveautomation.com/t/communication-with-seimens-sinumerik-one-anyone-done-it/88000/1 "2024-03-27T19:21:22Z")
I have a project with a new machine that has Siemens Sinumerik One based controls. Is there a driver in the works to communicate with the Seimens CNC side of automation? ---
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [March 27, 2024, 7:31pm UTC](https://forum.inductiveautomation.com/t/communication-with-seimens-sinumerik-one-anyone-done-it/88000/2 "2024-03-27T19:31:19Z")
IA isn't working on anything. I think Siemens has/sells an OPC server for it. ---
**Author:** ![Joseph\_Harbinson](https://avatars.discourse-cdn.com/v4/letter/j/58956e/32.png) [@Joseph\_Harbinson](https://forum.inductiveautomation.com/u/Joseph_Harbinson)\ **Post date:** [March 28, 2024, 12:00pm UTC](https://forum.inductiveautomation.com/t/communication-with-seimens-sinumerik-one-anyone-done-it/88000/3 "2024-03-28T12:00:25Z")
Thank you very much, Joseph Harbinson ---
**Author:** ![Joseph\_Harbinson](https://avatars.discourse-cdn.com/v4/letter/j/58956e/32.png) [@Joseph\_Harbinson](https://forum.inductiveautomation.com/u/Joseph_Harbinson)\ **Post date:** [March 28, 2024, 1:31pm UTC](https://forum.inductiveautomation.com/t/communication-with-seimens-sinumerik-one-anyone-done-it/88000/4 "2024-03-28T13:31:14Z")
May I ask if you know anything about the permissions required to allow Ignition to write to a tag via OPC. We can read data, and have the transaction group set to bidirectional, but can’t write the data regardless of the DB/OPC selection. I don’t know if this is enough to go by, but here are some shots of the error. I’m pretty sure something in the PLC or OPC DB table isn’t set up properly but can’t find it. Thank you for your time, Joseph Harbinson ![OPC Write Error Text.jpg](https://us1.discourse-cdn.com/inductiveautomation/original/3X/6/3/6303acbf647410c0ee88708180aedd30b33a1941.jpeg) ![OPC Write Error.jpg](https://us1.discourse-cdn.com/inductiveautomation/original/3X/0/7/071f184b6d82c6866f8d418499d75f4345e42d19.jpeg) ---
**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\ **Post date:** [March 28, 2024, 1:34pm UTC](https://forum.inductiveautomation.com/t/communication-with-seimens-sinumerik-one-anyone-done-it/88000/5 "2024-03-28T13:34:24Z")
What OPC server are these tags from? Unless the Ignition tag was set to read only for some reason, this error comes from the OPC server, and you'll have to make any permissions changes there. ---
**Author:** ![Joseph\_Harbinson](https://avatars.discourse-cdn.com/v4/letter/j/58956e/32.png) [@Joseph\_Harbinson](https://forum.inductiveautomation.com/u/Joseph_Harbinson)\ **Post date:** [March 28, 2024, 1:57pm UTC](https://forum.inductiveautomation.com/t/communication-with-seimens-sinumerik-one-anyone-done-it/88000/6 "2024-03-28T13:57:33Z")
Thank you, that was my suspicion, but the OPC server belongs to another group, so I can’t look at it. I’ll tell them we know the permission error is on their end and push them. Thank you! So much, Joseph Harbinson