Siemens PLC
Thread Content
The pressure transmitter shows a question mark; I need expert advice, as shown in the image below
This is a pressure control regulating valve. V represents the valve.
Yes, after the valve at the site operates, the opening degree of this valve cannot be displayed
A quantity was lost, resulting in no signal; the issue has been resolved. Thank you
A quantity was lost, resulting in no signal; the issue has been resolved. Thank you
It shows this on the DCS; it’s most likely that the signal is lost or the reference point here is invalid
No signal input, differential signal.