I have a SMC PAV Module on the field which supplies air pressure of 38.4PSI as required to machine operation.
The output rating of PAV is 0.7 to 70 PSI. Now, I’m using a Beckhoff EL4034 AO module to control the PAV. The AO is -10 to +10VDC and input of PAV is rated at 0 to 10VDC. It works fine as this is a simple scaling.
This PAV also has a feedback (input to PLC) cable which I connected to a Beckhoff EL3102 AI. This AI is -10 to +10VDC rated. And the feedback of PAV is (strangely) rated at +1 to +5 VDC. I can’t properly do the scaling of this in my codes.
In short, I want to monitor running air pressure in PSI in my machine.
Where components are:
AI CARD (EL3102): -10 to +10VDC
SMC PAV (ITV2030-31N2L4): +1 to +5 VDC
SMC PSI Rating: 0.7 to 70 PSI.
How do I do the scaling in my code to monitor the exact air pressure?
The output rating of PAV is 0.7 to 70 PSI. Now, I’m using a Beckhoff EL4034 AO module to control the PAV. The AO is -10 to +10VDC and input of PAV is rated at 0 to 10VDC. It works fine as this is a simple scaling.
This PAV also has a feedback (input to PLC) cable which I connected to a Beckhoff EL3102 AI. This AI is -10 to +10VDC rated. And the feedback of PAV is (strangely) rated at +1 to +5 VDC. I can’t properly do the scaling of this in my codes.
In short, I want to monitor running air pressure in PSI in my machine.
Where components are:
AI CARD (EL3102): -10 to +10VDC
SMC PAV (ITV2030-31N2L4): +1 to +5 VDC
SMC PSI Rating: 0.7 to 70 PSI.
How do I do the scaling in my code to monitor the exact air pressure?