A
Hello,
Pardon me if this topic has been discussed. I did a search and didn't find a specific thread for it. I'll appreciate it if you can direct me to one.
Background:
I was on a site to calibrate a GCV with MKVIe. This was my first time. The customer engineer chose to take the lead on the job. During the polarity check, the valve moved as it should (Open & Close.) However, during null bias measurements, he reported that the servo voltages recorded were positive.
Questions:
1.Can we have correct polarity and still measure a positive voltage value? Or could this have been because the wires had been interchanged?
2. As part of the checks, we're told to look out for smooth movement of the valve. Isn't it enough that the valve responds appropriately to the command (Open and close)?
3. To check the polarity, the customer gave valve commands of +10% and -10%. I thought 100% would have been better. Does this matter?
Thanks!
Pardon me if this topic has been discussed. I did a search and didn't find a specific thread for it. I'll appreciate it if you can direct me to one.
Background:
I was on a site to calibrate a GCV with MKVIe. This was my first time. The customer engineer chose to take the lead on the job. During the polarity check, the valve moved as it should (Open & Close.) However, during null bias measurements, he reported that the servo voltages recorded were positive.
Questions:
1.Can we have correct polarity and still measure a positive voltage value? Or could this have been because the wires had been interchanged?
2. As part of the checks, we're told to look out for smooth movement of the valve. Isn't it enough that the valve responds appropriately to the command (Open and close)?
3. To check the polarity, the customer gave valve commands of +10% and -10%. I thought 100% would have been better. Does this matter?
Thanks!