Scanivalve DSA3217-PTP Series Operation And Service Manual page 81

DSA3200-PTP
9. Check for drifting/unstable sensors
Send the following commands:
SET EU 0
CALZ (wait for the CALZ to complete)
SCAN
Monitor all 16 channels
- All sensor readings should stay stable within 4 counts for 1 minute.
STOP the scan.
10. Check for noisy output
Send the following commands:
SET AVG 4
SCAN
Monitor all 16 channels for 1 minute, watching for any "spiking" data.
- All readings should stay within ±20 counts from the original reading for the duration of the 1 minute test.
11. OPTIONAL Purge test
Apply 90-120 psi to the CTL1 and CTL2 ports
Apply 90-120 psi to the PRGCTL port
Apply the desired purge pressure to the PRG port
- Verify that purge pressure is flowing out of all 16 Px input ports
- Verify that there is no purge pressure flowing out of any other port
At the completion of the test, step the unit out of purge mode:
Remove the purge pressure from the PRG port
Remove the 90-120 psi from the PRGCTL port
Remove 90-120 psi from the CTL1 and CTL2 ports
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Section 6: Maintenance