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Versadac AI8-mA Strip/Module Issue


We are using AI8 module with mA terminal units for the data acquisition units in Versadac for pressure monitoring and recording.

Currently while commissioning of the system we observed for some of the AI8-mA modules and terminal strips as below.

1. We have given source DC 4-20mA input to versadac from calibrated Yokogawa source.

2. Checked Electrical low and Electrical high values in versadac in iTools software and found as:
for 4mA from source observed Electrical value in iTools is 4.06mA
for 20mA from source observed Electrical value in iTools is 20.27mA - 20.30mA

3. We observed this issue with around 6-8 module/terminal units.

Request you to please suggest further troubleshooting options and further line of action.

Sujit Jejurkar
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