What to Do If an Error Occurs7-27.1 What to Do If an Error Occurs (Analog Input)7.1.1 Failure in Reading Analog Input Data• Check again that I/O allocations are correct.• Check again the connections of the terminal block.• Check again the configuration settings.7.1.2 Unstable Analog Input Conversion Value• Used a twisted pair shield wire and check that the wire is properly shielded.• Check that the analog input wiring is not placed close to AC lines or high-tension lines orbundled with the lines.• Check that there are no power lines, high-tension lines, high-capacity relays, or noise-generating equipment, such as inverters, close to the analog input unit.7.1.3 No Proper Conversion Values Obtained with Current Input• Check again the connections of the terminal block.• Check again the connections of the output equipment.Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
