Acromet WG-602 Manual
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Contents
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36Alarm (Dry Contacts), continued4. No Communication with the Colorimeter5. Reagents Close to completion6. No Reagents7. External DisconnectedCommunication Connection8. RS485 Communication Terminal Block17. RS 232 Communication Terminal BlockCommunication Connection9. Free Cl 4mA = 0 20mA = 9.9910. pH 4mA = 0 20mA = 9.9911. ORP 4mA = 0 20mA = 99912. Temp 4mA = 0 20mA = 50°C or 212°F13. NTU 4mA = 0 20mA = 9.9914. Flow Rate 4mA = 0 20mA = 200 m3/hr15. Total Cl 4mA = 0 20mA = 9.9916. Conductivity 4mA = 0 20mA = 2000 uSTroubleshootingThere are a few indicator lights on the 4 to 20 mA module to aid in troubleshooting. The followingconditions are possible:Green LightON – 4 to 20 mA module is poweredOFF – 4 to 20 mA module is not poweredRed LightON – One or more of the outputs is not connected (use jumper wire on unused outputs)Flashing – No communication between 4 to 20 mA module and analyzerOFF – Communication and Outputs are working properly5.5.2 Internal 4 to 20mA OutputInstallationRequired Parts• Internal 4-20mA Module (electronics card)• 250mm Flat Cable (ribbon cable)To complete the installation a 2-wire cable for each output channel/parameter will also be required.Hardware Installation1) Attach the 4 to 20 module to the inside of the control panel door below the control panel module usingthe 4 supplied screws.2) Attach the ribbon cable from the 4 to 20 module to any open connector on the I/O module. |
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