Hach sc200 User Manual

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Problem ResolutionSensor not recognized1ote ([aPple of possiEle displayPessageIf the sensor is an analog sensor and acorresponding module is installed in thecontroller, refer to the instructions suppliedwith the Network or Sensor Module.Make sure the digital connector wiringharness is seated on the inside of the doorassembly and that the wiring harness is notdamaged.If the digital sensor is connected to thecontroller with a digital termination box, usersupplied junction box, digital extensioncables, or a user-supplied extension cable,connect the sensor directly to the controllerand perform a device scan. If the controllerrecognizes the sensor, check that all thewiring in the junction boxes or extensioncables is correct.Make sure that only two sensors are installedin the controller. Although two analog moduleports are available, if a digital sensor and twoanalog modules are installed, only two of thethree devices will be seen by the controller.Contact Technical SupportDevice Missing error messageappearsPerform a Device Scan from theTest/Maintenance menu.Power cycle the controllerTest and Maintenance menu1. From the Settings Menu, select Test/Maint and push ENTER.Option DescriptionScan devices Performs a scan for active and missing devices.Option DescriptionOutput cal Output 1 Output 2Lets the user calibrate the 4–20 mA outputs with a250 ohm resistor in series to the mA output terminals.The settings for each output are adjusted until thecorrect value (4 mA or 20 mA) is supplied.Calibrate 4 mA output (Min: 0 Max: 25000)Calibrate 20 mA output (Min: 35000 Max: 65533)Hold outputs Sets the value the controller sends to an externalsystem for a defined period of time. After the timeperiod, the instrument goes back to reporting real timevalues.Set activation—Launch or releaseSet Outmode—Hold Outputs (default) or TransferOutputsSet Channels—All (default) or select from hardwarelistTest output Output 1 Output 2Lets the user select a mA value that is sent by thecontroller for verification.Min: 0 mA (default +04.00)Max: 25.00 mAStatus View status of all modules, sensors and relays.Test relay²A, B,C, DEnergize or De-energize the selected relayOverfeed reset Resets the Overfeed Timer.Reset defaultconfigResets the controller configuration settings to thedefault values (language, date and time, relay functionand data output function).Restart sc200 Performs a controller restart44 (nglisK