Emerson 54e pH/ORP instruction manual Replacement Parts, Part Number Description

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MODEL 54e pH/ORP		SECTION 8.0
		TROUBLESHOOTING
8.3 REPLACEMENT PARTS

	PART NUMBER	DESCRIPTION

23540-05		Enclosure, Front with Keyboard

23848-00		Power Supply Circuit Board Shield

23849-00		Half Shield, Power Supply

23854-00		PCB, CPU for Back-lit Display

23969-00		PCB, Calibrated board set, 115/230 Vac

23969-04		PCB, Calibrated board set, 24 Vdc

33281-00		Hinge Pin

33286-00		Gasket, Front Panel

33293-00		Enclosure, Rear

9010377		Back-lit Display, LCD Dot Matrix

9510048		Enclosure Conduit Plug, 1/2 inch

NOTE: Individual printed circuit boards cannot be ordered for Model 54e. Replacement boards for Model 54e are assembled and calibrated as an integrated board stack.

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Contents Model 54e pH/ORP PH/ORP Hart Analyzer/ControllerElectrical Shock Hazard Essential InstructionsPage Description and Specifications Model 54E PH/ORP Microprocessor AnalyzerSection Title Appendix Title List of TablesTable No Title About This Document Table of Contents List of FiguresSection Description and Specifications General DescriptionDescription of Controls Current Outputs Specifications Physical Specifications GeneralPower Relative Humidity 95%, non condensing AlarmsRecommended Sensors Analyzer Specifications @ 25COrdering Information Code OptionsPart NO. Description Unpacking and Inspection Section InstallationMechanical Installation Locating the ControllerPanel Mounting Alarm Relay Output Wiring Section WiringPower Input Wiring Analog Output Wiring454EPH02 PH Sensor Wiring PH Sensor CompatibilityTions will Result in Controller MALFUNC- Tion 454EPH01 Cable Dressing Final Electrical Check Wiring to Model Introduction Section CalibrationHold Mode Off Adjust temp 25.1 CTemperature Calibration Autocal buffer Buffer 1 -- WaitAutomatic TWO-POINT Calibration Auto buffer cal done Use the arrow keys to select the correct bufferCalibration Notes Manual TWO-POINT Calibration Calibrate pointPt 04.00pH 25C Pt calibration doneSINGLE-POINT pH Calibration Standardize 7.01 pH59.16 mV/pH Temperature Compensation OptionsTemp comp Auto Output trimHold Mode Output trimTrim Outputs PH Settings List Section Software ConfigurationRanges Factory Settings User Settings Diagnostics Section Outline of Menu Levels Setpoint 07.00 pH Alarm High 14.00pHChanging Alarm Setpoints Simulate testsChanging Output Setpoints PID only Setpoint 7.00 pH4mA 0.00 pH 20mA 2.00 pH Setpoint + 06.90 pHMA +00.00 pH OutputOutput MA 0.00 pH 20 mA 14.00 pH Output 1 12.00 mASimulated tests Alarm setpoints Output setpointsTest output Test alarm Testing Outputs and AlarmsTest alarm 1 Open Test alarm 1 OpenMeasure pH Display right AL2Security Caution Display contrast Timeout OnOutput Control Parameters Control ModeDisplay Changing Output ParametersFault 22.00 mA Range 4-20 mAlRange 4-20 mA Hold Disable feature Fault 22.00mAOutput 2 control Output 2 setup Hold feature setupAlarms Alarm 3 controlInterval timer Relay Default None Alarm LowSetpoint 0.01 pH Delay 0 sec Hysteresis 0.01 pH Delay 0 secURV 2.00 pH Relay default NoneSetpoint +07.00 pH Time period 30 secAlarm 4 Setup Alarm FaultFeed limit Disable Timeout 3600 secTimer Disable Recovery 600 secOn time 120 sec Interval Timer Examples Diagnostics Diagnostics OffZero offset 60 mV Stabilize pH 0.01 pH Stabilize time 10 sec DiagnosticsAuto Calibration Setup Autocal StandardStandard Buffers Auto Calibration SetupSection Theory of Operation Continuous Sensor DiagnosticsInterval Timer Typical set pointsSee .8 for instructions on chang- ing these setpoints Time Proportional Control TPC Mode Code Alarm RelaysAnalog Outputs Normal ModeAction Definitions Controller Mode PriorityController Mode Priority Chart Condition DefinitionsMeasurement and Set Point Feedback Control PID Control Mode CombinationsPID Control Code PID ControlProportional Mode Gain Proportional Gain Plus Integral ResetControl Loop Adjustment and Tuning Process Reaction Curve Process Reaction Curve MethodPID Control Section Special Procedures and Features Password ProtectionLevel 1 3 Password Privileges Lock all Configuring SecuritySecurity Custom CurveSolution Temperature Compensation Temp coeff +.000Sensor iso 07.00 pH Operate iso +07.00 pH Troubleshooting is easy as 1, 2, 3… Section TroubleshootingDiagnostic Messages Description of problem Diagnostic MessagesSymptom Action Quick Troubleshooting GuideDiagnostic Variables Theoretical pH vs. Millivolt Values at 25C 77F Ohms Ambient Temperature Troubleshooting GuidelinesTemperature Compensation Circuit Troubleshooting ProcedurePreamplifier Troubleshooting Procedure Preamp in a junction box FigureController preamp check Figure Junction Box Preamplifier Check No Power Troubleshooting GuideCoated glass electrode Clean with soft cloth and clean water Password protected Part Number Description Replacement PartsGeneral Warranty RepairNON-WARRANTY Repair Section Return of MaterialQuick Startup ORP Appendix a ORP ConfigurationItem Choices ORP Settings User Settings Table A-1. ORP Settings ListDiagnostics Section Choices ORP Settings User SettingsSimulated tests Output setpointsORP Calibration Standardize 400 mVSensor or Circuit Board only Return of Materials RequestReturn of Material WarrantySpecifications subject to change without notice

8.3 REPLACEMENT PARTS

PART NUMBER

DESCRIPTION