Emerson 54e pH/ORP

MODEL54e pH/ORP SECTION 8.0

TROUBLESHOOTING

FIGURE 8-1. Theoretical pH vs. Millivolt Values at 25°C (77°F)

Contents

Main ESSENTIAL INSTRUCTIONS READ THIS PAGE BEFORE PROCEEDING! Page MODEL 54E PH/ORP MICROPROCESSOR ANALYZER TABLE OF CONTENTS Section Title Page Section Title Page TABLE OF CONTENTS (CONTINUED) Appendix Title Page LIST OF TABLES TABLE OF CONTENTS (CONTINUED) LIST OF FIGURES About This Document SECTION 1.0 DESCRIPTION AND SPECIFICATIONS 1.1 GENERAL DESCRIPTION 1.2 DESCRIPTION OF CONTROLS 7.00 26.2C. 12.0 mA AL1: 0.0 AL2: 14.0 1.3 SPECIFICATIONS PHYSICAL SPECIFICATIONS - GENERAL ANALYZER SPECIFICATIONS @ 25C RECOMMENDED SENSORS: ANALYZER SPECIFICATIONS @ 25C RECOMMENDED SENSORS: 1.4 ORDERING INFORMATION SECTION 2.0 INSTALLATION 2.1 LOCATING THE CONTROLLER 2.2 UNPACKING AND INSPECTION 2.3 MECHANICAL INSTALLATION Page SECTION 3.0 WIRING 3.1 GENERAL 3.2 POWER INPUT WIRING 3.3 ANALOG OUTPUT WIRING 3.4 ALARM RELAYOUTPUT WIRING Page 3.5 pH SENSOR WIRING Page Page 3.6 FINAL ELECTRICAL CHECK Page SECTION 4.0 CALIBRATION INTRODUCTION WARNINGS 4.1 TEMPERATURE CALIBRATION 25.1 C Adjust temp: +025.1 C Temp compensation 25.1 C Adjust temp: 25.1 C 4.2 AUTOMATIC TWO-POINT CALIBRATION Buffer 1 -- Wait Autocal buffer 1 Buffer calibration Buf1 done: 4.01 @25C Buf2 done: 10.01 @25C Auto buffer cal done Autocal buffer 2 4.3 MANUAL TWO-POINT CALIBRATION 10.01 Calibrate point 2 10.01 2-pt calibration done 4.4 SINGLE-POINT pH CALIBRATION Buffer calibration Standardize Standardize: +07.00 pH 7.01 Standardize: 7.01 pH Page 4.7 HOLD MODE 4.8 TRIM OUTPUTS 26.2C 12.0mA Hold Mode Activated Temp compensation pH slope Output trim 22 SECTION 5.0 SOFTWARE CONFIGURATION INTRODUCTION TO CONFIGURATION TABLE5-1. pH Settings List TABLE5-1. pH Settings List (continued) 24 TABLE5-1. pH Settings List (continued) 25 FIGURE 5-1. Outline of Menu Levels 5.1 CHANGING ALARM SETPOINTS Alarm setpoints Output setpoints Simulate tests Alarm 1 setpoint Alarm 2 setpoint Alarm 3 setpoint Alarm High: 14.00pH Setpoint: 07.00 pH Page Page Page 5.4 TESTING OUTPUTS AND ALARMS (continued) Test alarm 1: Open Simulating alarm1 Page 5.5 CHOOSING DISPLAY OPTIONS (CONTINUED) Display left: AL1 Display right: AL2 Display contrast: 5 Display contrast: 5 Timeout: On Timeout Value: 10 min Page Page Fixed Hold: 21.00mA Fault: 22.00mA Output 2 control Output 2 setup Hold feature setup Hold: Disable feature Hold Feature Setup 5.6 CHANGING OUTPUT PARAMETERS (continued) Page Alarm Control Parameters Alarm Setup Parameters (for Normal Alarms only) Activation Method Control Mode Activate: Process Alarm: Low Setpoint: 0.01 pH Delay: 0 sec Hysteresis: 0.01 pH Delay: 0 sec Relay Default: None Alarm Setup Parameters (for TPC Alarms) Setpoint: +07.00 pH Proportional: 100.0% Integral: 0 sec Derivative: 0.0% Time period: 30 sec URV: 2.00 pH URV: 2.00 pH LRV: 0.00 pH Relay default: None Feed Limit Timer Setup Feed limit: Disable Timeout: 3600 sec 26.2C 12.0mA Feed limit alarm 1 Alarm 4 Setup Alarm: Fault Interval Timer Setup Timer: Disable Timer: Time activated Interval: 24.0 hr Repeats: 1 On time: 120 sec Off time: 1 sec On time: 120 sec Off time: 1 sec Recovery: 600 sec FIGURE 5-2. Interval Timer Examples Sequence A: One repeat per cycle 41 Sequence B: Two repeats per cycle Page 5.8 ON-LINE DIAGNOSTICS SETUP (continued) 5.9 AUTO CALIBRATION SETUP Autocal: Standard Stabilize pH: 0.01 pH Stabilize time: 10 sec Diagnostics Auto Calibration 5.9 AUTO CALIBRATION SETUP(continued) TABLE 5-2. Standard Buffers SECTION 6.0 THEORY OF OPERATION 6.1 THE pH SENSOR ASSEMBLY The Glass Electrode The Reference Cell The Temperature Compensation Element 6.3 INTERVALTIMER 6.4 ALARM RELAYS 6.5 TIME PROPORTIONAL CONTROL (TPC) MODE (Code -20) 6.6 NORMAL MODE 6.7 ANALOG OUTPUTS 6.8 CONTROLLER MODE PRIORITY TABLE 6-1. Controller Mode Priority Chart 6.9 PID CONTROL (CODE -20) Page Page Page SECTION 7.0 SPECIAL PROCEDURES AND FEATURES 7.1 PASSWORD PROTECTION Level 1 - 3 Password Privileges 7.2 CONFIGURING SECURITY Alarms Custom Curve Lock all: 000 Lock program: 000 Lock config: 000 7.3 SOLUTION TEMPERATURE COMPENSATION Temp coeff: +.000 Operate iso: +07.00 pH Sensor iso: 07.00 pH Temperature Coeff Temperature sensor Page SECTION 8.0 TROUBLESHOOTING Troubleshooting is easy as 1, 2, 3 TABLE 8-1. Diagnostic Messages Diagnostic Messages Description of problem 59 60 TABLE 8-2. Quick Troubleshooting Guide SYMPTOM ACTION Page Page 8.2 TROUBLESHOOTING GUIDELINES PREAMPLIFIER TROUBLESHOOTING PROCEDURE Page TABLE 8-3. Troubleshooting Guide Table 8-3 is continued on the following page 66 67 TABLE 8-3. Troubleshooting Guide (continued) Table 8-3 is continued on the following page Page 8.3 REPLACEMENT PARTS SECTION 9.0 RETURN OF MATERIAL APPENDIX A ORP CONFIGURATION QUICK STARTUP (ORP) CONFIGURING THE CONTROLLER 72 ITEM CHOICES ORP SETTINGS USER SETTINGS Continued on the following page. PROGRAM LEVEL (Sections A.2 - A.3) CONFIGURE LEVEL (Sections 5.5 - 5.9) ITEM CHOICES ORP SETTINGS USER SETTINGS TABLE A-1. ORPSettings List 73 Page A.1 ORP CALIBRATION Standardize 400 mV Standardize: +0402 mV 400 mV Standardize: 400 mV YES-REFERENCE ORIGINALROSEMOUNT ANALYTICAL ORDER NO. ________________________________________ RETURN OF MATERIALS REQUEST