Emerson TLC - Manuals

ii MODEL TCL TABLE OF CONTENTS TABLE OF CONTENTS CONT'D. 8.0 CALIBRATION ........................................................................................................ 32 8.1 Introduction .........................................................................................................

MODEL TCL TABLE OF CONTENTS TABLE OF CONTENTS CONT'D. LIST OF FIGURES Number Title Page 1-1 Dimensions of TCL Case ........................................................................................ 6 2-1 Schematic of Sample Conditioning System and Analyzer .................................... ...

1 MODEL TCL SECTION 1 DESCRIPTION AND SPECIFICATIONS SECTION 1. DESCRIPTION AND SPECIFICATIONS • RUGGED molded Noryl 1 (PPO) construction. • NO TOOLS REQUIRED to change membrane. • MAINTENANCE TAKES ONLY A FEW MINUTES a month. 1 Noryl is a registered trademark of General Electric. Model TCL Sample C...

2 MODEL TCL SECTION 1 DESCRIPTION AND SPECIFICATIONS 1.1 FEATURES AND APPLICATIONS MODEL 54eA ANALYZER The Model 54eA analyzer can be used with the TCL sample conditioning system and 499ACL-02 sensor for thecontinuous determination of chlorine in water. The Model 54eA analyzer is housed in a rugged ...

MODEL TCL SECTION 1 DESCRIPTION AND SPECIFICATIONS 1.3 SPECIFICATIONS — MODEL 54e-24 ANALYZER 1.2 SPECIFICATIONS — SAMPLE CONDITIONING SYSTEM 3 GENERAL Enclosure: Fiberglass reinforced polyester, NEMA 3 (IP53) suitable for marine environments Dimensions: 14.5 x 13.0 x 8.6 in. (369 x 329 x 218 mm) Mo...

4 MODEL TCL SECTION 1 DESCRIPTION AND SPECIFICATIONS 1.4 SPECIFICATIONS — MODEL 499ACL-02 SENSOR 1.5 PERFORMANCE SPECIFICATIONS — COMPLETE SYSTEM Wetted Parts: Gold, Noryl ®1 (PPO), Viton ®2 , EPDM, Silicone Dimensions: 1.0 x 5.6 in. (25.4 x 143 mm) Cable: 25 ft. (7.6m) standard Pressure Rating: 0 t...

MODEL TCL SECTION 1 DESCRIPTION AND SPECIFICATIONS 1.6 ORDERING INFORMATION AND ACCESSORIES Model TCL Reagent-Based Chlorine System. The TCL is used for the continuous determination of total chlorine in water. The TCL consists of a sample conditioning system, a reagent carboy, a sensor, and an analy...

6 MODEL TCL SECTION 1 DESCRIPTION AND SPECIFICATIONS ACCESSORIES — Sensor FOR FIRST TIME VARIOPOL INSTALLATIONS PN DESCRIPTION WEIGHT* SHIP WEIGHT* 23501-02 Total Chlorine Membrane, includes one membrane assembly and 1 lb (0.5 kg) 1 lb (0.5 kg) one O-ring 23502-02 Total Chlorine Membrane Kit, includ...

7 SECTION 2. PRINCIPLES OF OPERATION MODEL TCL SECTION 2 PRINCIPLES OF OPERATION Total chlorine by definition is the iodine pro-duced in a sample when it is treated withpotassium iodide at a pH between 3.5 and 4.5.Typically, acetic acid (or vinegar) is used toadjust the pH. The total chlorine analyz...

8 3.1 UNPACKING AND INSPECTION Inspect the shipping containers. If there is damage, contact the shipper immediately for instructions. Save theboxes. If there is no apparent damage, unpack the containers. Be sure all items shown on the packing list are pres-ent. If items are missing, notify Rosemount...

13 MODEL TCL SECTION 4 WIRING SECTION 4. WIRING 4.1 GENERAL WARNING Electrical installation must conform to the National Electrical Code, all state and local codes, and all plantcodes and standards for electrical equipment. Electrical installation and wiring must be done by qualifiedpersonnel. The f...

MODEL TCL SECTION 4 WIRING 4.3 MAKE POWER, ALARM, OUTPUT AND SENSOR CONNECTIONS IN THE ANALYZER Refer to Figure 4-2. Make power and alarm connections on TB3. Make analog output wiring connections on TB2. Foraccess to power and alarm terminals, loosen the screw holding the protective cover in place a...

MODEL TCL SECTION 5 START-UP SECTION 5. START-UP 5.1 PREPARE THE REAGENT 1. DO NOT PREPARE THE SOLUTION UNTIL READY TO USE. 2. Position the blue plastic carboy under the sample conditioning cabinet. Unscrew the cap and reagent tubeassembly. 3. Add the potassium iodide reagent to the carboy. See the ...

18 18 MODEL TCL SECTION 6 DISPLAY AND OPERATION SECTION 6. DISPLAY AND OPERATION 6.1 GENERAL DESCRIPTION The 54eA analyzer/controller is a single input, dual out-put instrument. Figure 6-1 shows how the instrumentinputs and outputs can be configured for total chlorine. In addition to PID control, th...

19 MODEL TCL SECTION 7 SOFTWARE CONFIGURATION SECTION 7. SOFTWARE CONFIGURATION The instrument is configured at the factory to measure oxygen. To change the measurement to totalchlorine, see Section 7.5. Figure 7-1 is an outline of the menu structure. Table 7-1 lists the default settings and the ran...

7.1 CHANGING ALARM SETPOINTS 2. Press any key to enter the main menu. Move the cursor to "Program" and press Enter (F4). 3. Press Enter (F4). 4. Move the cursor to the desired alarm and press Enter (F4). 5. The screen appearing at this point depends on how the alarm was configured. 6. If the...

26 MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.2 RANGING THE OUTPUTS 2. Press any key to enter the main menu. Move the cursor to "Program" and press Enter (F4). 3. Move the cursor to "Output setpoints" and press Enter (F4). 4. Move the cursor to the desired output and press Enter (F...

MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.3 CHANGING OUTPUT SETPOINTS (PID ONLY) 2. Press any key to enter the main menu. Move the cursor to "Program" and press Enter (F4). 3. Move the cursor to "Output setpoints" and press Enter (F4). 4. Move the cursor to the desired output and ...

28 MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.4 TESTING OUTPUTS AND ALARMS 2. Press any key to enter the main menu. Move the cursor to "Program"and press Enter (F4). 3. Move the cursor to "Simulated tests" and press Enter (F4). 4. Move the cursor to the desired output or alarm. Bot...

Output setpointsSimulated tests Configure Exit Enter MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.5 CHOOSING DISPLAY OPTIONS 3. Press any key to enter the main menu. Move the cursor to "Program"and press Enter (F4). 4. Move the cursor to "Configure" and press Enter (F4). 5. With the ...

MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.6 CHANGING OUTPUT PARAMETERS 3. Press any key to enter the main menu. Move the cursor to "Program"and press Enter (F4). 4. Move the cursor to "Configure" and press Enter (F4). 5. Move the cursor to "Outputs" and press Enter (F4). 6...

32 MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.6 CHANGING OUTPUT PARAMETERS (continued) main sensor (total chlorine). Press Save (F4) to store the selec-tion. e. The display returns to the “Output: Process” screen. Press Exit(F1). The display returns to the “Output Measurement” screen.Move the curs...

MODEL TCL SECTION 7 SOFTWARE CONFIGURATION Proportional: Proportional is the same as proportional band and is the range over which control is being used. It is the opposite ofprocess gain. Smaller values provide tighter control. Integral: Integral is the number of seconds over which devia- tions fro...

34 MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.7 CHANGING ALARM PARAMETERS 3. Press any key to enter the main menu. Move the cursor to "Program"and press Enter (F4). 4. Move the cursor to "Configure" and press Enter (F4). 5. Move the cursor to "Alarms" and press Enter (F4). ...

MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.7 CHANGING ALARM PARAMETERS (continued) c. To change the activation method, press Edit (F4). Use the key to scroll through the choices: "Process" or "Temperature"."Process" means the total chlorine measurement. Press Save(F4) to st...

Feed limit : Disable Timeout: 3600 sec Exit Edit 1.000 ppm 26.2°C 12.0mA F e e d l i m i t a l a r m 1 MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.7 CHANGING ALARM PARAMETERS (continued) Example: The setpoint is 3.00 ppm. The URV is +5.00 ppm and the LRV is 0.00 ppm. The time period is 30 seconds. ...

MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.7 CHANGING ALARM PARAMETERS (continued) 11. Interval timer setup: Alarm 1, 2, or 3 can be used as an interval timer. The selected relay willopen and close at time intervals programmed by the user. The intervaltimer is useful for automatic cleaning of sens...

Temp comp : Auto Temp units: °C Exit Edit Temp comp: ManualTemp units: °C Temperature : 25.0°C Exit Edit MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.8 TEMPERATURE COMPENSATION AND TEMPERATURE UNITS 1. Refer to Section 8.1 for a discussion of the ways in which temperature affects the total chlorine ...

40 Noise rejection : 60 Hz Exit Edit MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.9 NOISE REDUCTION 1. For maximum noise reduction the frequency of the ac power must be entered into the analyzer. Temperature Noise rejection Main sensor cal Exit Enter 2. Press any key to enter the main menu. Move the...

Stabilize : 0.050 ppm Stabilize time: 10 sec Exit Edit Stabilize: 0.050 ppmStabilize time: 10 sec Dual range cal : Disable Exit Edit Stabilize: 0.050 ppmStabilize time: 10 sec Exit Edit MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.10 MAIN SENSOR CALIBRATION PARAMETERS 1. Main sensor refers to the to...

42 MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.11 SECURITY 1. The controller can be programmed to require a password for access to menus. There are three levels: Level 1: A level 1 user can 1. Zero and calibrate the total chlorine sensor 2. Change temperature compensation from automatic to manual a...

MODEL TCL SECTION 7 SOFTWARE CONFIGURATION 7.12 CONTROLLER MODE PRIORITY The Model 54eA controller can function in differentmodes depending on both how it is configured, whatprocess conditions exist, and actions an operator mayhave made. To reconcile these possible modes, there isa set priority that...

44 MODEL TCL SECTION 8 CALIBRATION - TEMPERATURE SECTION 8 CALIBRATION - TEMPERATURE 8.1 INTRODUCTION As explained in Section 2, the total chlorine sensor really measures iodine. The iodine is formed by the reactionbetween total chlorine in the sample and the acetic acid/iodide reagent continuously ...

8.2 TEMPERATURE CALIBRATION MODEL TCL SECTION 8 CALIBRATION - TEMPERATURE 2. From the main display, press any key. With the cursor on “Calibrate,”press Enter (F4). NOTE If Hold was enabled in Section 7.6, the hold screen will appear.To activate hold, refer to Section 7.6, step 11. 3. Press the key t...

46 MODEL TCL SECTION 9 CALIBRATION - TOTAL CHLORINE SECTION 9 CALIBRATION - TOTAL CHLORINE 9.1 INTRODUCTION The continuous determination of total chlorine requires two steps. See Figure 9-1. First, the sample flows into aconditioning system (Model TCL) where it is treated with acetic acid (vinegar) ...

1. Place the sensor in a beaker of dionized water. 2. Let the system run until the sensor current is stable. The sensor current will drop rapidly at first and then grad-ually reach a stable zero value. To monitor the sensor current, go to the main display. Press any key to obtainthe main menu. Press...

48 1. If the sensor was just zeroed, place the sensor back in the flow cell. Confirm that excess sample is flowing down the inside tube of the overflow sampler. Also, verify that reagent is being delivered to the sample and the air pump is working. 2. Adjust the chlorine concentration until it is ne...

MODEL TCL SECTION 9 CALIBRATION - TOTAL CHLORINE 9.4 DUAL SLOPE CALIBRATION Figure 9-3 shows the principle of dualslope calibration. Between zero and con-centration C1, the sensor response islinear. When the concentration of chlo-rine becomes greater than C1, theresponse is non-linear. In spite of t...

50 MODEL TCL SECTION 9 CALIBRATION - TOTAL CHLORINE 7. Once the reading is stable, the screen at left appears. Sample the process liquid. Make a note of the reading before takingthe sample. Immediately determine total chlorine. Note the controllerreading again. If the present reading (X) differs fro...

MODEL TCL SECTION 10 CALIBRATION - CURRENT OUTPUTS SECTION 10 CALIBRATION - CURRENT OUTPUTS 10.1 INTRODUCTION Although the controller outputs are calibrated at the factory, they can be trimmed in the field to match the readingfrom a standard current meter. Both the low output (0 or 4 mA) and the hig...

52 MODEL TCL SECTION 11 PID AND TPC CONTROL SECTION 11 PID AND TPC CONTROL 11.1 PID CONTROL (CODE -20) PID Control The Model 54eA current outputs can be programmedfor PID control. PID control is used with a controldevice that is capable of varying its output from 0 to100 percent in response to a cha...

MODEL TCL SECTION 11 CALIBRATION - CONTROL 11.2 TIME PROPORTIONAL CONTROL (TPC) MODE (Code -20) In the TPC mode, you must establish the followingparameters which will determine how the Model54eA controller responds to your system (seeSection 7.7): • Setpoint • Time period • URV point (or 100% on) • ...

MODEL TCL SECTION 12 MAINTENANCE SECTION 12 MAINTENANCE Location inFigure 12-1 PN Description 1 33281-00 Hinge pin 2 23849-00 Half shield for power supply 3 23848-00 Shield for power supply circuit board 4 23969-02 CPU and power supply boards, calibrated, 115/230 Vac (note) 4 23969-06 CPU and power ...

58 MODEL TCL SECTION 12 MAINTENANCE FIGURE 12-2. Detail of Front Panel of 54eA Controller 12.2 TOTAL CHLORINE SENSOR 12.2.1 General When used in clean water, the total chlorine sensorrequires little maintenance. Generally, the sensorneeds maintenance when the response becomes slug-gish or noisy or w...

60 MODEL TCL SECTION 12 MAINTENANCE FIGURE 12-4. Replacing Reagent Tubing 12.3 SAMPLE CONDITIONING SYSTEM 12.3.1 Reagent The sample conditioning reagent lasts about 2 months. Before putting fresh reagent in the carboy, discard anysmall amount of remaining reagent. To prepare the reagent refer to the...

MODEL TCL SECTION 13 TROUBLESHOOTING SECTION 13. TROUBLESHOOTING 13.1 OVERVIEW The Solu Comp II continuously monitors itself and the sensor for faults. When the analyzer detects a fault, theword fault appears in the display alternately with the measurement. If alarm 3 was configured as a fault alarm...

68 MODEL TCL SECTION 13 TROUBLESHOOTING 13.3 TROUBLESHOOTING WHEN NO ERROR MESSAGE IS SHOWING 13.3.1 Zero current is too high A. Is the sensor properly wired to the analyzer? See Section 4.3. B. Is the zero solution chlorine free? Take a sample of the zero solution and test it for total chlorine. Th...

71 MODEL TCL SECTION 13 TROUBLESHOOTING 13.3.6 Readings are too high A. Is the sample conditioning reagent clear and colorless? If the reagent is pale yellow, results will be high. The pale yellow color is caused by iodine, which comes from the reaction between atmospheric oxygen and potas-sium iodi...

72 MODEL TCL SECTION 13 TROUBLESHOOTING Temp. (°C) Pt 100 ( Ω ) 0 100.0 10 103.9 20 107.8 25 109.7 30 111.7 40 115.5 50 119.4 60 123.2 70 127.1 80 130.9 85 132.8 90 134.7 100 138.5 13.5 SIMULATING TEMPERATURE 13.5.1 General. The 54eA controller accepts either a Pt100 RTD (for pHand chlorine sensors)...

MODEL TCL SECTION 14 RETURN OF MATERIAL SECTION 14 RETURN OF MATERIAL 14.1 GENERAL. To expedite the repair and return of instruments, proper communication between the customer and the factory isimportant. Before returning a product for repair, call 1-949-757-8500 for a Return Materials Authorization...