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MODEL 54e pH/ORP

SECTION 8.0

TROUBLESHOOTING

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

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Содержание 54E

Страница 1: ...Model 54e pH ORP pH ORP HART Analyzer Controller Instruction Manual 510054EpH February 2001 FREE EXTENDED WARRANTY See offer at back of manual ...

Страница 2: ...edures can affect the product s performance and place the safe operation of your process at risk Look alike substitu tions may result in fire electrical hazards or improper operation Ensure that all equipment doors are closed and protec tive covers are in place except when maintenance is being performed by qualified persons to prevent elec trical shock and personal injury Rosemount Analytical Inc ...

Страница 3: ......

Страница 4: ...rm Relay Output Wiring 7 3 5 pH Sensor Wiring 9 3 6 Final Electrical Check 12 4 0 CALIBRATION 13 4 1 Temperature Calibration 14 4 2 Automatic Two Point Calibration 15 4 3 Manual Two Point Calibration 17 4 4 Single Point pH Calibration 18 4 5 Compensation Options 19 4 6 pH Slope Adjustment 19 4 7 Hold Mode 20 5 0 SOFTWARE CONFIGURATION 21 5 1 Changing Alarm Setpoints 25 5 2 Changing Output Setpoint...

Страница 5: ... 8 Controller Mode Priority 48 6 9 PID Control 49 7 0 SPECIAL PROCEDURES AND FEATURES 53 7 1 Password Protection 53 7 2 Configuring Security 54 7 3 Solution Temperature Compensation 55 8 0 TROUBLESHOOTING 57 8 1 Displaying Diagnostic Variables 60 8 2 Troubleshooting Guidelines 62 8 3 Replacement Parts 68 9 0 RETURN OF MATERIALS 69 Appendix Title Page A ORP CONFIGURATION 70 ii MODEL 54e pH ORP TABL...

Страница 6: ...nds Directly to Analyzer 12 3 7 Wiring for Sensors without Solution Grounds to a Junction Box 12 5 1 Outline of Menu Levels 24 5 2 Interval Timer Examples 40 6 1 Time Proportional Control 46 6 2 The Process Reaction Curve 51 8 1 Theoretical pH vs Millivolt Values at 25 C 77 F 61 8 2 Junction Box Preamplifier Check 64 8 3 Controller Preamplifier Check 64 A 1 Outline of Menu Levels for ORP 73 LIST O...

Страница 7: ...er Pressing Enter will access sub menus while pressing Edit allows changing values and Save stores the values in memory Esc can be used to abort unwanted changes Exit returns to the previous screen Other labels may appear for more specialized tasks The up J and down keys are used to 1 Move the cursor shown in reverse video up and down on the menu screens 2 Scroll through the list of options availa...

Страница 8: ...emperature glass impedance or reference impedance Output 2 pH ORP temperature glass impedance or reference impedance Each output is galvanically isolated 0 20 mA or 4 20 mA into 600 ohms maximum load at 115 230 Vac or 24 Vdc Code 02 or 550 ohms maximum load at 100 200 Vac Output 1 includes digital signal 4 20 mA superimposed HART Code 09 only RFI EMI EN 50081 2 EN 50082 2 LVD Code 01 only EN 61010...

Страница 9: ...rature Compensation Pt 100 or Pt 1000 RTD Automatic or Manual 15 to 120 C 5 to 248 F RECOMMENDED SENSORS Model 320HP High Purity pH Model 328A Steam Sterilizable pH Model 370 EuroSenz pH Model 371 Disposable pH Model 381 Insertion Submersion Flow Through pH Model 389 Disposable pH Model 396 Disposable pH Model 396VP Disposable pH with VP 6 0 connector Model 396P Disposable pH Model 396R Retractabl...

Страница 10: ...nd four relays The analyzer can measure pH or ORP as configured by the user For ISE capability please consult the factory CODE OPTIONS 01 115 230 VAC 50 60 Hz Power 02 24 VDC Power MODEL 54e pH ORP MICROPROCESSOR ANALYZER CODE OPTIONS 09 HART Communications Protocol 20 Controller Outputs PID and TPC ACCESSORIES PART NO DESCRIPTION 2002577 Wall and two inch pipe mounting kit 23545 00 Panel mounting...

Страница 11: ... there is evidence of damage notify the carrier im mediately If parts are missing contact Rosemount Analytical customer support 2 3 MECHANICAL INSTALLATION 2 3 1 Mounting the Controller The Model 54e pH ORP controller may be supplied with a mounting bracket accessory If you use the mounting bracket on wall or pipe installations avoid mounting on pipes which vibrate or are close to the process The ...

Страница 12: ...nsert the instrument enclosure through the front of the panel cutout and align the panel mounting brackets as shown 2 Insert two mounting bracket screws through each of the two mounting brackets and into the tapped holes in the rear of the controller enclosure and tighten each screw 3 Insert four panel mounting screws through each hole in the mounting brackets Tighten each screw until the mounting...

Страница 13: ...tput wiring consists of two 4 20 mA sig nals output one from terminals 4 and 5 output 2 from 1 and 2 on TB2 as shown in Figure 3 1 These signals can be used for chart recorder computer monitoring or PID control output The analog outputs can be pro grammed for 4 20 mA or for 0 20 mA direct or reverse acting Current output 1 includes superimposed HART code 09 only 3 4 ALARM RELAY OUTPUT WIRING The c...

Страница 14: ...8 MODEL 54e pH ORP SECTION 3 0 WIRING FIGURE 3 1 Power Input and Relay Output Wiring for Model 54e pH ORP DWG NO REV 454EPH02 C ...

Страница 15: ...y be possible on the glass electrode side of the sensor When extending cable the junction box with preamp P N 23555 00 must be used See Figure 3 7 for wiring details 3 5 pH SENSOR WIRING Be sure that the pH sensor has been properly installed and mounted Wire the sensor to the junction box if so equipped and or Model 54e pH ORP according to Figures 3 5 through 3 7 or use the wiring diagram drawing ...

Страница 16: ...MODEL 54e pH ORP SECTION 3 0 WIRING 10 FIGURE 3 3 Sensor Wiring Diagram DWG NO REV 454EPH01 B ...

Страница 17: ...an insulated wire to the braid 2d Strip the black conductive sheath 1 in to expose the colored orange or gray cable inside 2e Insulate the exposed black sheath and braid area to prevent shorts 3 Strip in of insulation on each conductor for terminal mounting Insulate the exposed foil shields with heat shrink sleeves or electrical tape Be sure that heat shrink overlaps the exposed metal end where th...

Страница 18: ...mp and other external devices until the controller is checked out programmed and calibrated FIGURE 3 7 Wiring for Sensors Without Solution Grounds to a Junction Box Models 389 02 54 396 54 399 09 NOTES 1 Interconnecting wire maximum length is 500 ft Use PN 9200273 no substitutes Shields must be insulated from each other at all cable ends Connect to junction box as shown 2 If distance to controller...

Страница 19: ...s to 25 C 77 F This compensates for temperature related changes in the response of the glass pH electrode which would affect the pH measurement The pH temperature com pensation does not account for changes in chemical activity which affect the actual pH value of the solution being measured See Section 7 0 for information on solution temperature compensation To ensure the controller s accuracy it i...

Страница 20: ...system The message Hold Mode Activated will always be displayed when the con troller is in hold To leave the hold mode in it s current state press Cont F3 Press the ê arrow key twice to bring up the screen to the left and then press Enter F4 NOTE To verify that the controller is using automatic temperature com pensation highlight the Temp compensation menu item and press Enter F4 For more details ...

Страница 21: ... 7 00 and 10 01 pH and a stabilization check The stabilization feature eliminates errors caused by changes in temperature and response time of the glass electrode To change these settings refer to Section 5 9 1 From the main display press any key to obtain the main menu With the cursor on Calibrate press Enter F4 With the cursor on Buffer calibration press Enter F4 again NOTE The hold mode screen ...

Страница 22: ...n Use the arrow keys to select the correct buffer and press Cont F3 If the correct buffer does not appear refer to Section 5 9 and select a buffer group that includes the desired buffers As usual to cancel the calibration press Abort F1 This completes the calibration The controller has now recalculated the slope and the zero offset of the sensor CALIBRATION NOTES 1 A two point calibration should a...

Страница 23: ...ratures are written on the label of most buffer bottles 4 Press Pt 2 F3 to enter Buffer 1 into memory and proceed to buffer 2 pt 2 calibration NOTE Press Abort F1 to cancel buffer calibration and return to the cal ibration menu 5 Remove the sensor from buffer 1 and rinse in water 6 Place the pH sensor into a beaker containing the second buffer solu tion 7 Allow the pH and temperature to stabilize ...

Страница 24: ...matic temperature com pensation determine the pH of the process or grab sample as close to actual process temperature as possible Continue with this pro cedure if an adjustment is needed 3 From the main display press any key to obtain the main menu With the cursor on Calibrate press Enter F4 NOTE The Hold Mode screen may appear if the feature was enabled in section 5 6 Changing the Hold Mode to ON...

Страница 25: ...ove Press Save F4 to save the change Esc F3 will cancel the change NOTE When the temperature compensation setting is manual all tem perature specific faults are disabled The slope of the glass electrode is normally calculated during buffer cal ibration It can however be entered directly if known using this proce dure A new electrode has a slope of about 59 mV pH but as it ages the slope will decre...

Страница 26: ...or from the process press any key and then Enter F4 When the hold mode has been enabled the hold mode screen on the left will appear prior to calibration To continue without putting the controller in hold simply press Cont F3 To put the controller in hold press Edit F4 use the arrow key to change the Off to On and press Save F4 NOTE When the Hold Mode is activated On Hold Mode Activated will alway...

Страница 27: ...high action 0 14 pH 14 00 pH _______ 3 Alarm 3 high action 0 14 pH 14 00 pH _______ B Output Setpoints Section 5 1 5 3 1 Output 1 4 mA 0 14 pH 0 00 pH _______ 2 Output 1 20 mA 0 14 pH 14 00 pH _______ 3 Output 2 4 mA 15 130 C 0 0 C _______ 4 Output 2 20 mA 15 130 C 100 0 C _______ CONFIGURE LEVEL Sections 5 5 5 9 A Display Section 5 5 1 Measurement type pH ORP Redox pH _______ 2 pH Resolution 0 01...

Страница 28: ...Temp Process _______ b Alarm 1 Control Mode Normal TPC Normal _______ 2a Alarm 1 Setup Normal a Configuration Low alarm High alarm Off Low _______ b Hysteresis deadband 0 5 00 pH 0 01 pH _______ c Delay Time 0 99 sec 0 sec _______ d Relay Fault Open Closed None None _______ 2b Alarm 1 Setup TPC a Setpoint 2 to 16 pH or 15 to 130 C 7 pH _______ b Proportional 0 299 9 100 0 _______ c Integral 0 2999...

Страница 29: ...ecurity _______ 2 Glass Imp edance High Setpoint 0 2000 MOhms 0 disables 000 no security _______ 3 Glass Imp edance Low Setpoint 0 900 MOhms 0 disables 4 Ref erence Imp edance High 0 140 KOhms 0 disables 000 no security _______ 5 Zero Offset 0 999 mV 0 disables 000 no security _______ 6 Cal ibration Warn ing 0 500 0 disables 7 Imped ance Temperature Comp ensation On Off 000 no security _______ E A...

Страница 30: ...over Program and Enter F4 then place cursor over Configure and Enter F4 This level contains advanced selections such as alarms diagnostics autocal and others 24 FIGURE 5 1 Outline of Menu Levels PRESS TWO ARROWS and then ENTER PRESS ENTER PRESS ARROWS PRESS ARROWS PRESS ARROWS PRESS ARROWS PRESS ENTER Calibrate Diagnostic variables Program Exit Enter Alarm setpoints Output setpoints Simulated test...

Страница 31: ...ow changing the setpoint once the F4 key has been pressed If the setpoint is ok then press Exit F1 After the Edit F4 key is pressed use the arrow keys to change the display to the desired setpoint and press Save F4 to enter into memory The plus sign can be changed to a minus sign by press ing the down arrow key when the is highlighted To abort the change press Esc F3 to return to the previous menu...

Страница 32: ...lue 4 mA is the deviation from setpoint that will result in a 4 mA out 20 mA is the deviation from setpoint that will result in a 20 mA set point Highlight the desired item and press Edit and the arrow keys to change the display to the new value Example A setpoint of 6 pH with a URV of 2 and a LRV of 0 0 pH When the pH is 7 the output will be 7 6 2 0 50 of range 12 mA If the setpoint is changed to...

Страница 33: ...Abort F1 This screen allows changing the setpoints for output 1 A similar screen is available for output 2 The live current output now being transmitted by the controller is shown on the third line 4 Press Edit F4 to make changes in the setpoints The Edit key changes to a Save key and the F3 key becomes active as an Esc key Use the arrow keys to make the display read the desired values for the hig...

Страница 34: ...be changed by the fol lowing action Be sure to alert plant personnel that these changes are simulated and do not represent a change in the actual process Press Enter to continue or Abort to cancel the simulation 3a The output is now being simulated In the example to the left output 1 has been set to 10 00 mA The output will remain at 10 00 mA until either Exit or Edit see below is pressed or the t...

Страница 35: ...es the alarm would go back to normal operation and the display will return to the main menu To configure the timeout option see Section 5 5 If the displayed alarm action is not as desired press the Edit key and the next screen will allow changing it Use the arrow keys to change the display as needed and press Test to enter the change Press Esc to cancel the change in the value and con tinue simula...

Страница 36: ...ram and press Enter From the program menu move the cursor down using the arrow key to highlight Configure and press Enter The first configuration menu is displayed With the cursor on Display press Enter 2 Menu Item Options Measure pH ORP Redox Resolution pH only 0 01pH 0 1pH Temperature units C F The values now being used by the controller are displayed To change any of these items use the arrow k...

Страница 37: ...enter the change into memory Press Esc to abort 5 The timeout feature works on both the display and simulated tests using the current outputs and alarm relays The display timeout will return the display to the main display screen from any other screen if no key is pressed before the timeout value This is useful because the main display screen is usually the most important screen to the operator Th...

Страница 38: ...o select another header use the arrow keys The bottom menu header will only be highlighted if the end of the menu has been reached NOTE Always configure the control parameters BEFORE mak ing changes in the output setup Changes in the output setup in step 4 will depend on the options that have been selected in step 3 3 Menu Item Options Output Measurement Process Temperature Ref Impedance Glass Imp...

Страница 39: ...fixed value between 0 and 22 mA 4b Menu Item Options Setpoint 2 to 16 pH 1400 mV ORP Redox 15 to 120 C Temp 0 140 kΩ Ref Imp 0 2000 MΩ Glass Imp Proportional 0 299 9 Integral 0 2999 sec Derivative 0 299 9 The four parameters above are only available for outputs that have been configured as PID outputs in step 3 These parameters can be adjusted using the same technique as in step 4a by highlighting...

Страница 40: ...nd is specifically configured in step 4 The controller starts out with the hold feature turned off disabled To enable the Hold feature obtain the screen to the left with the hold feature setup highlighted see steps 1 and 2 for exact instructions Press Enter and the screen below will appear Press the Edit key to enable changes Options include Disable Enable and 20 minute timeout When 20 minute time...

Страница 41: ...menu has been reached NOTE Always configure the control parameters BEFORE mak ing changes in the alarm setup Changes in the output setup in step 4 will depend on the options that have been selected in step 3 Alarm Modes Normal Alarm turns on when setpoint is exceeded and turns off when the reading no longer exceeds the setpoint simple high alarm example Fault Alarm turns on when controller detects...

Страница 42: ... 200 C Hysteresis 2 00 to 20 00 pH 0 to 10 C Delay 0 99 sec Relay default None Close Open These parameters can be adjusted by highlighting the desired item and pressing the Edit key Once Edit has been pressed change the item as needed and then press Save to store the value Alarm action determines whether alarm will activate when the reading exceeds the setpoint high alarm or when it drops below th...

Страница 43: ...e integrated to remove continuing offsets Smaller values provide higher response Derivative is a form of control that resists all changes in readings Higher readings increase the derivative function Use caution in set ting the derivative value to prevent process oscillation Time period is the cycle time for the TPC control One cycle con sists of an energized relay on time and an deenergized relay ...

Страница 44: ...normal operation and the feed limit s clock starts again See Table 6 1 Controller Mode Priority Chart for controller action in the event of several modes occurring at the same time NOTE Pressing the Ack key will acknowledge all condi tions that turn the red LED on If another event occurs after the key is pressed then the key must be pressed again to acknowledge the new event This is the only way t...

Страница 45: ...ll be placed in hold even if hold was not enabled in Section 5 6 and the other 2 alarms will be placed in their default states Interval determines how often the timer sequence will run When set to 24 hours the sequence will run daily Repeats is the number of times the relay will activate during the sequence On time is the number of seconds the relay will stay closed on during each repeat Off time ...

Страница 46: ... 5 0 SOFTWARE CONFIGURATION 5 7 CHANGING ALARM PARAMETERS continued RELAY ACTIVATION TIME Interval hr Recovery sec On Time sec Sequence A One repeat per cycle RELAY ACTIVATION TIME Interval hr Recovery sec On Time sec Off Time sec Sequence B Two repeats per cycle ...

Страница 47: ...mp hi warns of a coated sensor This warning level should be set higher than the new sensor s reference impedance Sensors may have reference impedance values that vary considerably so it is a good idea to check each new sensor before setting this value Zero offset indicates how far the millivolt response of the sensor is from the ideal case It is updated after buffer calibration and standardization...

Страница 48: ...ues of the sensor diagnostics are available on the controller under the Diagnostic Variables header in the main menu regardless of whether the messages have been turned on in this section This section describes how the controller may be set up for auto calibra tion which includes automatic buffer recognition and auto stabilization Alternatively the controller may be configured to perform a manual ...

Страница 49: ...te sat d 25 C 3 78 NIST 0 05M KH2 citrate 4 01 NIST DIN 19266 BSM JIS 8802 0 05 KH Phthalate X 4 64 BSM 0 1M HOAc 01M NaOAc 6 86 NIST DIN 19266 BSM JIS 8802 0 025M KH2PO4 0 025M KH2HPO4 7 00 0 05M NA2HPO4 X 0 05M KH2PO4 7 41 NIST JIS 8802 0 0087M KH2PO4 0 0302M KH2HPO4 9 18 NIST DIN 19266 BSM JIS 8802 0 01M Na2B4O7 10 01 NIST BSM JIS 8802 0 025M NaHCO3 X 0 025M Na2CO3 12 45 NIST DIN 19266 Ca OH 2 ...

Страница 50: ...vironments The internal liquid junc tion can become blocked if the process contains any material that reacts with the filling solution to form a precipitate The double junction reference electrode is designed to avoid blocking of the internal liquid junc tion It is essentially a complete electrode within an electrode outer body using two liquid junctions A non reactive electrolyte potassium chlori...

Страница 51: ...structions on chang ing these setpoints 6 3 INTERVAL TIMER The interval timer may be used for periodic sensor cleaning or periodic process adjustment see Section 5 7 for procedure The interval timer settings are 1 Timer Enables disables the interval timer 2 Interval the time period between cycles 3 Repeats the number of relay activations per cycle 4 On time the time period of one relay activation ...

Страница 52: ...ime The URV setting determines how far the pH must devi ate from the setpoint to get the pump to be on for the entire period The LRV setting determines how close the pH must be to the setpoint for the pump to be off for the entire period The LRV setting should always be set at zero When the error the pH minus the setpoint is between the URV and LRV values the relay will be en ergized for some port...

Страница 53: ...nuisance alarms a hysteresis deadband setting and or a time delay can be pro grammed during configuration You can configure each alarm to trigger above the setpoint as a high alarm or below the setpoint as a low alarm The operator need only raise or lower the alarm setpoint as necessary 6 7 ANALOG OUTPUTS The Model 54e pH ORP controller includes a second analog output An analog output produces an ...

Страница 54: ...nd the red LED will be on 3 Interval Timer is only while the timer sequence is occurring 4 Hold Mode is while hold is activated by the operator i e during calibration 5 Feed Limit occurs when a feed limit timer has reached it s limit and is turned off after being on for too long 6 Simulate tests are described in Section 5 4 Action Definitions 1 Normal is determined by process conditions or how the...

Страница 55: ...the set point of the controller to the selected value of the measured variable Automatic process control such as PID is usually feedback control it eliminates the deviation between measurement and set point based on continuous updates feedback from the process itself Measurement and Set Point Feedback Control The Model 54e pH ORP controller is given two items of information measurement and set poi...

Страница 56: ...he propor tional band The rate at which it changes the controller output is based on the proportional band size and the reset adjustment The reset time is the time required for the reset mode to repeat the proportional action once It is expressed as seconds per repeat adjustable from 0 2999 seconds The reset mode repeats the proportional action as long as an offset from the set point exists Reset ...

Страница 57: ...nge in the output signal The change in the measured variable conductivity pH or millivolts will be graphed as shown in Figure 6 2 This can be done by observing the reading on the Model 54e pH ORP and noting values at intervals timed with a stop watch A strip chart recorder can be used for slower reacting processes To collect the data perform the following steps 1 Let the system come to a steady st...

Страница 58: ... A line is drawn on the process reaction curve tangent to the curve at point of maximum rise slope as shown in Figure 6 2 The Time Delay D or lag time extends from zero time on the horizontal axis to the point where the tangent line intersects the time axis The Response Time period L extends from the end of delay period to the time at which the tangent line inter sects the 100 reaction completion ...

Страница 59: ... protection is not desirable you can config ure all security codes to be 000 This will leave the con troller unlocked so the configuration can be changed without entering a password The controller is shipped from the factory with the password set at 000 Level 1 3 Password Privileges Level 1 access is usually given to an operator who sim ply needs to calibrate during the course of normal oper ation...

Страница 60: ...again to highlight Security as shown on the left and press Enter 2 Menu Item Options 1 Lock all 000 999 2 Lock program 000 999 3 Lock configuration 000 999 The values now being used by the controller are displayed To change any of these items use the arrow key to highlight the desired item and press Edit Use the arrow keys to make the change and press Save to enter the change into memory NOTES ON ...

Страница 61: ...ons with a pH above 6 5 pH and in solutions containing weak acids bases and their salts This effect can be compensated for by entering a Temperature Coefficient Temperature Coeff which is the change in solu tion pH per degree centigrade C If there is no noticeable solution pH change with temperature or solution temperature compensation is not desired the Temperature Coefficient Temperature Coeff s...

Страница 62: ...ntial 1 35 to 20 12 pH 7 00 for most Isopotential pH applications Sensor isopotential 0 14 pH 7 00 for most applications The values now being used by the controller are displayed To change any of these items use the arrow key to highlight the desired item and press Edit Use the arrow keys to make the change and press Save to enter the change into memory Temp coeff 000 Operate iso 07 00 pH Sensor i...

Страница 63: ...components inside the controller IMPORTANT A Al lw wa ay ys s r re ec ca al li ib br ra at te e t th he e c co on nt tr ro ol ll le er r b be ef fo or re e r re et tu ur rn ni in ng g i it t t to o s se er rv vi ic ce e Many control problems are unrelated to the conductiv ity measurement system When problems arise first check other systems that affect chemical concentra tion Consider what may have...

Страница 64: ...or and controller 2 Distance between sensor and controller is too long Failure EEPROM 1 Defective CPU board Notify Rosemount Failure CPU if cycling power does not clear the fault Failure Factory Failure ROM Bad ROM chip on CPU board Field cal needed Output 1 and 2 need adjustment Hold mode activated All relays open and outputs set to default values operator activated High input voltage Open connec...

Страница 65: ...e process 1 Verify process reading to be correct 2 Possible ground loop Make sure that the shield wires do NOT touch grounded metal Process noise Incorrect temperature reading 1 Standardize the temperature Suspected temp compensation problem 2 Verify sensor s RTD resistance vs temperature Temp error high 3 Verify temperature reading to be correct Temp error low Display segments missing Replace Dis...

Страница 66: ...7 pH 5 Slope in mV pH Indicates the sensitivity of the glass electrode This number tends to drop as a sensor ages Values below 47 are con sidered too low for calibration 6 Software version Use the following procedure 1 From the main display press any key 2 With the down arrow key move the cursor down to Diagnostic Variables and then press Enter F4 3 Diagnostic variables are displayed three at a ti...

Страница 67: ...MODEL 54e pH ORP SECTION 8 0 TROUBLESHOOTING FIGURE 8 1 Theoretical pH vs Millivolt Values at 25 C 77 F 61 ...

Страница 68: ...me other electrical source A ground loop caused by improper sensor wiring as outlined in Installation Section 2 A source of electrical noise which only takes effect when the sensor is immersed in the process Most of these problems can be eliminated by either moving the sensor or providing proper grounding TEMPERATURE COMPENSATION CIRCUIT Troubleshooting Procedure Use this procedure to diagnose pro...

Страница 69: ...r at 7 Section 3 4 6 If the controller does not read correctly after standardizing if necessary go to step B B Controller preamp check Figure 8 3 1 Disconnect all sensor wiring from the controller at TB2 2 Verify that the preamp location switch is in the analyzer position and that temperature compen sation is set to manual at 25 C or 77 F see Section 3 5 3 Jumper TB2 3 to TB2 4 and TB2 7 to TB2 8 ...

Страница 70: ...64 MODEL 54e pH ORP SECTION 8 0 TROUBLESHOOTING FIGURE 8 3 Controller Preamplifier Check FIGURE 8 2 Junction Box Preamplifier Check ...

Страница 71: ...ilure Simulated tests Try power down and power back Section 5 4 up to reboot the program Test alarm relays Replace electronics if necessary Inability to standardize pH Incorrect standardization procedure Calibration Section 4 0 Zero Offset Err If you are trying to adjust the pH reading by a large amount the controller may reject your standardization and will continue to display the previous value ...

Страница 72: ... temperature values pH value locks up Glass electrode cracked no change in buffers Replace glass electrode Coated glass electrode Clean glass electrode Displayed pH value not the same Grab sample incorrect Calibration Section 4 0 as grab sample of process Reevaluate sample technique and equipment Unclear which is correct Calibration Section 4 0 Retest with new buffer solution Controller out of cal...

Страница 73: ...password protection Level 1 security Lock You must enter the correct password to Level 2 security Lock make changes in the controller Level 3 security Lock Outputs do not change Controller is in Hold or simulate mode Software Configuration Section 5 6 Hold Mode activated To remove from Hold press any key Calibration Section 4 7 simulating output 1 or 2 and then press Enter F4 Press Edit F4 simulat...

Страница 74: ...CB 115 230 Vac Power Supply CE Code 01 23848 00 Power Supply Circuit Board Shield 23849 00 Half Shield Power Supply 23854 00 PCB CPU for Back lit Display 23860 01 PCB 24 Vdc Power Supply Code 02 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 ...

Страница 75: ...als in the same manner as they were received 4 Send the package prepaid to Rosemount Analytical Inc Uniloc Division Uniloc Division 2400 Barranca Parkway Irvine CA 92606 Attn Factory Repair RMA No ____________ Mark the package Returned for Repair Model No ____ 9 3 NON WARRANTY REPAIR The following is the procedure for returning for repair instruments that are no longer under warranty 1 Call Rosemo...

Страница 76: ...ess Save F4 Warning screen appears press Cont F3 4 Complete the ORP standardize instructions 5 Preset alarm and output settings are listed below If these values are unacceptable refer to Section A 1 for a detailed configuration proce dure For a summary of the complete factory set tings see Table A 1 Alarm 1 low alarm 1400mV Alarm 2 high alarm 1400mV Alarm 3 high alarm 1400mV Output 1 4mA setpoint ...

Страница 77: ..._ 9 Display contrast 0 9 9 darkest 5 _______ 10 Tests Timeout On Off On _______ 11 Timeout Value 1 60 min 10 min _______ B Outputs Section 5 6 1 Output 1 Control a Output 1 Measurement Process Temp Ref Imp Process ORP _______ b Output 1 Control Mode Normal PID Normal _______ 2 Output 1 Setup a Current Range 4 20 mA 0 20 mA 4 20 mA _______ b Dampening 0 299 Sec 0 Sec _______ c Hold Mode Last value ...

Страница 78: ... sec 0 sec _______ d Relay Default Open Closed None None _______ 7 Alarm 4 Control a Alarm Fault Off Fault _______ 8 Feed Limit Timer a Feed Limit Disable alarm 1 alarm 2 alarm 3 Disable _______ b Timeout Value 0 10 800 sec 3600 sec _______ 9 Interval Timer a Timer selection Disable alarm 1 alarm 2 alarm 3 Disable _______ b Timer activation method Time activated Imped activated Time activated ____...

Страница 79: ... Exit Enter Accessing Calibrate Program and Configure Menus Operating configuration changes are made at the levels shown in Figure A 1 Press any key from the main display to access the main menu top left Refer to Section 5 for pH measurements Level 1 Calibrate To access calibration selections from the main menu with the cursor on Calibrate press Enter F4 ORP standardization and tempera ture adjust...

Страница 80: ...ore continuing Skip to step 4 if using an ORP standard solution 2 Take a grab sample that is as close to the sensor as possible 3 Using a calibrated ORP instrument determine the ORP of the process or grab sample 4 Move the cursor to Standardize and press Enter F4 5 The number on the large display is the live process ORP reading The next line displays the ORP reading when the display was accessed P...

Страница 81: ...FOLD ALONG DOTTED LINES ...

Страница 82: ...pplication news check one sales representative mail fax my fax number is ____________________ E mail my e mail address is ____________________ phone CUSTOMER SATISFACTION SURVEY Please let us know how satisfied you are with your new instrument MODEL ______________________________ How easy was it to do the following Very Easy Somewhat Not Very Not At All Easy Easy Easy Unpack 1 2 3 4 Wire 1 2 3 4 M...

Страница 83: ...ss or damage directly or indirectly arising from the use of the equipment or goods from breach of any warranty or from any other cause All other warranties expressed or implied are hereby excluded IN CONSIDERATION OF THE STATED PURCHASE PRICE OF THE GOODS SELLER GRANTS ONLY THE ABOVE STAT ED EXPRESS WARRANTY NO OTHER WARRANTIES ARE GRANTED INCLUDING BUT NOT LIMITED TO EXPRESS AND IMPLIED WARRANTIE...

Страница 84: ...6 USA Tel 949 863 1181 http www RAuniloc com Rosemount Analytical Inc 2000 Credit Cards for U S Purchases Only UNILOC DIVISION CUSTOMER SUPPORT CENTER 1 800 854 8257 The right people the right answers right now ON LINE ORDERING NOW AVAILABLE ON OUR WEB SITE http www RAuniloc com ...

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