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O & M Manual
Revision K (01/07)

- 3 -

5.1

Overview and Methods................................................................................................................................44

5.11

1-Point Calibration Explained .................................................................................................................44

5.12

Cell Constant Calibration Explained .......................................................................................................45

5.13

Zero Calibration Explained......................................................................................................................45

5.2

Performing a 1-Point Calibration.................................................................................................................45

Figure 5-1 NaCl Reference Solution for Calibration ....................................................................................45

5.3

Performing a Cell Constant Calibration.......................................................................................................47

5.4

Performing a Sensor Zero Calibration .........................................................................................................47

5.5

Temperature Calibration ..............................................................................................................................48

5.6

TC Factor Callibration .................................................................................................................................49

PART 6 – SYSTEM MAINTENANCE ...................................................................................................................50

6.1

System Checks.............................................................................................................................................50

6.2

Instrument Checks .......................................................................................................................................51

SPARE PARTS ..........................................................................................................................................................54

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Содержание OL50LL

Страница 1: ...echnology Inc Analytical Technology 6 Iron Bridge Drive Bank Chambers 33 Stamford St Collegeville PA 19426 Mossley Ashton u Lyne OL50LL Ph 800 959 0299 Ph 0800 018 4020 610 917 0991 44 0 1457 832800 F...

Страница 2: ...exposure to excessive gas concentrations Should inspection indicate that sensors have been expended rather than failed prematurely the warranty shall not apply The Manufacturer assumes no liability f...

Страница 3: ...RICAL INSTALLATION 16 3 1 General 16 3 2 Electrical 16 Figure 3 1 Cable Description Model Q25C2 17 3 2 Two Wire 17 Figure 3 2 Loop Power Connection Q45C2 Transmitter 18 3 21 Load Drive 19 3 3 115 230...

Страница 4: ...ration Explained 45 5 2 Performing a 1 Point Calibration 45 Figure 5 1 NaCl Reference Solution for Calibration 45 5 3 Performing a Cell Constant Calibration 47 5 4 Performing a Sensor Zero Calibration...

Страница 5: ...ured for AC operation This configuration is ideal when line power is located close to the point of installation and dual relay outputs and two 4 20 mA outputs one for conductivity and one for temperat...

Страница 6: ...ectable Output Fail Alarm feature allows system diagnostic failures to be sent to external monitoring systems Large high contrast custom Super Twist display provides excellent readability even in low...

Страница 7: ...brane type with tactile feedback polycarbonate with UV coating integral EMI static shield and conductively coated window Ambient Temperature Service 20 to 60 C 4 to 140 F Storage 30 to 70 C 22 to 158...

Страница 8: ...air shielded 22 gauge or larger Insertion Loss 16 VDC 115 230 VAC Dual Relay Option Power 115 230 VAC 10 50 60 Hz 10 VA max Enclosure AC Powered NEMA 4X polycarbonate stainless steel hardware weatherp...

Страница 9: ...0 1 of span or better Sensitivity 0 05 of span Stability 0 05 of span per 24 hours non cumulative Warm up Time 7 seconds to rated performance Supply Voltage Effects 0 05 span Instrument Response Time...

Страница 10: ...easy access during calibration The standard cable length of the conductivity sensor is 15 feet For sensor cables longer than 30 feet use the optional junction box 07 0100 and sensor interconnect cable...

Страница 11: ...ATI Q45C2 2E Conductivity System Part 2 Analyzer Mounting O M Manual Revision K 01 07 10 Figure 2 1 Q45 Enclosure Dimensions AC Powered Units ATI 0706 ENTER MENU ESC...

Страница 12: ...1 07 11 1 NPT 1 23 31 2 82 20 8 BOTTOM VIEW 3 45 87 6 1 68 42 7 SIDE VIEW 4 38 111 2 4 38 111 2 ENTER MENU ESC FRONT VIEW 2 61 66 3 2 61 66 3 10 32 UNF 4 PLACES BACK VIEW 1 23 31 2 BOTTOM VIEW PG 9 PO...

Страница 13: ...he instrument is then attached to the wall using the four outer mounting holes in the bracket These holes are slotted to accommodate two sizes of u bolt that may be used to pipe mount the unit Slots w...

Страница 14: ...TI Q45C2 2E Conductivity System Part 2 Analyzer Mounting O M Manual Revision K 01 07 13 Figure 2 4 Wall Mounting Diagram ATI 0709 Figure 2 5 Pipe Mounting Diagram ATI 0710 ENTER MENU ESC ENTER MENU ES...

Страница 15: ...6 Note that the rear of the instrument enclosure is not utilized in this mounting scheme Holes must be drilled at the perimeter of the panel cut out that allow the enclosure screws to pass through and...

Страница 16: ...the rear of the enclosure 4 screws for attachment of this bracket and a sealing gasket to insure that the panel mounted monitor provides a water tight seal when mounted to a panel The sealing gasket m...

Страница 17: ...tput wiring in the same conduit that contains AC power wiring AC power wiring should be run in a dedicated conduit to prevent electrical noise from coupling with the instrumentation signals 3 This ana...

Страница 18: ...hen connecting the Model Q25C2 sensor to the analyzer This high performance double shielded polyethylene jacketed cable is specially designed to provide the proper signal shielding for the sensor used...

Страница 19: ...n K 01 07 18 Figure 3 2 Loop Power Connection Q45C2 Transmitter Notes 1 Voltage between Terminals 9 and 10 MUST be between 16 and 35 VDC 2 Earth ground into Terminal 12 is HIGHLY recommended This conn...

Страница 20: ...he 16 VDC represents insertion loss For example if a 24 VDC power supply is being used the load drive voltage is 8 VDC The maximum loop current of the two wire Q45 is always 20 00 mA or 02 A Therefore...

Страница 21: ...puts are completely isolated from each other to insure that ground loops do not result from the connection of both outputs to the same device such as a PLC or DCS In the line powered unit a ribbon cab...

Страница 22: ...O M Manual Revision K 01 07 21 2 1 SHLD 4 3 6 5 8 7 10 9 WARNING Figure 3 3 Line Power Connection ATI 0747 The power strip TB5 allows up to 12 AWG wire A wire gauge of 16 AWG is recommended to allow f...

Страница 23: ...The sensor cable can be quickly connected to the Q45 terminal strip by matching the wire colors on the cable to the color designations on the label in the monitor A junction box is also available to p...

Страница 24: ...tripping cables leave adequate length for connections in the transmitter enclosure as shown below The standard 15 ft sensor cable normally supplied with the system is already stripped and ready for wi...

Страница 25: ...llations where the sensor is to be located more than 30 feet from the monitor max 100 feet a junction box must be used The junction box is shown in Figure 3 6 and is supplied with a 2 Pg 9 cord grips...

Страница 26: ...ll functions are accessed from this user interface no internal jumpers pots etc Figure 4 1 User Interface ATI 0654 MENU ICONS UNITS 12 CHARACTER SECONDARY DISPLAY MEMBRANE KEYPAD MENU ESC ENTER A B DI...

Страница 27: ...Q45 this is also the ON button UP arrow To scroll through individual list or display items and to change number values LEFT arrow To move the cursor from right to left during changes to a number value...

Страница 28: ...indicate important states of system functions The CAL CONFIG and DIAG icons are used to tell the user what branch of the software tree the user is in while scrolling through the menu items This impro...

Страница 29: ...ENU key the user can access the item list in this section by pressing either the ENTER key or the UP arrow key The list items can then be scrolled through using the UP arrow key Once the last item is...

Страница 30: ...ress the ENTER key This tells the system that the user wishes to perform a change on that item For single item type screens once the user presses the ENTER key part or all of the variable will begin t...

Страница 31: ...M Manual Revision K 01 07 30 Figure 4 2 Software Map Functions enabled with Relay Option Card Enabled with Relay Option Card when timer is enabled Relay B SENS Displayed when a concentration table is...

Страница 32: ...as automatically jumped to a manual 25 C setting due to a failure with the temperature signal input TDS 200 ppm Total Dissolved Solids TDS Displays TDS of process 20 00 mA Transmitter output current S...

Страница 33: ...owever long cable lengths and junction boxes may degrade the accuracy of the temperature measurement in some extreme situations Therefore this feature is provided as an adjustment See Part 5 Calibrati...

Страница 34: ...1 Mode Also when the Relay Option Board is installed the units will also display 1 or 2 since there are actually two analog outputs present in this version The value stored for the 4 mA point may be...

Страница 35: ...ed in Set Range if the output is set to track conductivity The 4 mA and the 20 mA point must be at least 20 units away from each other Press ENTER to initiate user entry mode and the value will flash...

Страница 36: ...n of the relay trip When phase is HI the relay operates in a direct mode Therefore the relay energizes and the LCD indicator illuminates when the conductivity value exceeds the setpoint When the phase...

Страница 37: ...e the other is used as a HI LO Alarm relay at the same time Setpoint A LO must be set lower than Setpoint A HI When AL mode is first selected Setpoint A LO is defaulted to 0 Figure 4 4 is a visual des...

Страница 38: ...ay area The user may select between conductivity sensor temperature or output current Using this function the user may choose to put temperature in the main display area and conductivity on the second...

Страница 39: ...choices are available Lin 1 Tbl and 2 Tbl Lin Linear temperature compensation method This is the most common method and is recommended for most aqueous solutions The slope for this method is set in th...

Страница 40: ...Use the arrow keys to modify the desired value entry range is 0 000 C no compensation to 4 000 C Press ENTER to store the new value Ref Temp The reference temperature function sets the basis point fo...

Страница 41: ...to initiate user entry mode and entire value will flash Use the UP arrow key to modify the desired value selections are ON for engaging the HOLD function and OFF to disengage the function Press ENTER...

Страница 42: ...Out function allows the user to simulate the conductivity level of the instrument in the user selected display range The user enters a conductivity value directly onto the screen and the output respo...

Страница 43: ...is electrically energized in a normal operating state By doing this the relay will not only change state when for example a conductivity limit is exceeded but also when power is lost to the controlle...

Страница 44: ...rates identically to Relay A with settings for setpoint hysteresis delay and phasing appearing in the CONFIG menu automatically See Figure 4 4 for details The FAIL setting enables the fail alarm mode...

Страница 45: ...le and are only accurate at the labeled reference temperature Moving the sensor back and forth between different value conductivity reference solutions can quickly contaminate the solutions and render...

Страница 46: ...of operation 5 2 Performing a 1 Point Calibration This calibration method is intended to be used as an on line calibration method or a wet cal with reference solutions During calibration the system wi...

Страница 47: ...l display the last measured conductivity value and a message will be displayed prompting the user for the lab value The user must then modify the screen value with the arrow keys and press ENTER The s...

Страница 48: ...e 1 point calibration should be used Procedure 1 Scroll to the CAL menu section using the MENU key and press ENTER or the UP arrow key Press the UP arrow key until Cell Const is displayed 2 Press the...

Страница 49: ...tput fluctuations Procedure 1 Scroll to the CAL menu section using the MENU key and press ENTER or the UP arrow key 2 Press the UP arrow key until Cal Temp is displayed 3 Press the ENTER key The messa...

Страница 50: ...slope is not adjusted in this calibration Certain Q25 series sensors are labeled with a specific TC factor Entering this factor directly allows the user to quickly calibrate the transmitter for the s...

Страница 51: ...wo point calibration with two fresh buffers prior to sensor installation 4 Check sensor cable color to terminal strip markings 5 For highly unstable behavior remove sensor from the process and measure...

Страница 52: ...ng normal operation and calibration These messages appear as prompts on the secondary line of the display or as items on the Fault List see Section 4 25 The following messages will appear as prompts M...

Страница 53: ...connections to sensor Cond High The conductivity reading is greater than the maximum of the User selected range The conductivity reading is over operating limits Set measuring range to the next highes...

Страница 54: ...Clean sensor check cal solution temperature and repeat sensor temp calibration TC calibration function only allows adjustments of 6 C If still failure perform sensor tests as described in sensor manua...

Страница 55: ...RTD 63 0067 0 05 Cell 316SS 1 Sanitary fitting 1000 RTD 63 0091 1 00 Cell 316 SS NPT 1000 RTD 63 0092 1 00 Cell 316 SS NPT In line fitting 1000 RTD 07 0017 24 VDC 2 Wire Single output only 07 0019 115...

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