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Instruction Sheet PN 51A-5081T-FF/rev.E March 2004
FOUNDATION Fieldbus® Two-Wire Conductivity Transmitter ESSENTIAL INSTRUCTIONS READ THIS PAGE BEFORE PROCEEDING! Your purchase from Rosemount Analytical, Inc. has resulted in one of the finest instruments available for your particular application. These instruments have been designed, and tested to meet many national and international standards. Experience indicates that its performance is directly related to the quality of the installation and knowledge of the user in operating and maintaining the instrument. To ensure their continued operation to the design specifications, personnel should read this manual thoroughly before proceeding with installation, commissioning, operation, and maintenance of this instrument. If this equipment is used in a manner not specified by the manufacturer, the protection provided by it against hazards may be impaired. • Failure to follow the proper instructions may cause any one of the following situations to occur: Loss of life; personal injury; property damage; damage to this instrument; and warranty invalidation. • Ensure that you have received the correct model and options from your purchase order. Verify that this manual covers your model and options. If not, call 1-800854-8257 or 949-757-8500 to request correct manual.
WARNING Substitution of components may impair Intrinsic Safety or suitability for Division 2.
• For clarification of instructions, contact your Rosemount representative. • Follow all warnings, cautions, and instructions marked on and supplied with the product. • Use only qualified personnel to install, operate, update, program and maintain the product. • Educate your personnel in the proper installation, operation, and maintenance of the product. • Install equipment as specified in the Installation section of this manual. Follow appropriate local and national codes. Only connect the product to electrical and pressure sources specified in this manual. • Use only factory documented components for repair. Tampering or unauthorized substitution of parts and procedures can affect the performance and cause unsafe operation of your process. • All equipment doors must be closed and protective covers must be in place unless qualified personnel are performing maintenance. • If this equipment is used in a manner not specified by the manufacturer, the protection provided by it against hazards may be impaired.
WARNING To prevent ignition of flammable or combustible atmospheres, disconnect power before servicing or understand and adhere to the manufacturer's live maintenance procedures.
WARNING Do not remove or replace while circuit is live unless area is known to be non-hazardous.
WARNING Explosion Hazard - Do not disconnect equipment unless area is known to be non-hazardous.
PHYSICAL SPECIFICATIONS HOUSING: Epoxy-polyester painted over low-copper aluminum. Neoprene O-rings on cover. 160.5 mm x 175.3 mm x 161.3 mm (6.3 in. x 6.9 in. x 6.4 in.) DIAMETER: 155.4 mm (6.1 in.) ELECTRICAL CONDUIT OPENINGS: 3/4 in. FNPT POWER SUPPLY AND LOAD: A power supply voltage of 9 Vdc to 32 Vdc at 22 mA is required; Intrinsically Safe installations may be limited to a maximum of 2-3 transmitters per node, depending on the barrier used. LOCAL READOUT: Main Display is 4 digits, 20 mm tall (0.8 in.) Message Display is ten digits, 7 mm tall (0.3 in.) AUTOMATIC TEMPERATURE COMPENSATION: 3-wire Pt100 RTD Conductivity: 0 to 200 °C (32 to 392 °F) % concentration: 0 to 100 °C (32 to 212°F) AMBIENT TEMPERATURE: -20 to 65° C (-4 to 149° F) RELATIVE HUMIDITY: 0-95% with enclosure sealed. CE: EMI/RFI certified: EN61326-1 HAZARDOUS AREA CLASSIFICATION: Intrinsic Safety: Class I, II, III, Div. 1 Groups A-G T4 Tamb = 70°C Exia Entity Class I, Groups A-D Class II, Groups E-G Class III T4 Tamb = 70°C ATEX 0600 II 1 G Baseefa03ATEX0099 EEx ia IIC T4 Tamb = -20°C to +65°C Non-Incendive: Class I, Div. 2, Groups A-D Dust Ignition Proof Class II & III, Div. 1, Groups E-G NEMA 4X Enclosure Class I, Div. 2, Groups A-D Suitable for Class II, Div. 2, Groups E-G T4 Tamb = 70°C
Explosion-Proof: Class I, Div. 1, Groups B-D Class II, Div. 1, Groups E-G Class III, Div. 1 Class I, Groups B-D Class II, Groups E-G Class III Tamb = 65°C max
TRANSMITTER SPECIFICATIONS @ 25°C MEASURED RANGE*: 50 to 2,000,000 µS/cm (see chart) ACCURACY: ± 1.0% of reading REPEATABILITY: ± 0.25% of reading STABILITY: 0.25% of output range/month, non-cumulative AMBIENT TEMPERATURE COEFFICIENT: ± 0.2% of FS/°C COMPATIBLE RTD: 100Ω with Automatic Recognition TEMPERATURE SLOPE ADJUSTMENT: 0-5%/° C % CONCENTRATION RANGES: Sodium Hydroxide: 0 to 15% Hydrochloric Acid: 0 to 16% Sulfuric Acid: 0 to 25% and 96 to 99.7%
LOOP SPECIFICATIONS LOOP ACCURACY: With a standard Model 228 or 225 sensor with 20' cable, laboratory accuracy at 25°C can be as good as ± 2% of reading and ± 50 µS/cm. To achieve optimum performance, standardize the sensor in the process at the conductivity and temperature of interest. Results under real process conditions, at different temperatures, or using other sensors may differ from above. RTD ACCURACY: Utilizing a perfect 100 Ohm RTD after 1 point temperature standardiztion, temperature reading can be as good as ± 0.5°C.
RECOMMENDED SENSORS: Model Model Model Model Model
* Model 242-06 or 242-08 with 5081T do not have Intrinsically Safe approvals.
RECOMMENDED RANGES FOR TOROIDAL SENSORS Conductivity Sensor Model Number Nominal Cell Constant µS/cm) Minimum Conductivity (µ µS/cm) Maximum Conductivity (µ
226 1.0 50 1,000,000
228 3.0 200 2,000,000
225 3.0 200 2,000,000
222 (1in.) 6.0 500 2,000,000
222 (2 in.) 4.0 500 2,000,000
242 * 100* 2,000,000*
* Model 242 values depend on sensor configuration and wiring.
NOTE: Values shown are for 25°C conductivity with a temperature slope of 2% per degree C. The maximum range value will be lower for solutions with a higher temperature slope. Minimum conductivity depends on sensor.
TRANSMITTER DISPLAY DURING CALIBRATION AND PROGRAMMING (FIGURE 1)
1. Continuous display of conductivity, % concentration, or custom reading.
2. Units: µS/cm, mS/cm, ppm, %, or none. 3. Current menu appears here.
4. Submenus, prompts, and diagnostic readings appear hear.
F A U L T H O L D
CALIBRATE PROGRAM DIAGNOSE
5. Commands available in each submenu or at each prompt appear here. 6. Hold appears when the transmitter is in hold.
7. Fault appears when the transmitter detects a sensor or instrument fault. FIGURE 1. TRANSMITTER DISPLAY DURING CALIBRATION AND PROGRAMMING The program display screen allows access to calibration and programming menus.
INFRARED REMOTE CONTROLLER (FIGURE 2)
1. Pressing a menu key allows the user access to calibrate, program, or diagnostic menus.
2. Press ENTER to store data and settings. Press NEXT to move from one submenu to the next. Press EXIT to leave without storing changes.
3. Use the editing keys to scroll through lists of allowed settings or to change a numerical setting to the desired value. 4. Pressing HOLD puts the transmitter in hold. Pressing RESET causes the transmitter to abandon the present operation and return to the main display. FIGURE 2. INFRARED REMOTE CONTROLLER
SUBSTITUTION OF C O M P O N E N T S M AY I M PA I R I N T R I N S I C S A F E T Y PN 23572-00 WA R N I N G : TO PREVENT IGNITION C H A N G E B AT T E R I E S I N A NONHAZARDOUS AREA O N LY
IS/I/1/A,B,C & D NI/I/2/A,B,C & D T 4 Ta m b = 4 0 ° C T 3 A Ta m b = 8 0 ° C
IRC - INFRARED REMOTE CONTROL LR 34186 Exia I N T R I N S I C A L LY S A F E E Q U I P M E N T H A Z A R D O U S A R E A L O C AT I O N S : CLASS I, DIV 1, GP A, B, C, D CLASS I, DIV 2, GP A, B, C, D T 3 C Ta m b = 4 0 ° C T 3 Ta m b = 8 0 ° C 1 . 5 V d c A A A B AT T E R I E S EVEREADY E92/1212 DURACELL MN2400/PC2400 REMOTE CONTROL
B a s e e f a 0 2 AT E X 0 1 9 8 II 1G EExia IIC T4 11 8 0 1 . 5 V d c A A A B AT T E R I E S EVEREADY E92/1212 DURACELL MN2400/PC2400 R O S E M O U N T A N A LY T I C A L 9 2 6 0 6 U S A
MODEL 5081T-FF MENU TREE FIGURE 1. Menu Tree
Model 5081T-FF Process Display Screen
CALIbrAtE SEnSOr 0
tEMP AdJ CELL COnSt tEMP SLOPE
CAL key PROG key DIAG key HOLD key
SEtUP CuST dEFAULT
AbS C OFFSt CELL COnSt tSLOPE
DIAGNOSTICS 5081-T-FF SoFt HArd FaULTs
PROGRAM MENU MNEMONICS
HoLd FAULt tEMP tAUtO tMAn dISPLAY tYP tEMP COdE OFFSt
Transmitter on hold Fault condition current output setting Temperature menu header Automatic temperature compensation Manual temperature compensation input Display menu header Conductivity measurement type °C / °F toggle selection Security code Conductance Offset value
MODEL 5081T-FF DEFAULT SETTINGS VARIABLE NAME
Program Menu Temperature
Auto temperature compensation
25.0°C (overridden by auto)
COMP (L i n e a r or nOnE)
typ (CondUC or nAOH or HCL or H2SO4L or H2SO4H or Cust)
Temperature compensation algorithm
Display Measurement type Temperature (°C or °F) Output (mA or %)
Diagnose Menu Diagnose
(Each segment displays the current value in the transmitter.) Absolute conductivity
Off Set Cell constant Temperature slope
Show fault warnings
WIRING Wire sensor as shown below in Figure 2. Keep sensor wiring separate from power wiring. For best EMI/RFI protection, use shielded output signal cable in an earth-grounded metal conduit. Refer to the sensor instruction manual for more details.
FIGURE 2. Wiring Model 5081T-FF
FOUNDATION FIELDBUS COMMUNICATIONS AND POWER SUPPLY 9 - 32 VDC
FIGURE 3. Power Supply/Current Loop Wiring for Model 5081T-FF
WIRING THROUGH A JUNCTION BOX The sensor can be wired to the analyzer through a remote junction box (PN 23550-00). Wire the extension cable and sensor cable point-to-point. Refer to the sensor instruction manual for more details. Factory-terminated (PN 23747-00) and unterminated (PN 9200275) connecting cable are available. The use of factory-terminated cable is strongly recommended. To prepare unterminated cable for use, follow the instructions in the sensor instruction manual. For maximum EMI/RFI protection, the outer braid of the sensor cable should be connected to the outer braided shield of the extension cable. At the instrument, connect the outer braid of the extension cable to earth ground.
POWER WIRING For general purpose areas, wire power as shown in Figure 3.
INSTALLATION UNPACKING AND INSPECTION
Inspect the shipping container. If it is damaged, contact the shipper immediately for instructions. Save the box. If there is no apparent damage, unpack the container. Be sure all items shown on the packing list are present. If items are missing, notify Rosemount Analytical immediately.
See Figure 4. 1. Although the analyzer is suitable for outdoor use, do not install it in direct sunlight or in areas of extreme temperatures. 2. Install the analyzer in an area where vibrations and electromagnetic and radio frequency interference are minimized or absent. 3. Keep the analyzer and sensor wiring at least one foot from high voltage conductors. Be sure there is easy access to the analyzer. 4. The conduit connections on the sides of the 3081 housing should be sealed to prevent moisture from entering the enclosure. 5. The transmitter must not be mounted with both conduit openings at the top.
ROTATING THE DISPLAY The Model 5081T-FF display can be rotated 90° left or right. Disengage the cover lock and remove the front cover. Remove the three screws holding the PCB stack and gently lift the display board. Do not disengage the ribbon cable between the display board and the CPU board. Rotate the display. The black infrared sensor will be at the top of the display.
FIGURE 4. Mounting Model 5081T-FF 8
MAINTENANCE OVERVIEW This section gives general procedures for routine maintenance of the 5081-T transmitter. The transmitter needs almost no routine maintenance.
TRANSMITTER MAINTENANCE Periodically clean the transmitter window with household ammonia or glass cleaner. The detector for the infrared remote controller is located behind the window at the top of the transmitter face. The window in front of the detector must be kept clean. Most components of the transmitter are replaceable. Refer to figure below and table on next page for parts and part numbers.
Exploded View of Model 5081-T-FF Transmitter Three screws (part 13 in the drawing) hold the three circuit boards in place. Removing the screws allows the display board (part 2) and the CPU board (part 3) to be easily removed. A ribbon cable connects the boards. The cable plugs into the CPU board and is permanently attached to the display board. A 16 pin and socket connector holds the CPU and analog (part 4) boards together. Five screws hold the terminal block (part 5) to the center housing (part 7), and the 16 pins on the terminal block mate with 16 sockets on the back side of the analog board. Use caution when separating the terminal block from the analog board. The pin and socket connection is tight.
Replacement Parts for Model 5081-T-FF Transmitter Location in drawing
PCB stack consisting of the CPU (part 3) and analog (part 4) boards, display board is not included, CPU and analog boards are factorycalibrated as a unit and cannot be ordered separately
1 lb/0.5 kg
LCD display PCB
1 lb/0.5 kg
1 lb/0.5 kg
Enclosure cover, front with glass window
3 lb/1.5 kg
Enclosure, center housing
4 lb/1.5 kg
Enclosure cover, rear
3 lb/1.0 kg
Desiccant in bag, one each
1 lb/0.5 kg
O-ring (2-252), one, front and rear covers each require an O-ring
1 lb/0.5 kg
Screw, 8-32 x 0.5 inch, for attaching terminal block to center housing
Screw, 8-32 x 1.75 inch, for attaching circuit board stack to center housing
1 lb/0.5 kg
Locking bracket nut
1 lb/0.5 kg
Screw, 10-24 x 0.38 inch, for attaching cover lock and locking bracket nut to center housing
NOTE: For information only. Screws cannot be purchased from Rosemount Analytical. * Weights are rounded up to the nearest whole pound or 0.5 kg.
ENGINEERING SPECIFICATIONS QUICK-START 1. On the Remote, press PROG, NEXT, ENTER.
are in LinEAR mode, you can now enter a particular temperature slope (default is 2%/degC), then press ENTER to apply the slope.
2. Use the arrow buttons to select COnduc (conductivity), nAOH (Sodium Hydroxide 0-15%), HCL (Hydrochloric Acid 0-16%), H2SO4L (Sulfuric Acid 0-30%), H2SO4H (Sulfuric Acid 95-99.99%), or CuSt (custom curve) mode. Press ENTER. If you chose CuSt, continue with step 3. If you chose COnduc or one of the preprogrammed % concentration modes, skip step 3 and go to step 4.
9. Press RESET.
3. If you selected CuST, you will see the Setup Custom screen. To move to the custom curve configuration menu, press ENTER. You will automatically return to this same Setup Custom screen after configuration is complete. To continue transmitter display programming, press NEXT in the Setup Custom screen.
13. Hold the sensor in air to zero. Press ENTER, then EXIT.
4. Use the arrow keys to toggle temperature units between Celsius and Farenheit. 5. Press ENTER then RESET. 6. Press PROG, ENTER.
10. Press CAL, NEXT, NEXT, NEXT, ENTER. 11. Use the arrow buttons to enter the cell constant of the sensor. Press ENTER, then EXIT. 12. To “zero” the sensor in air, press CAL, NEXT, ENTER.
14. If you are measuring % concentration (nAOH, HCL, H2SO4L, or H2SO4H) or custom curve (CuSt), quick start is complete; proceed to step 20. 15. If you are measuring conductivity (CondUC), then standardize the sensor by placing the sensor in a solution of known conductivity value. Press CAL, ENTER. 16. Use the arrow buttons to enter the current conductivity value of the solution. Press ENTER.
7. Use the arrow key to toggle t AutO to On or OFF to select using either the process temperature (tAutO = On) or a manual temperature (tAutO = OFF). Press ENTER. If you selected t AutO = OFF, you will be prompted to enter the manual temperature; use the arrow keys, then press ENTER.
17. Press RESET.
8. If you selected CondUC in step 2, you will see a COMP (Temperature Compensation type) screen. Use the arrow keys to select desired temperature compensation: LinEAr (linear) or nOnE (raw or uncompensated conductivity). Press ENTER. If you
2. Use the arrow keys to toggle between nO (retain your configuration and calibration settings) and YES (restore factory default settings to all variables).
To reset transmiter to factory default settings: 1. Press PROGRAM, NEXT, NEXT, NEXT. The screen should say "dEFAULt". Press ENTER.
3. Press ENTER, then EXIT.
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