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Broadley James 20-03 Instruction Manual

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Summary of Contents for Broadley James 20-03

  • Page 2: Essential Instructions

    ESSENTIAL INSTRUCTIONS WARNING READ THIS PAGE BEFORE PROCEEDING! ELECTRICAL SHOCK HAZARD This product has been designed, manufactured, and Making cable connections to and ser- tested to meet many national and international stan- vicing this instrument requires access dards. Because these instruments are sophisticated to shock hazard level voltages which technical products, you must properly install, use, and maintain them to ensure they continue to oper-...

  • Page 3: Table Of Contents

    Model 20-03 TABLE OF CONTENTS MODEL 20-03 MICROPROCESSOR D.O. TRANSMITTER TABLE OF CONTENTS Section Title Page DESCRIPTION AND SPECIFICATIONS ..........General Description ................Performance Specifications ..............Physical Specifications ............... Ordering Information ................INSTALLATION .................. Unpacking and Inspection ..............Mechanical Installation ................

  • Page 4: Title Page

    Model 20-03 TABLE OF CONTENTS TABLE OF CONTENTS CONT’D. Section Title Page START-UP AND CALIBRATION ............General ....................Start-up ....................Calibration ....................5.3.1 Temperature Calibration ................. 5.3.2 Transmitter Zero ..................5.3.3 ppm Calibration ..................5.3.3.1 Air Calibration ..................5.3.3.2 Grab Sample ppm Standardization ............
  • Page 5 Model 20-03 TABLE OF CONTENTS TABLE OF CONTENTS CONT’D. LIST OF FIGURES Figure No. Title Page Panel Mounting Cutout ................Panel Mounting Latch Installation ............Wall Mounting J-Box Installation .............. Wall Mounting J-Box Wiring ..............Pipe Mounting Installation ................ Electrical Wiring ..................10 Sensor Wiring ..................
  • Page 6 Model 20-03 SECTION 1.0 DESCRIPTION AND SPECIFICATIONS NOTES...

  • Page 7: Description And Specifications

    Current Output: Isolated, Direct or Reverse, 0-20 mA or 4-20 mA DC into 600 ohms The MODEL 20-03 transmits a user selected isolated maximum load. current output continuously expandable over the mea- surement range in either Direct or Reverse and can be 1.3 PHYSICAL SPECIFICATIONS...

  • Page 8: Ordering Information

    DESCRIPTION AND SPECIFICATIONS 1.4 ORDERING INFORMATION The Model 20-03 Dissolved Oxygen Microprocessor Transmitter is housed in a NEMA 4X weatherproof, corrosion- resistant housing suitable for panel, pipe or wall mounting. The transmitter operates on 115 / 230 VAC, 60 Hz. Standard features include an LED digital display, continuous self diagnostics, isolated current output, dual alarms, and automatic temperature compensation.

  • Page 9: Installation

    4. Replace the front panel assembly. Circuit boards Do not attempt to install and operate the must align with the slots on the inside of the MODEL 20-03 without first reading this enclosure. Replace the four front panel screws. manual.

  • Page 10: Pipe Mounting

    Install weathertight seal P/N AM-9263 in the unused opening. 2.3.1 Power Input Wiring. The MODEL 20-03 can be configured for either 115 Vac or 230 Vac power. 2.3.3 Sensor. Refer to Figure 2-8 and the OxyProbe®...

  • Page 11: Front View

    Model 20-03 SECTION 2.0 INSTALLATION PANEL ® Broadley-James Model 20 ALARM 1 ppm/%SAT % / mA ALARM 2 HOLD FAULT OxyProbe ™ Dissolved Oxygen Transmitter OUTPUT HOLD ZERO F.S. ALARM ALARM TEMP ACCESS ENTER SELECT BROADLEY JAMES CORPORATION FRONT VIEW SIDE VIEW 137.9...

  • Page 12: Panel Mounting Latch Installation

    Model 20-03 SECTION 2.0 INSTALLATION Panel Latch Side View Panel Latch # 1 (note position) Panel Latch # 2 (note position) Panel Latch # 4 (note position) Panel Latch # 3 (note position) FIGURE 2-2 Panel Mounting Latch Installation 19 Thomas • Irvine CA 92618 USA 19 Thomas.

  • Page 13: Wall Mounting J-Box Installation

    Model 20-03 SECTION 2.0 INSTALLATION Metal Stiffener Weather Seals (4 Required) Item 5, Ref ITEM PART NUMBER DESCRIPTION AM-9241 J-Box Sub-assembly AM-9242 Wall Mounting Bracket AM-9243 #6 Flat Washer AM-9244 #6 Internal Lock Washer AM-9245 6-32 Hex Nut AM-9246 6-32 x .75 Screw...

  • Page 14: Point To Point Wiring

    Model 20-03 SECTION 2.0 INSTALLATION 11.5 19.8 252.7 9.95 ® Broadley-James Model 20 ppm/%SAT ALARM 1 % / mA ALARM 2 HOLD FAULT OxyProbe ™ Dissolved Oxygen Transmitter OUTPUT HOLD ZERO F.S. ALARM ALARM TEMP ACCESS ENTER SELECT 10.1 BROADLEY...

  • Page 15: Pipe Mounting Installation

    Model 20-03 SECTION 2.0 INSTALLATION 279.4 7.6 REF 11.0 2" PIPE (BY OTHERS) ® Broadley-James Model 20 ppm/%SAT ALARM 1 % / mA ALARM 2 HOLD FAULT OxyProbe ™ 169.7 Dissolved Oxygen Transmitter 6.68 OUTPUT HOLD ZERO F.S. ALARM ALARM...
  • Page 16 Model 20-03 SECTION 2.0 INSTALLATION 230 VAC NEUTRAL 115 VAC EMC Shield Strap for Enclosure (Must be connected to rear cover and Mother Board as BACK VIEW /COVER OMITTED shown for proper operation) ANODE ALARM (N.O.) CURRENT LOOP CATHODE ALARM OUTPUT 1 (N.O.)
  • Page 17 ANODE (RED) CATHODE (WHT) T.C. (BLK) T.C. (BRN) SHIELD (GRN) FIGURE 2-8. Model 20-03 DO Sensor Wiring 19 Thomas • Irvine CA 92618 USA 19 Thomas. • Irvine CA 92618 USA Broadley-James Corporation Tel: (714) 829-5555 • Fax: (714) 829-5560 Tel: (949) 829-5555 •...

  • Page 18: Screening & Earthing

    Model 20-03 SECTION 2.0 INSTALLATION Signal Cable Power Cable Twin (round) Twin & Earthed Earthed Steel wire MICC PVC sheathed Earth conduit trunking armoured Twin (flat) PVC sheathed Aluminum foil screened Twin (round) PVC sheathed Unscreened twisted pair Coaxial Screened...

  • Page 19: Description Of Controls

    SECTION 3.0 DESCRIPTION OF CONTROLS 3.1 KEYBOARD FUNCTIONS. All functions of the transmitter to restandardize the temperature Model 20-03 are accessed through keyboard entry reading. Refer to Section 5.3. routines. The transmitter uses no switches or poten- tiometers. C. Alarm 1 and Alarm 2 Setpoint. The alarm...

  • Page 20: Keyboard Overlay

    Model 20-03 SECTION 3.0 DESCRIPTION OF CONTROLS 3.1.1 Item Selection and Value Adjustment Keys. B. Scroll Key ( ). This key is used The three keys located on the lower right side of the to scroll through menu when se-...
  • Page 21 Model 20-03 SECTION 3.0 DESCRIPTION OF CONTROLS Table 3-1. Key Description MAIN FUNCTION (PRESS ONCE) SECOND FUNCTION (PRESS TWICE QUICKLY) Displays - DO in ppm or % Saturation. Displays - current output (mA or % full scale). OUTPUT Set Function [w/SELECT(...
  • Page 22 Model 20-03 SECTION 3.0 DESCRIPTION OF CONTROLS TABLE 3-2. Information Mnemonics MNEMONIC DESCRIPTION MNEMONIC DESCRIPTION Adjustment to value reading Set mode Incorrect entry Simulates current output (mA) Displays 20 mA setpoint (pH) Simulates current output (percent) Interval timer activated Displays alarm 1 setpoint...

  • Page 23: Keyboard Routine

    Model 20-03 SECTION 3.0 DESCRIPTION OF CONTROLS 3.2 KEYBOARD ROUTINE. To familiarize yourself 2. Scroll down through the first level of functions with the keyboard operation, practice on the follow- vertically from “br” by repeatedly pressing the ing routines. Refer to Figure 3-1 and Table 3-1.
  • Page 24 Model 20-03 SECTION 3.0 DESCRIPTION OF CONTROLS NOTES Page 18...

  • Page 25: Configuration

    NOTE: available in the Set Mode and the setpoint adjust- If “LOC” displays, the Keyboard Security Code ment procedures to configure the MODEL 20-03 must be entered to access the Set Mode. (Re- Dissolved Oxygen Transmitter. Refer to Table 3-3 fer to Section 6.0.) To get out of the Set Mode,...

  • Page 26: Set Function Menu

    Model 20-03 SECTION 4.0 CONFIGURATION On On On On On bP bP bP bP bP DC DC DC DC DC On On On On On DF DF DF DF DF hr hr hr hr hr u in u in u in...
  • Page 27 Model 20-03 SECTION 4.0 CONFIGURATION TABLE 4-1. Configuration Work Sheet Use this work sheet to assist in the configuration of the transmitter. Date: ____________________ RANGE FACTORY SET USER SET A. Alarm 1 Setup (AL1 AL1) 1. Alarm Status (On/OFF) _________ 2.

  • Page 28: Alarm 1 And 2

    Model 20-03 SECTION 4.0 CONFIGURATION state restarts time from zero. Use when a fixed time 4.2 Alarm 1 and 2. Display Mnemonic “AL1” or “AL2”. should pass before relay activation occurs. Used to set alarm relay logic (See note below). Each alarm is configured separately.

  • Page 29: Alarm 1 And Alarm 2 Setup

    Model 20-03 SECTION 4.0 CONFIGURATION On On On On On bP bP bP bP bP DC DC DC DC DC On On On On On DF DF DF DF DF hr hr hr hr hr u in u in u in...

  • Page 30: Interval Timer

    Press the SELECT key and the current setting will NOTE: flash. Repeat Step 7. The MODEL 20-03 is placed on hold during the control cycle (from first on period through the 12. SCROLL ( ) down to “OFt” (duration of off times).

  • Page 31: Interval Timer Setup

    Model 20-03 SECTION 4.0 CONFIGURATION On On On On On bP bP bP bP bP DC DC DC DC DC On On On On On DF DF DF DF DF hr hr hr hr hr u in u in u in...

  • Page 32: Temperature Configuration

    Model 20-03 SECTION 4.0 CONFIGURATION 4.4 TEMPERATURE CONFIGURATION. Display 4.4.1 Temperature Setup (t-C). Refer to Figure 4-4. Mnemonic “t-C”. Select this item for temperature reading and compensation choices. 1. Enter Set Mode by pressing the ACCESS key twice. A. Temperature Display. Display Mnemonic “d-t”.

  • Page 33: Temperature Configuration Setup

    Model 20-03 SECTION 4.0 CONFIGURATION On On On On On bP bP bP bP bP DC DC DC DC DC On On On On On DF DF DF DF DF hr hr hr hr hr u in u in u in...

  • Page 34: Current Output

    Model 20-03 SECTION 4.0 CONFIGURATION 4.5 CURRENT OUTPUT. Display Mnemonic is “OUt”. 4.5.1 Output Setup (OUt). Refer to Figure 4-5. This item is used to select signal output configura- tion. 1. Enter Set Mode by pressing the ACCESS key twice.

  • Page 35: Current Output Setup

    Model 20-03 SECTION 4.0 CONFIGURATION On On On On On bP bP bP bP bP DC DC DC DC DC On On On On On DF DF DF DF DF hr hr hr hr hr u in u in u in...

  • Page 36: Dissolved Oxygen Range Units

    “ppm” mode, begin by pressing the “CAL” key. The MODEL 20-03 will request the entry of the 3. Press the SELECT( ) key. “PPu” or “SAt” will be current barometric pressure. The MODEL 20-03, using displayed.

  • Page 37: Dissolved Oxygen Units Setup

    Model 20-03 SECTION 4.0 CONFIGURATION On On On On On bP bP bP bP bP DC DC DC DC DC On On On On On DF DF DF DF DF hr hr hr hr hr u in u in u in...

  • Page 38: Barometric Pressure Units

    Model 20-03 SECTION 4.0 CONFIGURATION 4.7 BAROMETRIC PRESSURE UNITS. Display Mne- 4.7.1 Barometric Pressure Unit Set Up “bP”. Refer to monic “bP”. This function is used to select the baro- Figure 4-7. metric pressure units needed by the microprocessor during the air calibration step. One of the following 1.

  • Page 39: Barometric Pressure Setup

    Model 20-03 SECTION 4.0 CONFIGURATION On On On On On bP bP bP bP bP DC DC DC DC DC On On On On On DF DF DF DF DF hr hr hr hr hr u in u in u in...

  • Page 40: Solubility Correction Factor

    Model 20-03 SECTION 4.0 CONFIGURATION 4.8.1 Solubility Correction Factor Set Up “SoL”. Re- 4.8 SOLUBILITY CORRECTION FACTOR. Display fer to Figure 4-8. Mnemonic “SOL”. This function is used to correct for the solubility of oxygen in the process liquid which is other 1.

  • Page 41: Solubility Correction Factor Setup

    Model 20-03 SECTION 4.0 CONFIGURATION On On On On On bP bP bP bP bP DC DC DC DC DC On On On On On DF DF DF DF DF hr hr hr hr hr u in u in u in...

  • Page 42: Defaults

    Model 20-03 SECTION 4.0 CONFIGURATION 4.10 DEFAULTS. Display Mnemonic “dFt”. This func- 4.10.1 Default Setup (dFt). Refer to Figure 4-10. tion is used to set the configuration of relay and output conditions during a FAULT or HOLD status. A flashing 1.

  • Page 43: Default Setup

    Model 20-03 SECTION 4.0 CONFIGURATION On On On On On bP bP bP bP bP DC DC DC DC DC On On On On On DF DF DF DF DF hr hr hr hr hr u in u in u in...

  • Page 44: Software Version Number

    Model 20-03 SECTION 4.0 CONFIGURATION 4.11 SOFTWARE VERSION NUMBER. Display Mne- 4.12 Display test. Display Mnemonic “dtS”. This func- monic “UEr”. This function displays the software ver- tion allows the user to visually test the LED display sion number used in the particular transmitter being segments.

  • Page 45: Alarm Setpoint

    Model 20-03 SECTION 4.0 CONFIGURATION 4.13 ALARM SETPOINT. The alarm setpoints should 3. Press the SELECT ( ) key to adjust the value. be adjusted after completing the configuration proce- The display will acknowledge briefly with “AdJ” dure as outlined in Sections 4.2 to 4.10.

  • Page 46: Output Scale Expansion

    Model 20-03 SECTION 4.0 CONFIGURATION 4.14 OUTPUT SCALE EXPANSION. This section B. Full Scale Setpoint. This is the high dissolved should be followed only if the current output needs oxygen value that the user wants to correspond to 20 to be scaled to an operating range other than the mA DC output.

  • Page 47: Output Display/Output Simulation

    Model 20-03 SECTION 4.0 CONFIGURATION 4.15 OUTPUT DISPLAY/OUTPUT SIMULATION. The 4.16 HOLD. Press HOLD twice to put the transmitter on output may be displayed by pressing the OUTPUT key. HOLD, or to get the transmitter out of HOLD. The trans- The output is displayed in either milliamp DC or in per- mitter is on HOLD when the HOLD/FAULT flag is steady.
  • Page 48 Model 20-03 SECTION 5.0 START-UP AND CALIBRATION NOTES Page 42...

  • Page 49: Start-Up

    100% saturation is. 5.2 START-UP. The start-up procedure for the MODEL % Saturation is a relative measurement, therefore, 20-03 involves the configuration of the transmitter to your changes in process pressure can change what 100% particular process requirements and logging the various saturation is.

  • Page 50: Transmitter Zero

    Model 20-03 SECTION 5.0 START-UP AND CALIBRATION 3. Press the SELECT ( ) key to adjust the value. In order to eliminate any residual current in the loop the The display will acknowledge briefly with “AdJ” sensor must be placed in a zero DO solution and remain...

  • Page 51: Ppm Calibration

    START-UP AND CALIBRATION 5.3.3 ppm Calibration. 5.3.3.2 Grab Sample ppm Standardization. 5.3.3.1 Air Calibration The MODEL 20-03 Transmitter Air calibration is sufficient for most applications. For and the appropriate DO Sensor loop may be air cali- greater accuracy, the sensor may be standardized brated quite easily.

  • Page 52: Saturation Calibration

    This function is used to update the barometric pres- sure after the transmitter/sensor loop has been air The MODEL 20-03 Transmitter and the appropriate calibrated and the sensor is installed in the process. DO Sensor loop may be air calibrated quite easily.

  • Page 53: Calibration For Fermentation Applications

    Model 20-03 SECTION 5.0 START-UP AND CALIBRATION 5.4 CALIBRATION FOR FERMENTATION APPLICA- TIONS. C. Use SCROLL ( ) and SELECT ( ) keys as required to display the processes % saturation. The dissolved oxygen measuring loop including sensor, cable, and transmitter should be recalibrated prior to each D.

  • Page 54: Keyboard Security

    Model 20-03 SECTION 6.0 KEYBOARD SECURITY SECTION 6.0 KEYBOARD SECURITY 6.1 KEYBOARD SECURITY. 6.1.1 Keyboard Security (COd). Display Mnemonic “COd”. Select this feature to display 1. Enter Set Mode by pressing the ACCESS key the user defined security code. Any three digit number twice may be used for this code.

  • Page 55: Theory Of Operation

    7.1 GENERAL. brane, and therefore the sensor response, is linear with respect to oxygen partial pressure (assuming The MODEL 20-03 Dissolved Oxygen Transmitter au- constant sample temperature). tomatically and continuously measures concentrations of dissolved oxygen in water or aqueous solutions.

  • Page 56: Sample Temperature

    SECTION 7.0 THEORY OF OPERATION To determine the partial pressure of oxygen in air at vari- To compensate for temperature, the MODEL 20-03 ous levels of humidity and barometric pressure, the partial transmitter uses the thermistor (22KΩ at 25°C) incor- pressure of water is subtracted from the total barometric porated in the OxyProbe Sensor.

  • Page 57: Diagnostics And Troubleshooting

    SECTION 8.0 DIAGNOSTICS AND TROUBLESHOOTING SECTION 8.0 DIAGNOSTICS AND TROUBLESHOOTING 8.1 DIAGNOSTICS. The MODEL 20-03 Transmitter has 8.1.1 Fault Mnemonics. Table 8-1 lists the fault mne- a diagnostic feature which automatically searches for monics and describes the meaning of each.

  • Page 58: Troubleshooting

    8.2 TROUBLESHOOTING. 8.2.4 Sensor Troubleshooting. In addition to the fault mnemonics that directly relate to a possible The MODEL 20-03 Transmitter is designed with state- sensor problem (SEn, tcH, tcL), the transmitter can of-the-art microprocessor circuitry, making trouble- display the nanoamp input from the sensor. This shooting simple and direct.
  • Page 59 TABLE 8-4. Replacement Parts and Accessories DESCRIPTION DESCRIPTION AM-9227 Gasket, Rear cover AM-9260 Fuse, 0.1A, 3AG, 250V, Slo Blo AM-9228 Gasket, Front Cover AM-9262 Front Panel MODEL 20-03 AM-9229 PCB, Power Supply AM-9295 Enclosure AM-9248 PCB, Mother Board AM-9296 Enclosure, Rear Cover AM-9252...

  • Page 60: Return Of Materials

    Model 20-03 SECTION 9.0 RETURN OF MATERIALS SECTION 9.0 RETURN OF MATERIALS 9.1 GENERAL. 5. Send the package prepaid to: To expedite the repair and return of sensors, proper Broadley-James Corporation communication between the customer and the factory 19 Thomas is important.
  • Page 61 Model 20-03 SECTION 9.0 RETURN OF MATERIALS NOTES Page 55...
  • Page 62 • IMPORTANT This form must be completed to insure expedient factory service R E T U R N O F M AT E R I A L S R E Q U E S T RETURN TO: BILL TO: _______________________________________ _______________________________________________ _______________________________________________ KEY CONTACT...

  • Page 63: Warranty

    WARRANTY Goods and part(s) manufactured by Seller are warranted to be free from defects in workmanship and material under normal use and service for a period of twelve (12) months from the date of shipment by Seller. Goods and part(s) proven by Seller to be defective in workmanship and / or material shall be replaced or repaired, free of charge, F.O.B.
  • Page 64 ® Broadley-James Model 20 ALARM 1 ppm/%SAT % / mA HOLD ALARM 2 FAULT OxyProbe ® Dissolved Oxygen Transmitter OUTPUT HOLD ZERO F.S. ALARM ALARM TEMP ACCESS ® ENTE Broadley-James Model 20 SELECT BROADLEY ALARM 1 JAMES ppm/%SAT C O R P O R A T I O N % / mA ALARM 2 HOLD...

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