User ManualTable of ContentsGENERAL INFORMATION171. INTRODUCTION191.1. T703/T703U Calibrator Overview191.2. Options202. SPECIFICATIONS AND APPROVALS212.1. Specifications21T703/T703U System Specifications21T703/T703U Specifications for Ozone Generator212.2. Approvals and Certifications222.2.1. Safety222.2.2. EMC222.2.3. Other Type Certifications22T703/T703U Specifications for O3 Photometer223. GETTING STARTED233.1. Unpacking and Initial Setup233.1.1. Front, Rear, and Internal Calibrator Description24Front Panel Layout24Display Screen and Touch Control25Display Screen and Touch Control Description25Display/Touch Control Screen Mapped to Menu Charts26Rear Panel Layout27Rear Panel Description27T703 Internal Layout – Top View28T703 Pneumatic Diagram29T703U Internal Layout - Top View30T703U Pneumatic Diagram313.2. Electrical Connections323.2.1. Power Connection323.2.2. Analog output Test Channel Connections32TEST CHANNEL Connector323.2.3. Connecting the Status Outputs33Status Output Connector33Status Output Pin Assignments333.2.4. Connecting the Control Inputs34Control Input Pin Assignments34Digital Control Input Connectors353.2.5. Connecting the Control Outputs36Digital Control Output Connector36Control Output Pin Assignments363.2.6. Communication Connections373.2.6.1. Ethernet Connection373.2.6.2. USB Option Connection373.2.6.3. RS-232 and RS485 Connection373.2.6.4. Multidrop Network Connection373.3. Pnenumatic Connections383.3.1. Dry Air In383.3.2. Zero Air In38Basic Pneumatic Setup383.3.3. Output Manifold393.3.4. Exhaust393.3.5. Measuring An External Ozone Source393.4. Initial Operation393.4.1. Start-Up393.4.2. Warm Up393.4.3. Warning Messages40Possible Warning Messages at Start-Up413.4.4. Functional Check423.4.5. Operating Modes for the O3 Generator433.4.5.1. CNST (CONSTANT)433.4.5.2. REF (REFERENCE)433.4.5.3. BNCH (BENCH)433.4.6. Setting the O3 Generator Mode433.4.7. Setting the output Flow Rate443.4.7.1. Calculating Output Flow Rate443.4.7.2. Flow Setup for GPT44Pressure Regulator Adjustment Knob44OPERATING INSTRUCTIONS454. OPERATING THE CALIBRATOR474.1. Test Functions48Test Functions Defined484.2. Overview of Operating modes49Front Panel Display49Calibrator Operating Modes494.3. Standby Mode504.4. General Information about the GENERATE mode514.4.1. GENERATE AUTO: Basic Generation of Calibration Gas514.5. Automatic Calibration Sequences524.5.1. SETUP SEQ: Programming Calibration Sequences52Automatic Calibration SEQUENCE Set Up Attributes52Calibration SEQUENCE Step Instruction524.5.1.1. Activating a Sequence from the T703/T703U Front Panel534.5.1.2. Naming a Sequence544.5.1.3. Setting the Repeat Count for a Sequence554.5.1.4. Using the Internal Clock to Trigger Sequences564.5.1.5. Setting Up Control Inputs for a Sequence594.5.1.6. Setting Up Control Outputs for a Sequence604.5.1.7. Setting the Progress Reporting Mode for the Sequences61Sequence Progress Reporting Mode614.5.2. Adding Sequence Steps624.5.2.1. The GENERATE Step634.5.2.2. The STANDBY Step644.5.2.3. The DURATION Step644.5.2.4. The EXECSEQ Step654.5.2.5. The CC OUTPUT Step664.5.2.6. Deleting or Editing an Individual Step in a Sequence674.5.3. Deleting a Sequence684.6. SETUP CFG694.7. SETUP CLK704.7.1. Setting the Internal Clock’s Time and Day704.7.2. Adjusting the Internal Clock’s speed714.8. SETUP PASS72Password Levels724.9. SETUP DIAG TEST CHAN OUTPUT: Using the TEST Channel Analog Output744.9.1. Configuring the TEST Channel Analog Output744.9.1.1. The Analog I/O Configuration Submenu74TEST CHANNEL Connector74DIAG - Analog I/O Functions744.9.1.2. Selecting a TEST Channel Function to Output76Test Channels Functions Available on the Analog Output764.9.1.3. TEST Channel Voltage Range Configuration78Analog Output Voltage Range Min/Max784.9.1.4. Turning the TEST Channel Over-Range Feature ON/OFF794.9.1.5. Adding a Recorder Offset to the TEST Channel804.9.2. TEST Channel Calibration814.9.2.1. Enabling or Disabling the TEST CHANNEL Auto-Cal Feature824.9.2.2. Automatic TEST Channel Calibration834.9.2.3. Manual Calibration of the TEST Channel Configured for Voltage Ranges85Setup for Calibrating the TEST CHANNEL85Voltage Tolerances for the TEST CHANNEL Calibration854.9.3. AIN Calibration874.10. SETUP MORE VARS: Internal Variables (VARS)88Variable Names (VARS)884.11. Operating the Calibrator as an O3 Photometer904.11.1. Set up for Operation as an O3 Photometer90Set up to Measure an External O3 Source904.12. SETUP LVL: Setting up and using LEADS (Dasibi) Operating Levels924.12.1. General Information about LEADS LEVELS924.12.2. Dot commands924.12.3. Levels934.12.4. Activating an existing LEVEL934.12.5. Programming New LEVELS944.12.5.1. Creating a Generate LEVEL954.12.5.2. Editing or Deleting a LEVEL96LEADS Level Display Format964.12.6. Configuring LEVEL Status Blocks975. COMMUNICATIONS995.1. Using the Analyser’s Communication Ports995.1.1. RS-232 DTE and DCE Communication995.1.2. Serial COM Port Default Settings and Connector Pin Assignments100Default Pin Assignments for Rear Panel COM Port connectors (RS-232 DCE & DTE)100CPU COM1 & COM2 Connector Pin-Outs for RS-232 Mode1015.1.3. COM Port Baud Rate1025.1.4. COM Port Communication Modes103COM Port Communication Modes1035.1.5. COM Port Testing1055.1.6. Machine ID1065.1.7. Terminal Operating Modes1075.1.7.1. Help Commands in Terminal Mode107Terminal Mode Software Commands1075.1.7.2. Command Syntax1085.1.7.3. Data Types108Teledyne API Serial I/O Command Types1085.1.7.4. Status Reporting1095.1.7.5. General Message Format1095.1.7.6. COM Port Password Security1105.2. Remote Access by Modem1115.3. Multidrop RS-232 Set Up113Jumper and Cables for Multidrop Mode114RS232-Multidrop PCA Host/Calibrator Interconnect Diagram1155.5. Remote Access via the USB Port (Option)1165.6.1. Configuring the Ethernet Interface using DHCP118Ethernet Status Indicators118LAN/Internet Configuration Properties1195.6.1.1. Manually Configuring the Network IP Addresses1215.6.2. Changing the Calibrator’s Hostname123APICOM Remote Control Program Interface1246. CALIBRATION AND VERIFICATION1256.1.1. Setup for Verifying and Calibrating the O3 Photometer125Set up for Verifying Optional O3 Photometer Using Internal O3 Generator1256.1.1.1. Calibration Manifold Exhaust/Vent Line126Set up for Verifying Optional O3 Photometer Using an External O3 Generator1266.1.2. Verifying O3 Photometer Performance1276.1.3. Calibrating the O3 Photometer1286.1.3.1. Photometer Zero Calibration1286.1.3.2. Photometer Span Calibration1296.1.4. O3 Photometer Dark Calibration1306.1.5. O3 Photometer Backpressure Compensation Calibration1316.2.1. O3 Generator Calibration table1326.2.2. Viewing O3 Generator Calibration Points1336.2.3. Adding or Editing O3 Generator Calibration Points1346.2.4. Deleting O3 Generator Calibration Points1356.2.5. Turning O3 Generator Calibration Points ON / OFF1366.2.6. Performing an Automatic Calibration of the O3 Generator1376.3.1. Gas Pressure Sensor Calibration Set Up138Pressure Calibration Monitor Point – T703138T703/T703U Pressure Sensors138Pressure Calibration Monitor Points – T703U139Pressure Regulator Monitor Connection Point (T703 and T703U)1396.3.2. Calibrating the Pressure Sensors140O3 Regulator Pressure Monitor Point (T703U only)140T703/T703U Gas Pressure to Output Flow conversion Table1426.4.1. Calibrating the Photometer’s Sample Gas Flow1436.4.2. Calibrating the Output Gas Flow1446.4.2.1. Output Gas Flow Set Up144Output Flow Calibration Monitor Point – T7031446.4.2.2. Performing an Output Gas Flow Calibration145TECHNICAL INFORMATION1477. MAINTENANCE SCHEDULE & PROCEDURES149T703 Maintenance Schedule1517.2. Performing Leak Checks1537.2.1. Pressure Leak Check153T703 Pneumatic setup for performing Pressure Leak Checks154T703U Pneumatic Setup for Performing Pressure Leak Checks1547.4. Rebuilding the Dry Air Pump1557.6. Photometer UV Source Lamp Replacement157Photometer – Location of UV Detector Gain Adjustment & UV Lamp Set Screw157O3 Generator Temperature Thermistor and DC Heater Locations159Location of O3 Generator Reference Detector Adjustment Pot1598. GENERAL TROUBLESHOOTING & SERVICE1618.1.1. Fault Diagnosis with WARNING Messages162Front Panel Warning Messages1648.1.2. Fault Diagnosis With Test Functions165Test Functions - Indicated Failures1658.1.3. Using the Diagnostic Signal I/O Function167Example of Signal I/O Function168Test Channel Outputs as Diagnostic Tools1698.3. Using the Internal Electronic Status LEDs1708.3.1. CPU Status Indicator1708.3.2. Relay PCA Status LEDs1708.3.2.1. I2C Bus Watchdog Status LEDs170CPU Status Indicator170Relay PCA Watchdog LED Failure Indications1708.3.2.2. Troubleshooting with Relay Board Status LEDs171Relay PCA Status LEDs Used for Troubleshooting171Relay PCA Status LED Failure Indications1718.4.1. Verify Subsystem Calibration1728.4.2. AC Main Power1728.4.3. DC Power Supply173Location of DC Power Test Points on Relay PCA173DC Power Test Point and Wiring Color Codes1738.4.4. I2C Bus1748.4.5. Touchscreen Interface1748.4.6. LCD Display Module174DC Power Supply Acceptable Levels1748.4.7. Relay PCA1758.4.8. Photometer O3 Generator Pressure /Flow Sensor Assembly175Relay PCA Control Devices1758.4.9. Motherboard1778.4.9.1. A/D Functions1778.4.9.2. Test Channel / Analog Outputs Voltage1788.4.9.3. Status Outputs179Analog Output Test Function - Nominal Values Voltage Outputs179Status Outputs Check1798.4.9.4. Control Inputs180T703 Control Input Pin Assignments and Corresponding Signal I/O Functions1808.4.9.5. Control Outputs1818.4.10. CPU181Control Outputs Pin Assignments and Corresponding Signal I/O Functions Check1818.4.11. RS-232 Communications1828.4.11.1. General RS-232 Troubleshooting1828.4.11.2. Troubleshooting Calibrator/Modem or Terminal Operation1828.4.12. Temperature Problems1838.4.12.1. Box / Chassis Temperature1838.4.12.2. Photometer Sample Chamber Temperature1838.4.12.3. UV Lamp Temperature1838.4.12.4. Ozone Generator Temperature1848.5. Troubleshooting the O3 Photometer1848.5.1. Dynamic Problems with the O3 Photometer1848.5.1.1. Noisy or Unstable O3 Readings at Zero1848.5.1.2. Noisy, Unstable, or Non-Linear Span O3 Readings1858.5.1.3. Slow Response to Changes in Concentration1858.5.1.4. The Analog Output Signal Level Does Not Agree With Front Panel Readings1858.5.1.5. Cannot Zero1858.5.1.6. Cannot Span1858.5.2. Checking Measure / Reference Valve1868.6. Trouble Shooting the O3 Generator1868.6.1. Troubleshooting the O3 Generator in the T7031868.6.2. Troubleshooting the O3 Generator in the T703U1878.7. Repair Procedures1878.7.1. Repairing Sample Flow Control Assembly187Critical Flow Restrictor Assembly Disassembly1888.7.2. Disk-On-Module Replacement Procedure1898.8. FAQ’s1908.9. Technical Assistance1909. PRINCIPLES OF OPERATION1919.1. Pneumatic Operation1919.1.1. Gas Flow Control1919.1.1.1. Photometer Critical Flow Orifice1929.1.2. Internal Gas Pressure Sensors1929.2. Electronic Operation1939.2.1. Overview193Electronic Block Diagram1939.2.2. Central Processing Unit (CPU)194CPU Board Annotated1949.2.2.1. Disk On Module (DOM)1959.2.2.2. Flash Chip1959.2.3. Relay PCA1959.2.3.1. Valve Control196Relay Board PCA with AC Relay Retainer Removed1969.2.3.2. Heater Control1979.2.3.3. Relay PCA Status LEDs and Watch Dog Circuitry197Heater Control Loop Block Diagram197Status LED Locations – Relay PCA1979.2.3.4. Relay PCA Watchdog Indicator (D1)198Relay Board Status LEDs1989.2.4. Motherboard1999.2.4.1. A to D Conversion1999.2.4.2. Sensor Inputs1999.2.4.3. Thermistor Interface1999.2.4.4. Analog Outputs1999.2.4.5. External Digital I/O2009.2.4.6. I2C Data Bus2009.2.4.7. Power-up Circuit2009.2.5. Power Supply and Circuit Breaker2009.2.6. AC Power Configuration201Power Distribution Block diagram2019.2.6.1. AC Configuration – Internal Pump (JP7)202Location of the AC Configuration Jumper for the Dry Air Pump202AC Power Configuration for Internal Pumps (JP7)202Pump AC Power Jumpers (JP7)203Front Panel Layout2039.3.1.1. Front Panel Interface PCA204Schematic of Basic Software Operation2049.5. O3 Generator Operation2059.5.1. Principle of Photolytic O3 Generation205O3 Generator Internal Pneumatics2069.5.2. Generator Pneumatic Operation2079.5.3. O3 Generator Electronic Operation207O3 Generator Valve and Gas Fixture Locations207O3 Generator Electronic Block Diagram208O3 Generator Electronic Components Location2089.5.3.1. O3 Generator Temperature Control209O3 Generator Temperature Thermistor and DC Heater Locations2099.6.1. Measurement Method2109.6.1.1. Calculating O3 Concentration2109.6.1.2. The Measurement / Reference Cycle211T703 O3 Photometer Gas Flow – Measure Cycle212Photometer Measurement / Reference Cycle212T703 O3 Photometer Gas Flow – Reference Cycle213T703U O3 Photometer Gas Flow – Measure Cycle2139.6.1.3. The Absorption Path214T703U O3 Photometer Gas Flow – Reference Cycle2149.6.1.4. Interferent Rejection215O3 Photometer Absorption Path2159.6.2. Photometer Layout2169.6.3. Photometer Pneumatic Operation216O3 Photometer Layout – Top Cover Removed2169.6.4. Photometer Electronic Operation217O3 Photometer Electronic Block Diagram2179.6.4.1. O3 Photometer Temperature Control2189.6.4.2. Pneumatic Sensors for the O3 Photometer21810. A PRIMER ON ELECTRO-STATIC DISCHARGE219Triboelectric Charging21910.2. How Electro-Static Charges Cause Damage220Static Generation Voltages for Typical Activities220Sensitivity of Electronic Devices to Damage by ESD22010.4. Basic Principles of Static Control22210.4.1. General Rules222Basic anti-ESD Work Station22210.4.2. Basic anti-ESD Procedures for Instrument Repair and Maintenance22410.4.2.1. Working at the Instrument Rack22410.4.2.2. Working at an Anti-ESD Work Bench22410.4.2.3. Transferring Components from Rack to Bench and Back22510.4.2.4. Opening Shipments from Teledyne API22510.4.2.5. Packing Components for Return to Teledyne API226Size: 7.7 MBPages: 297Language: EnglishOpen manual