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Principles Of Operation Model T101 Instruction Manual
266
be adjusted through a potentiometer. These adjustments should only be performed when
encountering problems with the software calibration that cannot be rectified otherwise.
See Section 9.6.4 for this hardware calibration.
To
Motherboard
PMT Preamp PCA
Low Pass
Noise
Filter
Electrical Test Control
From CPU
MUX
Amp to
Voltage
Converter/
Amplifier
D-A
Converter
PMT Coarse
Gain Set
(Rotary
Switch)
PMT Fine
Gain Set
(Rotary
Switch)
PMT
Signal
Offset
Electrical Test
Generator
Optical Test
Generator
Optical Test Control
From CPU
PMT Temp
Sensor
PMT
Temperature
Feedback
Circuit
TEC Control
PCA
PMT Output
PMT HV PS
Drive Voltage
PMT Temp Analog Signal
to Motherboard
PMT Output Signal
(PMT) to Motherboard
Optical Test LED
Figure 10-16. PMT Preamp Block Diagram
The PMT temperature control loop maintains the PMT temperature around 7° C and can
be viewed as test function PMT TEMP on the front panel.
The electrical test (ETEST) circuit generates a constant, electronic signal intended to
simulate the output of the PMT (after conversion from current to voltage). By bypassing
the detector’s actual signal, it is possible to test most of the signal handling and
conditioning circuitry on the PMT preamplifier board. See Section 4.6.5 for instructions
on perform
ing this test.
The optical test (OT
EST) feature causes an LED inside the PMT cold block to create a
light signal that can be measured with the PMT. If zero air is supplied to the analyzer,
the entire measurement capability of the sensor module can be tested including the PMT
and the current to voltage conversion circuit on the PMT preamplifier board. See
Section 4.6.4 for instructions on performing this test.
07266B DCN6485
- MODEL T101 1
- UV FLUORESCENCE H 1
- S ANALYZER 1
- SAFETY MESSAGES 5
- CONSIGNES DE SÉCURITÉ 6
- WARRANTY 7
- ABOUT THIS MANUAL 9
- REVISION HISTORY 9
- 07266B DCN6485 10
- TABLE OF CONTENTS 11
- LIST OF APPENDICES 16
- LIST OF FIGURES 17
- LIST OF TABLES 18
- 1. INTRODUCTION 21
- 1.2. OPTIONS 22
- PARAMETER 25
- DESCRIPTION 25
- 2.2.1. SAFETY 26
- 2.2.2. EMC 26
- 3. GETTING STARTED 27
- 3.2. INSTRUMENT LAYOUT 28
- 3.2.2. REAR PANEL 32
- 3.3. ELECTRICAL CONNECTIONS 35
- ANALOG OUT 36
- 3.4. PNEUMATIC CONNECTIONS 41
- FL O W 44
- CO NTR O L 44
- Permeation Tube Heater 50
- INSTRUMENT CHASSIS 51
- VACUUM MANIFOLD 51
- 51
- NO 51
- CALIBRATION 52
- 3.5.4. FUNCTIONAL CHECK 54
- 3.6. INITIAL CALIBRATION 55
- 3.6.2. INTERFERENCES FOR H 58
- S MEASUREMENTS 58
- 4. OPERATING INSTRUCTIONS 59
- 4.2. SAMPLE MODE 60
- 4.2.2. WARNING MESSAGES 63
- 4.3. CALIBRATION MODE 64
- 4.4. SETUP MODE 66
- 4.4.4.7. Range Units 74
- 4.4.4.8. Dilution Ratio 75
- Table 4-6. Password Levels 76
- PRIMARY SETUP MENU 77
- SECONDARY SETUP MENU 78
- NO. VARIABLE DESCRIPTION 80
- ALLOWED 80
- See Section 6.8.1 81
- Press the PREV 82
- FUNCTIONS 83
- 4.6.1. SIGNAL I/O 85
- Table 4-12 88
- 4.6.3), then press: 93
- (Figure 4-5) 95
- 4.6.3.6. AIN Calibration 97
- 4.6.4. OPTIC TEST 99
- 4.6.5. ELECTRICAL TEST 100
- 4.6.6. LAMP CALIBRATION 101
- 4.6.7. PRESSURE CALIBRATION 102
- 4.6.8. FLOW CALIBRATION 103
- 4.6.9. TEST CHANNEL OUTPUT 104
- COMMUNICATION PORTS 105
- 4.7.4. RS-485 CONFIGURATION 109
- Contact your IT 113
- Network Administrator 113
- BUTTON FUNCTION 115
- >\ 115
- 4.7.7. USB CONFIGURATION 116
- RS-232 port 120
- 4.7.9. MODBUS SET UP 121
- ID DESCRIPTION 123
- 4.7.11. COM PORT BAUD RATE 125
- 4.7.12. COM PORT TESTING 126
- 4.8.1. DAS STRUCTURE 127
- 4.8.1.2. DAS Parameters 128
- 4.8.2. DEFAULT DAS CHANNELS 130
- LIST OF PARAMETERS 131
- LIST OF CHANNELS 131
- 0) CONC: ATIMER, 4, 800 133
- 4.8.2.3. Trigger Events 135
- Press SET> until… 136
- 4.8.2.6. Number of Records 139
- 4.8.2.8. Compact Report 141
- 4.8.2.9. Starting Date 141
- 4.8.2.11. HOLDOFF Feature 143
- 5. REMOTE OPERATION 145
- 5.1.1.2. Control Inputs 147
- 5.1.2.3. Command Syntax 150
- 5.1.2.4. Data Types 150
- 5.1.2.5. Status Reporting 151
- Parameter Standard Hessen 157
- Data Bits 8 7 157
- Stop Bits 1 2 157
- Parity None Even 157
- Duplex Full Half 157
- 6. CALIBRATION PROCEDURES 165
- 6.1.2. ZERO AIR 166
- 6.1.3. GAS STANDARDS 166
- 6.1.4. PERMEATION TUBES 166
- 6.2. MANUAL CALIBRATION 167
- Chassis 168
- STEP TWO: Set the expected H 169
- (At high 172
- span gas value: 173
- ZERO/SPAN VALVES 176
- No Valve Options Installed 180
- Table 6-2. AutoCal Modes 181
- 0.5 hours later each day 183
- Default 184
- REPORTING RANGE MODES 185
- MEASUREMENT MODE 186
- 6.10. CALIBRATION QUALITY 187
- 7. EPA PROTOCOL CALIBRATION 189
- TRACEABILITY 191
- 7.1.5. CALIBRATION FREQUENCY 192
- 7.1.6. RECORD KEEPING 192
- Table 7-3. Activity Matrix 193
- 7.3. ZERO AND SPAN CHECKS 195
- 7.4.1. PRECISION CALIBRATION 196
- 7.4.2. PRECISION CHECK 196
- 7.7. REFERENCES 198
- 8. INSTRUMENT MAINTENANCE 199
- 198 047400102 Rev XC 200
- 8.3. MAINTENANCE PROCEDURES 204
- 8.3.3. MAINTAINING THE SO 205
- SCRUBBER 205
- To check to see if your SO 206
- 8.3.5. MAINTAINING THE H 208
- CONVERTER 208
- 8.3.5.3. Changing the H 209
- 9.1. GENERAL TROUBLESHOOTING 213
- 9.1.4. STATUS LEDS 220
- Motherboard 221
- CPU Status LED 221
- 9.2. GAS FLOW PROBLEMS 222
- 9.3. CALIBRATION PROBLEMS 223
- 9.3.2. NO RESPONSE 224
- 9.3.6. NON-LINEAR RESPONSE 225
- 9.4.1. EXCESSIVE NOISE 226
- 9.4.2. SLOW RESPONSE 226
- 9.5. SUBSYSTEM CHECKOUT 227
- 9.5.4. DC POWER SUPPLY 229
- 9.5.8. RELAY BOARD 230
- 9.5.5. I 230
- 9.5.6. TOUCHSCREEN INTERFACE 230
- 9.5.7. LCD DISPLAY MODULE 230
- 9.5.9. MOTHERBOARD 231
- 9.5.10. CPU 232
- 9.5.11. RS-232 COMMUNICATION 233
- 9.5.12. PMT SENSOR 234
- 9.5.17. IZS OPTION 235
- 9.6. REPAIR PROCEDURES 236
- 9.6.3. REPLACING THE UV LAMP 239
- 9.8. TECHNICAL ASSISTANCE 243
- 10. PRINCIPLES OF OPERATION 245
- SO2OH2O3SH2 246
- SOaxexp1IIa 247
- = The rate at which the SO 248
- = Amount of excited state SO 248
- 10.2.1. UV SOURCE LAMP 249
- 10.2.3. THE PMT 250
- 10.2.4. OPTICAL FILTERS 251
- 10.2.5. OPTICAL LENSES 252
- 10.2.6.3. Dilution 254
- 10.2.6.5. Light Pollution 254
- 10.3. PNEUMATIC OPERATION 255
- 10.3.1. SAMPLE GAS FLOW 256
- SWITCHING 257
- 10.3.3. FLOW RATE CONTROL 257
- 10.3.6. SO 259
- 10.3.7. PNEUMATIC SENSORS 260
- CPU Card 261
- 10.4.1. CPU 263
- Figure 10-13. PMT Assembly 265
- 10.4.5. PMT COOLING SYSTEM 266
- 10.4.6. PMT PREAMPLIFIER 267
- PMT Preamp PCA 268
- 10.4.8.1. Heater Control 269
- 10.4.8.2. Valve Control 269
- 10.4.10.1. A to D Conversion 271
- 10.4.10.2. Sensor Inputs 271
- 10.4.11. ANALOG OUTPUTS 272
- 10.4.13. I 273
- C DATA BUS 273
- 10.4.14. POWER UP CIRCUIT 273
- 10.7.1. ADAPTIVE FILTER 276
- FEATURE 278
- 11.4.1. GENERAL RULES 282
- AND MAINTENANCE 284
- DO NOT use pink-poly bags 286
- GLOSSARY 287
- (Primary Setup Menu) 294
- ENTER SETUP PASS: 818 297
- GAS TYPE 299
- REPORTED 299
- Name Description 320
- Name Description Units 322
- MODBUS Coil Registers 326
- (single-bit; read/write) 326
- T101 Spare Parts List 329
- 07266B DCN6845 332
- Appendix C 333
- T101, M101E 333
- Auxiliary I/O Board (USB) 356
- Auxiliary I/O Board (ADC) 357
- GUI Interface 358
- Mode R32 R45 360
- Default A A 360
- MBUS B B 360
- From ICOP CPU 371
- To LCD Display 371
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