Teledyne GFC-7000T - Trace CO2 Analyzer - manual - Manual (Page 16)

Table of Contents Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments xvi
Figure 9-6: Chopped IR Signal .................................................................................................................... 191
Figure 9-7: Internal Pneumatic Flow – Basic Configuration ........................................................................ 194
Figure 9-8: Flow Control Assembly & Critical Flow Orifice .......................................................................... 195
Figure 9-9: GFC 7000TA Electronic Block Diagram .................................................................................... 198
Figure 9-10: CPU Board ................................................................................................................................ 199
Figure 9-11: GFC Light Mask ........................................................................................................................ 201
Figure 9-12: Segment Sensor and M/R Sensor Output ................................................................................. 202
Figure 9-13: GFC 7000TA Sync / Demod Block Diagram ............................................................................. 203
Figure 9-14: Sample & Hold Timing ............................................................................................................... 204
Figure 9-15: Location of relay board Status LED’s ........................................................................................ 207
Figure 9-16: Power Distribution Block Diagram ............................................................................................. 211
Figure 9-17: Front Panel and Display Interface Block Diagram .................................................................... 212
Figure 9-18: Basic Software Operation .......................................................................................................... 213
Figure 10-1: Viewing and Clearing Warning Messages ................................................................................ 219
Figure 10-2: Example of Signal I/O Function ................................................................................................. 224
Figure 10-3: CPU Status Indicator ................................................................................................................. 225
Figure 10-4: Sync/Demod Board Status LED Locations ............................................................................... 226
Figure 10-5: Relay Board Status LEDs .......................................................................................................... 226
Figure 10-6: GFC 7000TA – Basic Internal Gas Flow ................................................................................... 229
Figure 10-7: Internal Pneumatic Flow – Ambient Zero/Pressurized Span Valves ......................................... 230
Figure 10-8: Internal Pneumatic Flow – Ambient Zero/Ambient Span .......................................................... 231
Figure 10-9: GFC 7000TA – Internal Pneumatics with O
2
Sensor Option 65A ............................................. 232
Figure 10-10: Critical Flow Restrictor Assembly Disassembly ........................................................................ 251
Figure 10-11: Opening the GFC Wheel Housing ............................................................................................. 252
Figure 10-12: Removing the GFC Wheel ........................................................................................................ 253
Figure 11-1: Triboelectric Charging ............................................................................................................... 255
Figure 11-2: Basic anti-ESD Work Station ..................................................................................................... 258
LIST OF TABLES
Table 2-1: Model GFC 7000TA Basic Unit Specifications ..................................................................................... 5
Table 3-1: Display and Touchscreen Control Description ................................................................................... 13
Table 3-2: Rear Panel Description ....................................................................................................................... 16
Table 3-3: Analog Input Pin Assignments ............................................................................................................ 21
Table 3-4: GFC 7000TA Analog Output Pin Outs ................................................................................................ 22
Table 3-5: Status Output Pin-outs ........................................................................................................................ 23
Table 3-6: Control Input Pin-outs ......................................................................................................................... 24
Table 3-7: Rear Panel Pneumatic Connections ................................................................................................... 26
Table 3-8: Front Panel Display During System Warm-Up ................................................................................... 34
Table 3-9: Possible Warning Messages at Start-Up ............................................................................................ 35
Table 5-1: Ambient Zero/Pressurized Span Valve Operating States .................................................................. 54
Table 5-2: Ambient Zero/Ambient Span Valve Operating States ........................................................................ 55
Table 6-1: Analyzer Operating modes ................................................................................................................. 64
Table 6-2: Test Functions Defined ....................................................................................................................... 65
Table 6-3: List of Warning Messages .................................................................................................................. 67
Table 6-4: Primary Setup Mode Features and Functions .................................................................................... 69
Table 6-5: Secondary Setup Mode Features and Functions ............................................................................... 69
Table 6-6: Front Panel Sample LED Status Indicators for DAS .......................................................................... 71
Table 6-7: DAS Data Channel Properties ............................................................................................................ 72
Table 6-8: DAS Data Parameter Functions ......................................................................................................... 73
Table 6-9: Password Levels ................................................................................................................................. 97
Table 6-10: Com Port Communication Modes ..................................................................................................... 106
Table 6-11: Ethernet Status Indicators ................................................................................................................ 108
Table 6-12: LAN/Internet Configuration Properties .............................................................................................. 109
Table 6-13: Internet Configuration Touchscreen Functions ................................................................................. 113