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Teledyne Analytical Instruments 

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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

 

 

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