Teledyne gfc 7000ta 194, 195, 198, 199, 201, 202, 203, 204, 207, 211, 212, 213, 219, 224, 225

Table of Contents			Model GFC7000TA Carbon Dioxide Analyzer
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 O2 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

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