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Getting Started 
 Model GFC7000TA Carbon Dioxide Analyzer 
 
 
Teledyne Analytical Instruments 
19 
Purge
 G
as
Flow Control
 
Figure 3-7: 
GFC 7000TA Internal Gas Flow 
 
3.5. Electrical Connections 
 
WARNING 
Never disconnect PCAs, wiring harnesses or electronic subassemblies while the 
instrument is under power.
 
NOTE  
To maintain compliance with EMC standards, it is required that the cable length be no greater than 3 
meters for all I/O connections, which include Analog In, Analog Out, Status Out, Control In, Ethernet/LAN, 
USB, RS-232, and RS-485.   
 
Refer to Figure 3-4 for the locations of the rear panel connections.