Teledyne GFC-7000T - Trace CO2 Analyzer - manual - Manual (Page 143)

Operating Instructions Model GFC7000TA Carbon Dioxide Analyzer
Teledyne Analytical Instruments 125
The following DC current output limits apply to the current loop modules:
Table 6-18: Analog Output Current Loop Range
RANGE MINIMUM OUTPUT MAXIMUM OUTPUT
0-20 mA 0 mA 20 mA
These are the physical limits of the current loop modules, typical
applications use 2-20 or 4-20 mA for the lower and upper limits. Please
specify desired range when ordering this option.
The default offset for all ranges is 0 mA.
Pin assignments for the output connector at the rear panel of the instrument are shown in Table 6-19.
ANALOG OUT
A1 A2 A3 A4
+ - + - + - + -
Table 6-19: Analog Output Pin Assignments
PIN ANALOG
OUTPUT
VOLTAGE
SIGNAL
CURRENT
SIGNAL
1
A1
V Out I Out +
2 Ground I Out -
3
A2
V Out I Out +
4 Ground I Out -
5
A3 1
V Out I Out +
6 Ground I Out -
7
A4
V Out Not used
8 Ground Not used
1 Output A3 is only used when the O
2
sensor option is installed
See Figure 3-2 for the location of the analog output connector on the instrument’s rear panel.