Calibrating Slot 1 Option Cards - GE DigitalFlo XGM868i Service Manual

Panametrics general-purpose gas flow transmitter (1 & 2 channel)
Table of Contents

Advertisement

B.3
Calibrating Slot 0 Analog Outputs (cont.)
If the linearity test readings are not within 5 A of the values listed in Table 8, check the accuracy and wiring of the
ammeter. Then, repeat the low and high end calibrations. If the analog output still does not pass the linearity test,
contact the factory for assistance.
10. Double-click on Exit Function to return to the Calibration menu. Then choose another output to calibrate or click
on [Exit Page] to leave the Calibration/Test menu.
This completes calibration of the
inputs/outputs.
B.4 Calibrating Slot 1 Option Cards
To calibrate any option card installed in Slot 1 of the XGM868i, enter the Calibration/Test menu as shown in Figure 10
on page 42.
1. In the center pane, double-click on Slot 1.
Note: The
option only appears in the center pane if an option card has been installed in this slot.
Slot 1
Notice that all of the available outputs (usually four) appear at the above prompt. The desired type of output may
appear as the A and B output pair and/or as the C and D output pair. Simply select the appropriate output for calibration
and/or testing. For clarity in this chapter, the desired outputs are always placed in the A and B positions, and the C and
D positions are not specifically listed. In addition,
sub-section for specific instructions, and substitute the correct output letter for the "A" shown in the procedures.
DigitalFlow™ XGM868i Service Manual
Table 8: Expected Ammeter Readings
% Full Scale
4-20 mA Scale*
0
10
20
30
40
50
60
70
80
90
100
* all ammeter readings should be ±0.005 mA
analog outputs. Proceed to the appropriate section to calibrate additional
Slot 0
Output A
Appendix B. Calibration and Testing with PanaView
0-20 mA Scale*
4.000
5.600
7.200
8.800
10.400
12.000
10.000
13.600
12.000
15.200
14.000
16.800
16.000
18.400
18.000
20.000
20.000
is always used as an example. Proceed to the appropriate
0.000
2.000
4.000
6.000
8.000
45

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents