GE DigitalFlo XGM868i, Руководство по обслуживанию

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Appendix B. Calibration and Testing with PanaView
44 DigitalFlow™ XGM868i Service Manual
B.3 Calibrating Slot 0 Analog Outputs (cont.)
3. Double-click on either Output A or Output B to open the Analog Output menu. (
Output A
will be used as an
example in this manual.)
IMPORTANT: The procedure for calibrating Output B is identical to that for calibrating Output A . However, when
calibrating
Output B
, be sure to reconnect the ammeter on terminal block
J1
. See Figure 11 on page 43 for
the correct pin numbers.
4. Double-click on 4 milliamps to calibrate the low end of the output range.
5. Double-click on 4 mA UP or 4 mA DOWN t o adjust the ammeter reading
UP
or
DOWN
, until a 4 mA reading is
achieved, or
Double-click on 4 mA Numer, and directly enter the mA reading in the right pane.
6. Once you have achieved a 4 mA reading, double-click on either 4 mA STORE to store the calibration, or on 4 mA
ABORT to exit the menu without storing the calibration.
Note:
If the ammeter reading cannot be adjusted within 5.0

A of the 4 or 20 mA setting, contact the factory for
assistance.
7. PanaView returns to the Analog Output window. Double-click on 20 milliamps , and repeat steps 5 and 6 to
calibrate the high end of the output range.
Note:
Skip the following prompt, if linearity testing of the output will not be performed at this time.
8. Double-click on % Test to test the linearity of the currently selected analog output.
9. Check the ammeter reading at 50% output . Then, enter a different output (0-100%) and double-click on percent .
Check the ammeter reading at this setting and click
[Exit Page]
when done.
Table 8 on page 45 lists the expected ammeter readings at various % Full Scale settings, for both 4-20 mA and 0-20
mA scales. Refer to this table to verify the accuracy of the ammeter readings taken above.