GE DigitalFlow GC868, Руководство по обслуживанию

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Calibration 1-13
April 2008
Testing the Totalizer/
Frequency Outputs
Totalizer/frequency outputs may be added to the Model GC868 by
installing a
Totalizer/Frequency Option Card in one (or more) of the
six expansion slots. Each option card includes four outputs, which are
designated as A, B, C and D. To test the outputs, connect a frequency
counter to the card’s terminal block as shown in Figure 1-5 below.
Refer to the menu map in Figure 1-6 on page 1-15 as a guide.
Figure 1-5: Frequency Counter Connections
For this discussion, assume that the option card has been installed in
Slot x
.
Accessing the Calibration
Menu
1. Press the
[CAL]
key to enter the Calibration Program .
2. Press
[Fx]
to calibrate the desired slot. (The option bar will include
a slot listing for each installed option card.)
3. Press
[F1]-[F4]
to select output A, B, C or D, respectively.
Entering Frequency
4. Enter a new frequency in the range of 1-10,000 Hz and press the
[ENT]
key. Verify that the frequency counter reads the correct
value.
Terminal Block (Option Card)
A
NO
A
COM
B
B
D
D
C
C
Frequency
1
8
Counter
IN
COM
COM
NO
COM
NO
COM
NO