Totalizer/Frequency Option Card; Accessing The Calibration Menu; Entering Frequency - GE DigitalFlow DF868 Service Manual

1.7 Totalizer/Frequency Option Card

Totalizer/Frequency outputs may be added to the Model DF868 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 5 below. Refer to the menu
map in Figure 6 on page 13 as a guide.
For this discussion, assume that the option card has been installed in

1.7.1 Accessing the Calibration Menu

[CAL]
1. Press the key to enter the Calibration Program.
[Fx] Slot x
2. Press to select
[F1]-[F4]
3. Press to select output A, B, C or D, respectively.

1.7.2 Entering Frequency

4. Enter a new frequency in the range of 1-10,000 Hz and press the
the correct value.
DigitalFlow™ Multipurpose Ultrasonic Liquid Flowmeter Service Manual
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D
NO
D
COM
C
NO
C
COM
B
NO
B
COM
A
NO
A
COM
1
Figure 5: Frequency Counter Connections
. (The option bar will include a slot listing for each installed option card.)
Terminal Block (Option Card)
IN
Frequency
Counter
COM
Slot x
.
key. Verify that the frequency counter reads
[ENT]
Chapter 1. Calibration
11