Testing Totalizer Outputs; Preparing For Testing; Testing The Output - GE DigitalFlo XGM868i Service Manual

Chapter 1. Calibration

1.7 Testing Totalizer Outputs

Totalizer outputs may be added to the Model XGM868i by installing an appropriate option card in Slot 1. This option
card contains two or four totalizer outputs, which are designated A, B, C and D.

1.7.1 Preparing for Testing

Prepare for the testing procedure by connecting a pulse counter to the desired output of the option card. See Figure 2
for totalizer output wiring, and Figure 4 on page 12 to identify the
J2.

1.7.2 Testing the Output

1. From the Keypad Program, press the right arrow key to scroll to the CALIB menu. Press [Enter].
2. In the Cal window, scroll to Slot 1. Press [Enter].
Note: The Slot 1 option only appears at the above prompt if an option card is installed in this slot.
3. Scroll to the desired Output. (
The procedure for testing all the outputs is the same. However, when testing another output, be sure to
IMPORTANT:
reconnect the pulse counter at terminal block J2. See Figure 4 on page 12 for the correct pins.
8
Totalizer Output
Transmitter
OUT
RTN
Frequency Output
Transmitter
+5V
200
OUT
RTN
Figure 2: Totalizer and Frequency Output Wiring
will be used as an example in this manual.) Press [Enter].
Output A
and pins for
OUT(+) RTN(-)
Pulse Counter
Volts +
(Int. Pwr. Sup.)
Load
Volts -
(Common)
Frequency Counter
IN
Common
DigitalFlow™ XGM868i Service Manual
on terminal block
Output A