GE PT878GC Manual de usuario descargar pdf (Pagina 223)

April 2004

9-22 Servicing the PT878GC

Calibrating the Analog Output (cont.)

1. Connect a digital multimeter or ammeter to the analog output.

2. The next prompt asks for the setpoint (4 or 20 mA). Use the

[

W ] and [X] arrow keys to move to the appropriate radio

button and press

[ENTER].

3. The next prompt asks you to enter the actual value shown on

the multimeter or ammeter.

a. Press

[ENTER] to open the text box.

b. Use the numeric keys to enter the measured value.

c. Press

[ENTER] to confirm your entry.

4. Repeat steps 2 and 3 for the other setpoint.

5. Press the [

T ] arrow key to move to the Calibrate box, and

then press

[ENTER] to calibrate the output.

If you are unsatisfied with the calibration, you can reset the inputs

to factory defaults. Press the [

X] arrow key to move to the Reset

box, and then press

[ENTER] to undo the calibration.

You have completed calibrating the outputs. To leave the Output

window,

• Press the [S] key to return to the Output tab, and the [X]

arrow key to move to the Input tab.

• Press [F2] (Cancel) to return to Operate Mode without

confirming the changes.

• Press [F3] (OK) to confirm the new data. The PT878GC

returns to Operate Mode.

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GE PT878GC Manual de usuario Pagina 223