Accessing The Calibration Menu; Alow Option = [F1]; Ahigh Option = [F2]; Ma Option = [F3] - GE DigitalFlow GS868 Service Manual

1.5.1 Accessing the Calibration Menu

[CAL]
1. Press the key to enter the Calibration Program.
[Fx]
2. Press to calibrate the desired slot. (The option bar will include a slot listing for each installed option card.)
[Fx]
3. Press to select the desired input.
The procedure for calibrating
sure a calibrated current source is connected to the appropriate pins on the terminal block. See Figure 3 on the previous
page for the correct pin numbers. To calibrate a 0/4-20 mA input card, see the section below.
Note: To calibrate an RTD input card, refer to page 9.
[F1]-[F4]
4. Press to select the reference point to be calibrated.
Do one of the following:
•
[F1] (aLOW),
If you selected
• [F2] (aHIGH)
If you selected
• [F3] (4 mA)
If you selected
•
[F4] (20 mA)
If you selected

1.5.2 aLOW Option = [F1]

1. Enter the low reference value and press the
[F1]
2. Press to store the current low reference value or press
prompt will reappear.
[F2]
3. Press to proceed to the next section.

1.5.3 aHIGH Option = [F2]

1. Enter the high reference value and press the
[F1]
2. Press to store the current high reference value or press
prompt will reappear.
3. Go to Procedure Options below.

1.5.4 4 mA Option = [F3]

1. Connect the 4 mA current source to the currently selected analog input, as shown in Figure 3 on page 6.
[F1]
2. Press to store the current 4 mA value or press
reappears.
[F4]
3. Press to proceed to the next section.
DigitalFlow™ GS868 Service Manual
Input A
is identical to that for calibrating
aLOW Option
proceed to
aHIGH Option
, proceed to
4 mA Option
, proceed to
20 mA Option
, proceed to
[ENT]
key.
[ENT]
Input B
. However, when calibrating
below.
below.
below.
on page 8.
[F2]
to cancel the entry. In either case, the
key.
[F2]
to cancel the entry. In either case, the
[F2]
to cancel the entry. In either case, the
Chapter 1. Calibration
Input B
, be
ANALOG INPUT
ANALOG INPUT
ANALOG INPUT
prompt
7