Accessing The Calibration Menu; Calibrating The Low End Of The Output Range - GE DigitalFlow DF868 Service Manual

1.3.1 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 output.
IMPORTANT: The procedure for calibrating all outputs is the same. However, when calibrating a different output, be
sure to reconnect the ammeter to the appropriate pins on terminal block
Figure 2 above for the correct pin numbers.

1.3.2 Calibrating the Low End of the Output Range

[F1]
1. Press to calibrate the low end of the output range.
[F1] [F2]
2. Press or to adjust the ammeter reading
Numer
, enter the numeric value and press
[F4] STORE
3. Press to the setting or press [ and
Note: If the ammeter reading cannot be adjusted within 5.0 A of the 4 mA setting, contact the factory for assistance.
DigitalFlow™ Multipurpose Ultrasonic Liquid Flowmeter Service Manual
Terminal Block (Option Card)
8
D
SIG
D
RTN
C
SIG
C
RTN
B
SIG
B
RTN
A
SIG
A
RTN
1
Figure 2: Ammeter Connection (Output A)
UP DOWN
or
[ENT]
.
[F1] ABORT
to
+
Ammeter
–
, until a 4 mA reading is achieved. If you press
the calibration.
Chapter 1. Calibration
I/O
. See Figure 1 on page 2 or
[F3]
,
3