Accessing The Calibration Menu; Calibrating The Low End Of The Output Range - GE DigitalFlow DF968 Service Manual

Accessing the Calibration
Menu
Calibrating the Low End of
the Output Range
Calibration
8
D
SIG
D
RTN
C
SIG
C
RTN
B
SIG
B
RTN
A
SIG
A
RTN
1
Figure 1-2: Ammeter Connection (Output A)
[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 1-2 above for the correct pin numbers.
[F1]
1. Press to calibrate the low end of the output range.
[F1] [F2]
2. Press or to adjust the ammeter reading
a 4 mA reading is achieved. If you press
numeric value and press
[F4] STORE
3. Press to the setting or press [→] and
calibration.
Note: If the ammeter reading cannot be adjusted within 5.0 μA of the
4 mA setting, contact the factory for assistance.
Terminal Block (Option Card)
+
Ammeter
–
I/O
. See Figure 1-1 on page 1-2 or
UP
[F3] Numer
,
[ENT]
.
[F1]
March 2008
DOWN
or , until
, enter the
ABORT
to the
1-3