Introduction; Menu Map - GE DigitalFlow GC868 Service Manual

Introduction

Menu Map

Calibration
Calibrating the Model GC868's analog outputs and inputs is
explained in this chapter. In addition, testing the optional totalizer/
frequency and alarm relay outputs is discussed. The following
specific topics are included:
•
calibrating the built-in Slot 0 analog outputs
•
calibrating optional Slot 1 through Slot 6 analog outputs
•
calibrating optional Slot 1 through Slot 6 analog inputs
•
testing optional Slot 1 through Slot 6 alarm relays
•
testing optional Slot 1 through Slot 6 totalizer/frequency outputs.
The Model GC868 electronics console includes six expansion slots
for the installation of option cards. These slots are numbered 1-6,
from right to left. In addition, every Model GC868 flowmeter
includes two built-in analog outputs (A and B) at terminal block
Slot 0
which is designated as
Note: Convention in this manual identifies any expansion slot as
x x
, where is a number from 0-6.
See Chapter 1, Installation, of the Startup Guide for a complete
description of the available option cards and the procedures for
wiring them.
The Calibration Menu is accessed by pressing the
keypad. Use this menu to calibrate and test the
as well as to calibrate and test any option cards that are installed in the
expansion slots. Refer to the menu map in Figure 1-6 on page 1-15 as
a guide in following the calibration instructions.
Note: The same instructions apply to both the 1-Channel and
2-Channel versions of the Model GC868 flowmeter.
The following discussion assumes that the left screen pane is active.
If the right screen pane is active, only the function key designations
change. That is, replace
appropriate sections of this chapter to calibrate and test all of the
installed inputs and/or outputs.
Note: While in the Calibration Menu, if there is no keypad activity
for two minutes, the Model GC868 will automatically reboot
and return to measurement mode.
.
Slot 0
[F1]-[F4] [F5]-[F8]
with . Proceed to the
April 2008
I/O
,
Slot
[CAL]
key on the
analog outputs,
1-1