Panametrics DigitalFlow GC868, Руководство по программированию, Страница: 63 / 134

DigitalFlow™ GC868 Programming Manual (2-Channel) 3-6
Chapter 3. Logging Data
4. Press [F1] to continue logging and return to the initial
Log Menu
screen. Press
[F2] to stop logging and return to the initial
Log Menu
screen.
3.4.1 Procedure Options
Do one of the following:
• Press
[F1]
- [F4] to enter another LOG submenu.
• Press [EXIT] to return to the data screen.
3.5 Creating an
ERROR Log
Use the ERROR submenu to create a new error log and to select the logging
parameters. An error log updates every 5 seconds (when the display updates), but
only if a new error condition occurs. Error logs have a fixed length of 2 pages and
contain sixty records per page. Each record shows the time of the error, the
measurement parameter values at that time, and the error code message. The
logged values of the chosen measurement parameters at the time of the error
condition provide valuable troubleshooting information.
Press the appropriate side of the [SCREEN] key to activate the desired pane of the
display screen, and complete the following steps:
1. To access the Log Menu , press the [LOG] key.
a.
If you have activated the security feature (see Chapter 1,
Programming Site Data,
page 1-30 for details), enter the assigned password and press
[ENT]
.
2. Press [F4] = ERROR .
3. Use the [
←
] , [
→
] and [F1]-[F4] keys to inspect a completed log or to change an
active log, or enter a new
Name
(up to 5 characters) and press [ENT] to create a
new log file.
Note:
The option bar lists all error logs currently stored in memory. Recall that a
flashing asterisk (*) appears at the far right of the locator bar if the Model
GC868 is currently logging data (see Chapter 3,
Operation
, of the
Startup
Guide
).
4. At the Log Message prompt, enter a brief description (up to 21 characters) of the
log. Press [ENT] .
5. Use the [
←
] , [
→
] and [F1]-[F4] keys to select the first parameter to be logged.
See Table 3-2 below for a list of the available options.
IMPORTANT: Only the first parameter logged may be graphically displayed (see
Chapter 2, Displaying Data).
In addition, refer to Chapter 3,
Diagnostics
, of the
Service Manual
for a discussion of
the many parameters accessible via the DIAG option.
Note:
The units assigned to the parameters in Table 3-2 on page 3-6 are those
selected in the
User Program
(
SYSTM
submenu).
Table 3-2: Measurement Parameter Options
Option Bar Choice Description
[F1] = VEL Flow Velocity
[F2] = VOLUM Volumetric Flow
[F3] = +TOTL Forward Totalized Volume Flow
[F4] = -TOTL Reverse Totalized Volume Flow
[
→
] + [F1] = MDOT
Mass Flow
[
→
] + [F2] = +MASS
Forward Totalized Mass Flow
[
→
] + [F3] = -MASS
Reverse Totalized Mass Flow
[
→
] + [F4] = DIAG
Diagnostic