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Chapter 3
Operation Operating Valves Automatically
40 Operating Manual
6. Press CLEAR three times to exit to the Run Event table.
NOTE Pressing CLEAR within a run table entry will delete that entry. To use CLEAR to back out
of the menu, you must first be out of the run table entries themselves.
Adding a Gas Switching Valve Event to the Run Table
For switching valves, two run time entries are required—one to switch the valves
on and one to switch the valves off.
1. On the TRACE GC Ultra keypad, press RUN TABLE.
2. Scroll to
Add run time event and press ENTER.
3. Select
Valve and press ENTER.
4. Scroll to the Switching valve that you want to add and press ENTER.
The
Run time parameter is the time into the run when the valve switches to the
new position. The
Setpoint parameter is the position that the valve will go to at
the selected time. The
On value usually designates a clockwise switch and the Off
value designates a counterclockwise switch.
If you want the valve to switch back to its original position at the end of run, then
do not need enter a second run table entry.
SELECT PARAM to Add
Valve #1 Sampling
Valve #2 Switching <
Valve #3 Sampling
RUN TIME EVENT
Valve #2 Switching
Run time 0.00
Setpoint On (Off)