Valco electronic Valve Oven User Manual
Chapter 3
Operation
Operation
Operating Valves Automatically
40
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.
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.
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.
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)