Chapter 3

 

Operation

Operating Valves Automatically

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.

SELECT PARAM to Add

Valve #1

Sampling

 

Valve

#2

Switching

<

Valve

#3

Sampling

 

4. Scroll to the Switching valve that you want to add and press ENTER.

RUN

TIME EVENT

Valve #2

Switching

 

Run time

 

0.00

Setpoint

On

(Off)

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.

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Operating Manual

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Valco electronic Valve Oven manual Adding a Gas Switching Valve Event to the Run Table

Valve Oven specifications

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