Yokogawa Extractive Oxygen Gas Analyzer TDLS220 - Manual (Page 47)

<6 BASIC OPERATION> 6-17
IM 11Y01B02-01E-A 4th Edition September 11, 2012-00
There are 3 ways to control the valves: manual control in software, automatic valve
change in time sequence and remote override though digital contact. The following
software description defines how to configure the sequencing and timing of the valves
when used in a stream switching configuration:
ADVANCED CONFIGURE MENU
The software setup for the stream switching is configured in
Advanced Configure -> Valve Control.
STATUS OF VALVES
This panel shows the current status of all three valves. User
can enter any valve to modify the settings.
Note: only one valve can be open at a time during normal
operation.
VALVE CONTROL MODE
There are three ways to change the valve status: Manual,
automatic Time Sequence and Remote Override.
MANUAL VALVE CONTROL
By toggling the switch in this panel, user can manually turn on/
off the valve.
Note: when user toggles the switch to on while there is another
valve was on previously, the valve control will turn the other
valve off. Only one valve can be open at a time.