SVC 7-17
Valve Actuation of GC-Controlled Valves
(Operation of one or two 120-volt solenoid valves)
Activation of up to two valve solenoids (designated as Purge A or Purge B) may occur in either of two
ways. The operator may switch the valves manually whenever it is desirable via keyboard entry, or
more conveniently, the valves can be switched ON once and OFF once during a run via the HP 5890’s
timed events table.
NOTE
If the valve is already in the position where a command instructs it to switch, noaction
will occur.
The designated channels (A or B) are determined solely by the wiring connections to the valve box.
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