Ulvac HELIOT 301, Instruction Manual

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(3) Double vent
The method of venting the test port at the end of test --- normal vent or double vent ---
can be selected by changing over DIP switch No.5. Double vent can prevent the error
of venting the piping and others by erroneous operation.
Normal vent
This is a method that terminates test and vents the test port to atmospheric pressure
simultaneously by pressing the vent switch once.
Double vent
This is a method that terminates test by pressing the vent switch once and vents
the test port to atmospheric pressure by pressing the switch for a second time.
No. 5 OFF
→
Normal vent valid
Double vent invalid
No. 5 ON
→
Normal vent valid
Double vent invalid
* When only remote operation is valid, normal venting action is caused even if
double vent is set.
Double vent is not feasible by remote operation.
(4) Signal output setting
Of the accessory signals, the setpoint signal and system error signal actions can be
changed, over by changing over DIP switch No. 7.
(Also refer to I/O item.)
No. 7 OFF
→
Setpoint signal normal sate (Normally OFF)
System error signal normal state (Normally OFF)
No. 8 ON
→
Setpoint signal reverse sate (Normally ON)
System error signal reverse state (Normally ON)