Yamato Scientific Vacuum controller Vacuum controller - Manual (Page 16)

14
Changing the Set point While the Fixed Value Control Operates
Display After Operation Key Explanation
1 •
The fixed value control is running.
2
▼▲ ▼▲ ▼▲ ▼▲
•
Press ｢▲｣or｢▼｣. The previous set
pressure values appears blinking on
the indicator. Changed to 200hPa in
the example on the left.
•
The fixed value control lamp is on.
•
The set mode lamp is on, indicating
that the set mode is ready for
operation.
3
▼▲ ▼▲ ▼▲ ▼▲
•
Press ｢▲｣or｢▼｣ and change to the
pressure value you desired.
•
Changed to 60hPa in the example.
•
At this stage, the present control is
still running.
4
ENTER
•
Press ENTER and the fixed value
control (step-control)starts,aiming at
the new-set point you have set.
•
The present pressure measurement
appears on the indicator. The fixed
value control lamp is on, but stop
blinking.
•
The set mode ends so that the set
lamp is off.
•
In the example, the solenoid valve
lamp is on, since the pressure set
point was lowered and the solenoid
valve for control opened.
•
After the pressure was reached to the
aimed set point, the solenoid valve
for control opens or closes according
to the fluctuations of the pressure.
The fixed value control continues.