MKS 356 Micro-Ion Plus Series, Инструкция по эксплуатации, Страница: 39 / 76

Operation
Micro-Ion
®
Module Instruction Manual - 356007-GP
39
In
stallation
O
per
a
tion
Maintenance
Before You
Begin
3. Activate the trip point configuration mode and select the desired trip
point relay
. Press the Trip Points button.
• The first press of the button activates the configuration mode and
selects trip point one (LED 1 flashes).
• Pushing the button a second time selects trip point two (LED 2
flashes).
4. Set the trip point pressure value . Press the up or down arrow until the
display indicates the desired activation pressure for the trip point. Press
the Trip Points button to store the indicated activation pressure and
select the other relay.
5. Use Table 3-7 on to record the activation pressure and activation
direction for each relay.
.
6. If desired, select the appropriate polarity for the trip point . If you wish
to change the trip point polarity, press the up arrow or down arrow to
scroll the display through the “0.0+0” display value. The upper
segment of the exponent “1” digit flashes for increasing pressure, or the
lower segment flashes for decreasing pressure.
7. Return the display to the measured vacuum pressure reading . Push the
Trip Points button a third time to set the configuration values,
deactivate the trip point configuration mode, and return the display to
the measured vacuum pressure reading.
Table 3-7 Relay Trip Points and Activation Direction
Relay Activation Pressure for Trip Point Activation Direction
Hysteresis (as percentage
of activation pressure)
Relay 1

Activate with increasing pressure

Activate with decreasing pressure
Relay 2

Activate with increasing pressure

Activate with decreasing pressure