Vaisala PTB330 User Manual
Page 99
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Chapter 4 ________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 97
Example of normal limit switch: Selecting relay 1 to follow pressure
measurement and relay 2 to follow measurement of pressure from
barometer module 1. One setpoint is chosen for both outputs.
>rsel P P1
Rel1 P below: 980.00 hPa ? -
Rel1 P above: 995.00 hPa ? 1020
Rel1 P hyst : 0.10 hPa ? 1
Rel1 P enabl: ON ? ON
Rel1 P1 below: 1001.00 hPa ? -
Rel1 P1 above: 1005.00 hPa ? 1010
Rel1 P1 hyst : 0.10 hPa ? 2
Rel1 P1 enabl: ON ? ON
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Example of using relay 1 as fault alarm:
Selecting relay 1 to follow the fault status and relay 2 to follow the
pressure measurement.
>rsel fault p
Rel1 FAUL below: -
Rel1 FAUL above: -
Rel1 FAUL hyst : -
Rel1 FAUL enabl: ON ?
Rel2 P below: - ? -
Rel2 P above: 1050.00 hPa ? 1050
Rel2 P hyst : 12.00 hPa ? 10
Rel2 P enabl: ON ? ON
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