Vaisala HMT330 - Manual (Page 133)

Chapter 4 _________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 131
Use the quantity abbreviations presented above. See Table 3 on page 19
and Table 4 on page 19.
Example of window limit switch: Selecting relay 1 to follow relative
humidity measurement and relay 2 to follow temperature measurement.
Two relay setpoints are set for both relays.
>rsel rh t
Rel1 RH above: 0.00 %RH ? 30
Rel1 RH below: 0.00 %RH ? 40
Rel1 RH hyst : 0.00 %RH ? 2
Rel1 RH enabl: OFF ? ON
Rel2 T above: 0.00 'C ? 30
Rel2 T below: 0.00 'C ? 40
Rel2 T hyst : 0.00 'C ? 3
Rel2 T enabl: OFF ? ON
>
Example of normal limit switch: Selecting relay 1 to follow relative
humidity, relay 2 to follow temperature, relay 3 to follow dewpoint and
relay 4 to follow dewpoint. One setpoint is chosen for all the outputs.
>rsel rh t td td
Rel1 RH above: 60.00 %RH ? 70
Rel1 RH below: 70.00 %RH ? -
Rel1 RH hyst : 2.00 %RH ? 2
Rel1 RH enabl: ON ? on
Rel2 T above: 50.00 'C ? 60
Rel2 T below: 40.00 'C ? -
Rel2 T hyst : 2.00 'C ? 2
Rel2 T enabl: ON ? on
Rel3 Td above: 5.00 'C ? 10
Rel3 Td below: 0.00 'C ? -
Rel3 Td hyst : 1.00 'C ? 1
Rel3 Td enabl: OFF ? on
Rel4 Td above: 0.00 'C ? 20
Rel4 Td below: 0.00 'C ? -
Rel4 Td hyst : 0.00 'C ? 2
Rel4 Td enabl: OFF ? on
>
Example of using relay 1 as fault alarm: selecting relay 1 to follow the
fault status and relay 2 to follow the temperature measurement.
>rsel fault t
Rel1 FAUL above: -
Rel1 FAUL below: -
Rel1 FAUL hyst : -
Rel1 FAUL enabl: ON ?
Rel2 T above: 0.00 'C ? 30
Rel2 T below: 0.00 'C ? -
Rel2 T hyst : 0.00 'C ? 2
Rel2 T enabl: OFF ? ON
>