Chapter 4 ________________________________________________________________ Operation
VAISALA______________________________________________________________________ 137
RSEL
Use the serial line to select the quantity, setpoints and hysteresis or
enable/disable the relay outputs. Enter the RSEL command.
RSEL [q1 q2]<cr>
where
q1
= Quantity for the relay 1 or Fault/Online
q2
= Quantity for the relay 2 or Fault/Online
Factory setting: All relays disabled.
Use the quantity abbreviations presented above. For quantities and their
abbreviations and pressure units, see Table 4, Table 5, and Table 6 on
page 21.
Example of window limit switch:
Selecting relay 1 to follow dewpoint/frost point temperature
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
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