Rsel – Vaisala PTU300 User Manual
Page 140
User's Guide _______________________________________________________________________
138 __________________________________________________________________ M210796EN-G
8.
Select Relay enable. Press the ON/OFF key to enable/disable the
relay.
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]
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 22.
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
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