Vaisala DRYCAP DMT346 Guide de l'utilisateur Page 97

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Chapter 4 _________________________________________________________________ Operation
VAISALA________________________________________________________________________ 95
RSEL
Use the serial line to select the quantity, setpoints and hysteresis or
enable/disable the relay outputs. Issue the RSEL command.
Syntax: RSEL [q1 q2 q3 q4]
where
q1 = quantity for the relay 1 or Fault/Online
q2 = quantity for the relay 2 or Fault/Online
q3 = quantity for the relay 3 or Fault/Online
q4 quantity for the relay 4 or Fault/Online
Factory setting: all relays disabled.
Use the quantity abbreviations presented above. See Table 5 on page
16.
Example of window limit switch: Selecting relay 1 to follow
dewpoint measurement and relay 2 to follow sensor temperature
measurement. Two relay setpoints are set for both relays.
>rsel tdf ts
Rel1 Tdf above: 70.00 'C ? 50
Rel1 Tdf below: - ? 30
Rel1 Tdf hyst : 2.00 'C ? 2
Rel1 Tdf enabl: ON ? on
Rel2 Ts above: 140.00 'C ? 140
Rel2 Ts below: - ? 80
Rel2 Ts hyst : 2.00 'C ? 2
Rel2 Ts enabl: ON ? on
>
Example of normal limit switch: Selecting relay 1 to follow sensor
saturation rate and relay 2 to follow sensor temperature. One setpoint
is chosen for all the outputs.
>rsel ssr ts
Rel1 SSR above: 50.00 % ? 70
Rel1 SSR below: - ? -
Rel1 SSR hyst : 2.00 % ? 2
Rel1 SSR enabl: ON ? on
Rel2 Ts above: 80.00 'C ? 140
Rel2 Ts below: 60.00 'C ? -
Rel2 Ts hyst : 1.00 'C ? 2
Rel2 Ts enabl: ON ? on
>
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