Vaisala DM500 - Manual (Page 100)

User's Guide ______________________________________________________________________
98 __________________________________________________________________ M210205EN-D
Use the following quantity abbreviations:
TDF/TD/H2O/RH/PW/TW/A/ANTP/X/H/DT/T/P/FLOW/+TDF/
+TD/+PW
Enabling criteria keywords:
OFF
relay is never enabled (inactive)
STOP
relay is enabled when dewpoint measuring status is STOP
ERR
relay is enabled when dewpoint measuring status is ERR
OK
relay is enabled when dewpoint measuring status is OK
WAIT
relay is enabled when dewpoint measuring status is WAIT
ON
relay is always enabled
Any combination of status STOP, ERR, OK and WAIT can be chosen.
Keywords OFF and ON can be used only alone.
Example:
>asel td rh t
Ch1 Td lo : 100 'C ? -80
Ch1 Td hi : 20 'C ? 20
Ch1 enable: WAIT OK ? wait ok
Ch2 RH lo : -100 % ? 0
Ch2 RH hi : 100 % ? 100
Ch2 enable: ON ? ok wait
Ch3 T lo : 0 'C ? -40
Ch3 T hi : 20 'C ? 60
Ch3 enable: ON ? on
>asel ?
Ch1 Td lo : -80 'C
Ch1 Td hi : 20 'C
Ch1 enable: WAIT OK
Ch2 RH lo : 0 %
Ch2 RH hi : 100 %
Ch2 enable: WAIT OK
Ch3 T lo : -40 'C
Ch3 T hi : 60 'C
Ch3 enable: ON
>
AERR Setting the Invalid Output for Analog
Channel
Syntax: AERR<cr>
Analog output gives the invalid value when the output is not enabled
or when analog readings are not available. The value of the invalid
output shall be 4...20 mA.