Vaisala HMP230 - Manual (Page 88)

HMP230 SERIES
Appendix 1: Serial commands
M210225en-B
82
ASEL Scaling the analogue outputs
Disconnect the security lock jumper!
ASEL xxx yyy
xxx = channel 1's quantity
yyy = channel 2's quantity:
RH
= relative humidity
T = temperature
Td = dewpoint temperature
Abs = absolute humidity
Mix = mixing ratio
h =
enthalpy
Tw = wet bulb temperature
Example: relative humidity selected on channel 1 and temperature on channel
2
>ASEL RH T
Ch1
(RH) lo 0.000 %RH?
Ch1 (RH) hi 100.000 %RH ?
Ch2 (T ) lo -40.000 'C ?
Ch2 (T ) hi +160.000 'C ?
When the ASEL command is given on its own, the transmitter outputs its cur-
rent settings:
>ASEL
Ch1
(RH) lo 0.000 %RH
Ch1 (RH) hi 100.000 %RH
Ch2 (T ) lo -40.000 'C
Ch2 (T ) hi +160.000 'C
The outputs and their scales can also be given directly with the ASEL com-
mand.
ASEL xxx yyy aaa.a bbb.b ccc.c ddd.d
xxx = channel 1's quantity
yyy = channel 2's quantity
aaa.a = lower limit of channel 1
bbb.b = upper limit of channel 1
ccc.c = lower limit of channel 2
ddd.d = upper limit of channel 2