Vaisala BAROCAP PTB330, User Manual

Page: 103 / 139

Chapter 4 ________________________________________________________________ Operation
VAISALA ______________________________________________________________________ 101
Analog Output Quantities
AMODE/ASEL
Use the serial line to select and scale the analog output quantities.
Connect the barometer to the PC. Open the terminal connection
between your PC and the barometer.
1. Check the analog output modes with the AMODE command.
Example:
>amode
Ch1 output : 0...1 V
Ch1 slot : 4
Ch1 type : T compensated
>
2. Select and scale the quantities for the analog outputs with the
command
ASEL . Note that the optional quantities can be selected
only if they have been selected when ordering the device.
ASEL [ xxx yyy ]
Enter always all the quantities for all the outputs. For quantities and
their abbreviations see
Table 1 on page 18 .
Use the command ASEL [ xxx yyy ] as shown in the example below when
using a device with two analog outputs.
>asel P
Ch1 P low : 900.00 hPa
Ch1 P high : 1100.00 hPa
>
NOTE
If you have customized the error output setting (AERR), check that the
set error values are still valid after changing the output mode/range,
see section
Analog Output Fault Indication Setting on page 102 .
where
xxx = Quantity of channel 1
yyy = Quantity of channel 2