Vaisala HUMICAP MMT162 Guía de usuario Pagina 38

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User's Guide _______________________________________________________________________
36 ___________________________________________________________________ M210934EN-D
Set Alarm Limits and LED Indication for
Analog Outputs
Use the ALARM command to set the analog output alarm limits and
parameters. For an explanation of the alarm limits, see section Limit
Alarm on page 21.
ALARM<cr>
Before setting the alarm limits, verify the currently set analog output
modes using the AMODE command.
The following example shows that a high limit alarm has been enabled
for channel 2. If the measured value rises above the limit ( 0.90 a
w
), an
error is reported. If you are using a LED cable, the LED lights up to
indicate an error state.
Example:
alarm ?
Channel 1:
Low Limit : OFF
High Limit : OFF
Aerr : ON
Quantity : T
Limit Lo : 15.00
Limit Hi : 30.00
Hysteresis : 0.50
Level Lo : 0.20
Level Hi : 0.80
Channel 2:
Low Limit : OFF
High Limit : ON
Aerr : OFF
Quantity : aw
Limit Lo : 0.10
Limit Hi : 0.90
Hysteresis : 0.01
Level Lo : 0.20
Level Hi : 0.80
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