Ecom ST Operating Instructions Manual page 35

The status of the device can also be queried via the analog outputs (31 Stat
:). It is only possible to assess whether the measured values are valid in
connection with the status of the device. The table below lists all possible
statuses.
Analog value
4 mA
6 mA
7 mA
8 mA
9 mA
10 mA
20 mA
HINWEIS
Valid measured values are only available if the status is 20 mA.
ecom-ST 1.0
Meaning
Device error
Calibration phase not finished
Device on standby
Sample gas pump off
Fresh air purging active
Device in measuring mode, but the CO sensor is
switched off
Device in measuring mode
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