Note on Bucket RT and Bucket NRT values: These level values are not exactly zeroed in case of an empty
collecting bucket. Depending on the climatic ambient conditions, they vary by maximum ±10 mm around zero.
Command Response Description
aD0!*
* after
a
M!, aMC!,
a
C!, aCC!
a<value1><value2><value3> …
… <CR><LF>
Send data
a – sensor address
<value1> – Intensity RT
[
mm/h]: pbbbb.eee (0.000 … 3000.000)
[mm/min]: pbb.eee (0.000 … 50.000)
[inch/h]: pbbb.eee (0.000 … 118.110)
[inch/min]: pb.eee (0.000 … 1.969)
<
value2> – Accu RT-NRT
[mm]: pbbb.eee (0.000 … 500.000)
[inch]: pbb.eee (0.000 … 19.685)
<value3> – Accu NRT
Format as Accu RT-NRT
aD1!*
*
after
a
M!, aMC!,
aC!, aCC!
a<value4><value5><value6> …
… <CR><LF>
Send data
a – sensor address
<
value
4> – Accu total NRT
Format as Accu RT-NRT
<
v
alue
5
> – Bucket RT
[mm]: pbbb.eee (7.000 … 400.000)
[inch]: pbb.eee (0.276 … 15.748)
<
value
6> – Bucket NRT
Format as Bucket RT
aD2!*
* after
a
M!, aMC!,
aC!, aCC!
a<value7><value8><value9> …
… <CR><LF>
Send data
a – sensor address
<
value
7> – Temperature of load cell
[°C]: pbb.e (–40.0 … +85.0)
[°F]: pbbb.e (–40.0 … +185.0)
<
value
8> –Heater status
pbbb
+0 = Orifice rim heater working properly
+1 = W:Temp. of orifice ring rim > 40 °C
+2 = A: Temp. of orifice ring rim < –20 °C
+4 = A: Temperature sensor not connected
+8 = A: Temperature sensor short-circuited
+16 = A: Communication to rim heater
module is defective (the pipe hous-
ing may have been removed)
+32 = A: Orifice rim heater self-test failed
+64 = W:Orifice rim heater temporarily
disabled
+128 = W:Orifice rim heater disabled or not
present
W = warning; A = alarm.
When the OTT Pluvio
2
S unit outputs other values than those
indicated here, several events have occurred simultaneously.
In such a case, the individual values are added up.
Example: “+65” ➝ Sum obtained from warnings “+1” and
“+64”. The status information output – assuming the cause
has been rectified – will be reset the next time the command
aM! is used.
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