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Overview of the behaviour of both outputs in case of a fault
Fnr Type of fault
0
No fault, no anomaly occurred.
10 Fault during Power-on self test.
Internal malfunction in the sensor
20
electronics.
Partial malfunction in the sensor
21
electronics, measurement with one
channel still possible.
Short circuit in switching output
30
Out1 (diagnostic output).
Malfunction on the analogue
40
output.
Load for analogue output
41
of too high impedance.
Analogue signal goes to the value
3.8 mA; no linear transmission of
42
the measured value possible any
more. Measured temperature has
exceeded ASP value.
Analogue signal goes to the value
20.5 mA; no linear transmission of
43
the measured value possible any
more. Measured temperature has
exceeded AEP value.
Interruption measuring element 1
51
(NTC).
Short circuit measuring element 1
52
(NTC).
Temperature of the probe above
53
the operating temperature range
(170°C).
Temperature of the probe below
54
the operating temperature range
(-32°C).
30
drEd = OFF
drEd = On drEd = Ondr
DA
AA
DA
N
T
N
A
F
A
A
F
A
A
F
W
X
T
X
A
X
A
A
X
A
W
T
W
W
T
W
A
F
W
A
F
W
A
F
A
A
F
A
AA
DA
AA
T
N
T
F
A
F
F
A
F
T/B
W
T/B
T
X
T
X
A
X
X
A
X
T
W
T
T
W
T
T/B
W
T/B
T/B
W
TB
F
A
F
F
A
F
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