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Flowphant T DTT31, DTT35
A1
1
2
4
3
A3
1
2
4
3
7
Flow switch with M12x1 connector
Item No.
A1
A2
A2'
A3
WARNING
L
Observe the following to avoid damaging the analog input of a PLC:
‣
Do not connect the active PNP switch output of the device to the 4 to 20 mA input of a PLC.
DESINA: distributed and standardized installation technology for machine tools and
manufacturing systems, → 22.
R2 = diagnostics/NC contact (for more information about DESINA, see www.desina.de)
NOTICE
The sensor tip of the device heats up once the device is connected to the power supply!
The temperature can increase to approx. 90 °C (194 °F).
‣
As the device sensor tip heats up, appropriate protective clothing must be worn!
Endress+Hauser
R1
4...20 mA
R2
Output setting
1x PNP switch output
A2 2x PNP switch output R1 and m (R2)
2x PNP switch output R1 and m (diagnostics/NC contact for "DESINA"
setting)
1x PNP switch output and 1x analog output (4 to 20 mA)
A2
A2'
L+
2
3
L–
L+
L–
Electrical connection
1
4
R1
m
L+
L–
A0006818
13
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