Wiring; Dc Voltage Version With M12X1 Connector - Endress+Hauser Flowphant T DTT31 Operating Instructions Manual

DTT31, DTT35
4

Wiring

!
Note!
DTT35: Electrical cables must comply with 3-A standard. They must be smooth, corrosion
resistant and cleanable.

4. 1 DC voltage version with M12x1 connector

Fig. 9: Flowphant
A1: 1x PNP switch output
A2: 2x PNP switch outputs R1 and m (R2)
A2': 2x PNP switch output R1 and m (diagnosis/NC contact for "DESINA" setting)
A3: 1x PNP switch output and 1x analog output (4 to 20 mA)
"
Caution!
To avoid any damage to 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.
!
Note!
DESINA (→ Chap. 5.1.6, basic settings):
R2 = diagnosis/NC contact (more information on DESINA can be found at www.desina.de).
"
Caution!
Once connected to the power supply, the sensor tip of the device heats up! The temperature can
reach up to approx. 90 °C (194 °F).
Endress+Hauser
®
T with M12x1 connector
Wiring
a0006818
11