Endress+Hauser Proline Prowirl 72, Operating Instructions Manual

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4 Wiring Proline Prowirl 72
24 E Hauser
6. Plug the terminal connectors (e / f) into the transmitter housing.
!
Note!
The connectors are coded so you cannot mix them up.
7. Only remote version: Secure the ground cable to the ground terminal (Fig. 17, c).
8. Screw the cover (b) of the connection compartment onto the transmitter housing.
9. Tighten the clamp (a) securing the cover of the connection compartment.
A0001896
Fig. 16: Procedure for connecting the transmitter Ex d version
a Clamp securing the cover of the connection compartment
b Cover of connection compartment
c Cable gland for power supply/current output cable
d Cable gland for pulse output cable (optional)
e Terminal connector for power supply/current output
f Terminal connector for pulse output (optional)
Wiring diagram
A0003392
Fig. 17: Assignment of terminals
A Power supply/current output
B Optional pulse output/status output
C Ground terminal (only relevant for remote version)
D PFM wiring (pulse-frequency modulation)
4.2.2 Terminal assignment
Terminal no. (inputs/outputs)
Order variant 1
−
2 3
−
4
72***-*********** W HART current output
−
72***-*********** A HART current output Pulse/status output
HART current output
Galvanically isolated, 4...20 mA with HART
Pulse/status output
Open collector, passive, galvanically isolated, U
max
= 30 V, with 15 mA current limiting, R
i
= 500
Ω
,
can be configured as pulse or status output
f
e
b
a
c
d
1 2 1 2 3 4 3 4
A
D
C
+ + + +
- - - -
C
B