Wiring Proline Prowirl 73
32 Endress+Hauser
Connection diagram without PLC
A0001776
Fig. 21: Connection diagram without PLC
Dotted lines = wiring without connection to external components (e.g. recorder, displays, Fieldgate)
A Prowirl 73
B Pressure sensor (Cerabar M, S HART with BURST OPTION = 1 and Burst-Mode = ON)
C Temperature sensor (Omnigrad TR10) or other external measuring devices (HART-enabled and burst-enabled)
D Active barrier RN221N
4.2.2 Terminal assignment
1
2
D
250 W
0+
0+H
0– 0+
0+H
0–
–
+
–
+
D
A B
C
1
2
1
2
I+ I–
I+
I–
Terminal No. (inputs/outputs)
Order variant 1-2 3-4
73***-***********W HART current output –
73***-***********A HART current output Frequency output
HART current output
Galvanically isolated, 4 to 20 mA with HART
Frequency output
Open collector, passive, galvanically isolated, U
max
= 30 V, with 15 mA current limiting, R
i
= 500 ,
can be configured as frequency, pulse or status output