Power Supply; Measuring Unit Electrical Connection - Endress+Hauser Proline Prosonic Flow 91W Technical Information

Proline Prosonic Flow 91W
Measuring unit electrical
connection
Endress+Hauser

Power supply

e
a
i
Connecting the transmitter (Aluminium-Fieldhousing).
cable cross-section: max. 2.5 mm
a Cover
b Cable for power supply: 85 to 260 V AC, 20 to 55 V AC, 16 to 62 V DC
c Terminal for power supply:
d Terminal for power supply: Nr. 1–2 (terminal assignment)
e Signal cable
f Ground terminal für signal cable
g Terminal connector for signal cable: Nr. 24–27 (terminal assignment)
h Service connector
i Ground terminal for potential matching
Terminal assignment Prosonic Flow 91W
Order variant
Fixed communication boards (fixed assignment)
91***-***********A
Functional values
b e

(AWG 13)
Terminal No. (inputs/outputs)
24 (+)/25 (–)
Pulse output HART current output
see "Output signal"
e
b
f
g
24 25 26 27 1
h
+ – + –
L1
(L+)
26 (+)/27 (–) 1 (L1/L+) /2 (N/L–)
Power supply
see "supply voltage"
b
c
d
2
N
(L-)
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