Electrical Connection Measuring Unit Prosonic Flow; (Standard Version) - Endress+Hauser Proline Prosonic Flow 90U Technical Information

Proline Prosonic Flow 90U, 90W, 91W, 93C, 93U, 93W
Electrical connection
measuring unit
Prosonic Flow 91

(standard version)

Endress + Hauser
e
a
i
Connecting the transmitter (aluminum field housing), max. cable cross-section 2.5 mm
a Electronics compartment cover
b Cable for power supply: 85 to 250 V AC, 11 to 40 V DC, 20 to 28 V AC
c Ground terminal for power supply cable
d Terminal connector for power supply: No. 1–2 (terminal assignment)
e Signal cable
f Ground terminal for signal cable
g Terminal connector for signal cable: No. 24–27 (terminal assignment)
h Service connector
i Ground terminal for potential matching
Terminal assignment Prosonic Flow 91
Order version
91***-***********A
Functional values
b e b
Terminal No. (inputs/outputs)
24 (+) / 25 (–) 26 (+) / 27 (–)
Pulse output HART current output
See "output signal"
e b
f c
g d
24 25 26 27 1 2
h
+ – + –
L1
N
(L+)
(L-)
2
1 (L1/L+) / 2 (N/L–)
Power supply
see "Supply voltage"
A0005838
17