Terminal Assignment - Endress+Hauser Proline Prosonic Flow 90 Operating Instructions Manual

4 Wiring
38
4.2.2

Terminal assignment

Order variant 20 (+) / 21 (–)
90***-***********W
90***-***********A
90***-***********D
Status input (auxiliary input)
galvanically isolated, 3...30 V DC, R
Status output
Open Collector, max. 30 V DC / 250 mA, galvanically isolated
configurable for: error messages, flow direction, limit values
Frequency output (passive)
Open Collector, galvanically isolated, 30 V DC, 250 mA
– Frequency output: end frequency 2...1000 Hz (f
– Pulse output: pulse value and pulse polarity selectable, pulse width adjustable (0.5...2000 ms)
Current output (active, passive)
galvanically isolated, active: 0/4...20 mA, R
passive: 4...20 mA, max. 30 V DC, R
Ground connection, power supply
Terminal No. (inputs/outputs)
22 (+) / 23 (–)
− −
− −
Status input Status output
= 5 kΩ
i
= 1250 Hz), on/off ration ~1:1, pulse width max. 2 s
max
< 700 Ω (HART: R
L L
≤ 150 Ω,
i
→
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Proline Prosonic Flow 90
24 (+) / 25 (–)
−
Frequency output
Frequency output
≥ 250 Ω),
26 (+) / 27 (–)
Current output
HART
Current output
HART
Current output
HART
Endress+Hauser