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Appendix A
A.1 I/O Connections and Wiring
①
②
③
R = 1000 ohms (max) w/o Barriers
R = 320 ohms (max) with Barriers
Vc = Output High and Low
I = 4-20mA
R = Loop wire resistance (both ways) plus User's input load resistance.
Do Not Exceed +12VDC when Barriers are used.
DO Not Reverse Polarity
Load:
200 ohms without Barrier plus two way wire resistance.
320 ohms with Barrier plus two way wire resistance.
I = 7mA (max)
Rc = Total non-inductive load
Vc output High and Low level for different VC with: R = 4.7K ohms, 0.15 Watt (min)
40
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Flowmeter.
Barrier.
User Supply +24V
Isolated 4-20mA Output TB1-1/3 & TB1-2/4
4-20mA Analog Output TB1-5 & TB1-6
Isolated Status/Alarm or PGEN Outputs
Vc (VDC
5
12
15
24
④
User 4-20mA Source
⑤
To TB2-16 Gnd
⑥
Output Vc
VcH (VDC) min
3.5
9.6
12.3
20.1
Operating Instructions (Compact), 12/2008, CQO:QSG010 Revision A
Vcl (VDC) max
0.1
0.1
0.1
0.1
SITRANS FUH1010 Quick Start
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