Siemens SITRANS F FUS1020 IP65 NEMA 4 Schnellstart Seite 40

Appendix A
A.1 I/O Connections and Wiring
①
②
③
R = 1000 ohms typical
Vc = 24 VDC typical / 30 VDC max.
I = 4-20mA
R
L
Vc= +24 VDC max.
R
L
Power Rating: (1/100 x Vc) Watts min..
Max Load: 10VA, 100 VDC, 0.5 A
Note
For FUS1020 Dual Channel Input/Output TB2 terminal block wiring see TB2 Single Channel
table and schematic.
38
Flowmeter
User Supply +24V
+5V Output for Siemens Accessories only
= Loop wire resistance (both ways) plus User's input load resistance.
Status Alarm TB1-7 / TB1-8 and PGEN TB1-9 / TB1-10
= (125 x Vc) = 340 ohms min.
④
⑤
Isolated 4-20mA Output TB1-1/3 & TB1-2/4
Optional N/O Relay TB1-7 / TB1-8
Operating Instructions (Compact), 4/2009, CQO:QSG006 Revision B
Output Vc
Optional Relay
SITRANS FUS1020 IP65 NEMA 4 Quick Start