Table A- 4 Fus1020 Single Channel Input/Output Wiring (Tb2) - Siemens SITRANS F FUS1020 IP65 NEMA 4 Instrucciones De Servicio Resumidas

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
Table A- 4
Pin#
1
2
3
SITRANS FUS1020 IP65 NEMA 4 Quick Start
Operating Instructions (Compact), 4/2009, CQO:QSG006 Revision B
Flowmeter
For Option A only (c=A)
User Supply +24 V
= 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.
FUS1020 Single Channel Input/Output Wiring (TB2)
Signal
GND
DIGIN 1+
DIGIN 1-
④
⑤
⑥
Isolated 4-20mA Output TB1-1/3 & TB1-2/4
Optional N/O Relay TB1-7 / TB1-8
Function
Ground
Digital Input 1
Digital Input Return 1
A.1 I/O Connections and Wiring
+5 V Output for Siemens Accessories only
Output Vc
Optional Relay
Description
Ground
No Tot Input (see 1020-7 Schematic C)
No Tot Return (see 1020-7 Schematic C)
Appendix A
35