Siemens SITRANS F FUS1020 IP65 NEMA 4 Instrucciones De Servicio Resumidas página 36

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Appendix A
A.1 I/O Connections and Wiring
Table A- 3
Pin#
1
2
1*
2*
3
4
5
6
7
8
7**
8**
9
10
Note
*TB1 pins 1 and 2 (Io2- & Io2+) are optional. 1 additional analog output (c=F & H).
Note
**TB1 pins 7 and 8 Relays K2-A and K2-B are optional single dry contact normally open
relays for Alarm, Status or Control devices (c=H).
34
Pin #
7
8
9
FUS1020 Single Channel Input/Output Wiring (TB1)
Signal
Not Used
Not Defined
Not Used
Not Defined
Io2-
Isolated Loop Return (CH 2)
Io2+
Isolated Loop Supply (CH 2)
Io1-
Isolated Loop Return (CH 1)
Io1+
Isolated Loop Supply (CH 1)
+5
+ 5V DC Power
GND
Ground
DIGOUT 1-
Status Bit Return (Emmiter)
DIGOUT 1+
Status Output (Collector)
K2-A
Relay
K2-B
Relay
PGEN-
Status Bit Return (Emmiter)
PGEN+
Status Output (Collector)
Signal
RTS
CTS
N/C
Function
SITRANS FUS1020 IP65 NEMA 4 Quick Start
Operating Instructions (Compact), 4/2009, CQO:QSG006 Revision B
Description
For Option A only (c=A).
Spannable 4-20mA output
See drawing 1020-7 Schematic
A (Loop Powered)
Up to 250 mA +5V source (for
optional accessories)
Ground
Status output responds to any
available alarm function
assigned under menu control
(see1020-7 Schematic C).
Single dry contact N/O relay
(option)
Pgen source. Synthesized
digital pulse proportional to flow
(see 1020-7 Schematic C).

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