Siemens SITRANS FUH1010PVDX, Operating Instructions Manual, Page: 72 / 308

3-2
CQO:1010PVXFM-3
Section 3
3.2 INPUT/OUTPUT WIRING
The following tables and illustrations describe both the FUH1010PVX and FUH1010PVDX input/output
signals. Consult the Installation Drawings in Appendix B for details regarding I/O and transducer connec-
tions for your specific model.
3.2.1 FUH1010PVX INPUT/OUTPUT WIRING (TB1 and TB2)
+15V
-15V
TB2
GND
+5V
TB1
LOCK
S1
UN-LOCK
Inside the user
wiring chamber
I/O terminal blocks TB1 & TB2
(see below for connections)
10
1
20 11
FUH1010PVX INPUT/OUTPUT WIRING (TB1)
FUH1010PVX INPUT/OUTPUT WIRING (TB2)
PIN# SIGNAL FUNCTION NOTES
11 Tx
12 RTS
13 DTR
14 Rx
15 CTS
16 GND
STANDARD RS-232
SIGNALS
RS-232 compliant full-duplex communication port. Used for
data uploading/downloading and flowmeter programming via
PC and communications software.
17 D1 INPUT Input Signal to reset internal totalizer.
18 D1 RETURN Input Signal return for totalizer reset.
19 D2 INPUT Input Signal to freeze internal totalizer (NOTOT).
20 D2 RETURN
ISOLATED DIGITAL
COMMAND LINES
Input Signal return for NOTOT command.
PIN# SIGNAL FUNCTION NOTES
1 N/C NOT DEFINED Reserved for future implementation.
2 N/C NOT DEFINED
3 Io1 (-) ISOLATED LOOP RETURN Spannable 4-20 mA output proportional to any available data
4 Io1 (+) ISOLATED LOOP SUPP. variable assigned under menu control. See drawing 1010X-7
Schematic A.
5 ANIN (-) ANALOG IN RETURN Receives 4-20 mA input from external instrumentation.
6 ANIN (+) ANALOG IN (4-20mA) Optional function depends on specific FUS1010PVX model.
7 STATUS (-) STATUS BIT RETURN Status output responds to any available alarm function
8 STATUS (+) STATUS OUTPUT assigned under menu control.
9 PGEN (-) PULSE GEN. RETURN 0-5000 Hz output proportional to any available data variable
10 PGEN (+) PULSE GEN. OUTPUT assigned under menu control.