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MODEL 81000V 3-D SONIC
VOLTAGE INPUT APPENDIX A
APPENDIX A: WIRING CONNECTIONS
MODEL 81000V
Model 81000V
Ultrasonic Anemometer
W6 Shorting Blocks
RS-232 Full Duplex
Position "A"
A
B
C
W6
W5
A1
B1
V1
V2
V3
+PWR
PWR
EARTH
TX
GND
REF
A2
YOUNG
81052 REV B
R. M. YOUNG COMPANY 2801 Aero Park Drive , Traverse City, Michigan 49686 USA
Factory default settings omit voltage input measurements from
the serial output string. To include them, set CUSTOM or POLL
CUSTOM serial output format. See section 6.7 of manual.
VIN1, VIN2
VIN3, VIN4
Voltage inputs are single ended measurements. Minimize
voltage drops on the VIN REFERNCE wire. For serial output,
either RS-232 or RS-485 may be used. RS-232 shown here.
Use shielded cable. Connect cable shield to ground at one end
only as shown. For maximum reliablity, connect sensor Earth
Ground as close to sensor as possible.
W5 Shorting Block
100 Ohm Termination
V4
VREF
RX
SERIAL
B2
REF
TEL (231) 946-3980
DWG: W81000V-90(VOLTAGE INPUT)(A)
VOLTAGE INPUT Connections
0 to 5000mV = 0 to 4000 (unitless)
0 to 1000mV = 0 to 4000 (unitless)
Page 7
FAX (231) 946-4772
REV: A031320
CHK:
DRW: JMT
DATE: 03/18/20
VIN1 (0 to 5000 mV)
VIN2 (0 to 5000 mV)
VIN3 (0 to 1000 mV)
VIN4 (0 to 1000 mV)
VIN Reference
RS-232 TX
RS-232 RX
Serial Reference
}
Sensor power
( )
12-24 VDC 110mA max
( )
81000V-90(L)
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