WindSonic Doc No 1405 PS 0019 Issue 28 November 2019
19
7.4 Connecting to a PC using RS232 (Option 1 Sensor)
Notes
1.
The cable length for reliable operation is limited to 6.5m (20ft).
(
See
Section 7.3.1 Cable length.)
2.
For longer cable runs, we recommend using the WindSonic configured with RS422
output, and a RS422/232 converter at the PC.
3.
Wiring connections below are not applicable to WindSonic Options 2 and 3 set for
RS232 operation.
WindSonic
9 Way circular connector
Typical PC or RS232 to USB
Converter Serial Port
9 Way ‘D’ Connector
Signal names
Pin nos.
Cable – 3 twisted
pairs
Signal names
Pin no's
TXD
RXD
5
7
RXD
TXD
2
3
Signal
Ground
1
Signal Ground
5
Do NOT
connect
at this end
N/A
Screen and drain
wires
Chassis
ground
N/A
V supply -
V
2
3
–
+
DC Power supply
(See Para 7.3.2)
Default Settings
The WindSonic Option 1
unit is factory configured with the following default settings:
M2, U1, O1, L1, P1, B3, H1, NQ, F1, E3, T1, S4, C2, G0, K50,