HS-50 & HS-100
Doc. No 1199-PS-0035 Issue 3
June 2021
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Page 17
10 CONNECTING AN HS UNIT TO A PC USING RS 422
HS Connector
PC with RS422 to
RS232/USB convertor
Signal Names
20 way Pin
No’s
Signal Name
RS422 Tx+
2
RS422 Rx+
RS422 Tx-
3
RS422 Rx-
RS422 Rx+
4
RS422 Tx+
RS422 Rx-
5
RS422 Tx-
Digital 0v
13
Signal Gnd
Supply V+
6
+ DC Supply (9-30v)
Supply V-
14
- DC Supply (0v)
10.1 Connecting an HS Unit to a PC via Power and
Communications Interface (PCI 1189-PK-021 or PCIA 1189-
PK-020)
Dependent upon system requirements the HS unit can be operated with the Power and
Communications and Interface unit (PCI) or Analogue Output version (PCIA), which can be ordered
as an optional extra. Connect HS via RS422 port; then connect computer to RS232 port on
PCI/PCIA.
HS
20 Way Connector
PCI
15 Way D Type
Connector
PCI RS232
9 Way D Type
Connector
Computer
9 Way D Type
Connector
Signal
Names
Pin
No’s
Pin
No’s
Signal
Name
Signal
Name
Pin
No’s
Pin
No’s
Signal
Name
TX (+)
2
2
RXB (+)
TX(
–)
3
9
RXA (
–)
DCD
1
TX
2
2
RX
RX (+)
4
3
TXB (+)
RX (
–)
5
10
TXA(
–)
RX
3
3
TX
DTR
4
GND
5
5
GND
DSR
6
Digital 0v
13
4
DIGITAL
0V
RTS
7
CTS
8
RI
9
POWER V+
6
5
POWER
V+
POWER 0V
14
11
POWER
0V
10.1.1
Environmental
The Desktop PCI/PCIA is intended for use in a protected environment and provides interfacing to a
single anemometer. RS232 and RS422 ports are provided. The PCI/OCIA is not intended for
outdoor use.
Summary of Contents for 1199-PK-085
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