Computer Connection Options - Cygnus 1 Operation Manual

COMPUTER CONNECTION OPTIONS

Standard RS232 connection
The Cygnus 1 ROV Gauge is normally connected via an RS422-to-RS232 Converter to any
spare Serial COM-port on your PC
The K3 RS232-to-RS422 Converter is supplied with the Gauge kit – connect to the computer
as shown in Data and Power Connections, page 21.
Cygnus supplies the CygLink program on CD, which is able to read the Gauge Measurement
data from any COM-port on the PC.
USB-to-Serial Adaptor
Connection to USB is available – an RS232-to-USB Adaptor is included in the kit contents
Software drivers must be installed in order to use the computer's USB-port as a Serial-port –
drivers for the USB-to-Serial Adaptor which Cygnus can supply are included on the
CygLink CD. See : Installing USB-to-Serial Adaptor driver software, page 26.
The USB-to-Serial Adaptor is used together with the RS422-to-RS232 Converter as shown :
Custom Connection
If you intend to convert the serial data sent from Cygnus 1 ROV Gauge using your own
electronics : the TX+ / TX- data-pair may be connected directly to any RS-422 compatible
receiving equipment
Custom Display Software
For Users who wish to develop their own display software : the format of the data sent from
the Gauge is detailed in Serial Data Format, page 13
CONNECT USB PLUG TO
USB SOCKET ON PC.
Viewing Measurements on the PC
CONNECT 9-WAY D PLUG
TO 9-WAY D SOCKET ON
K3 RS422/RS232 CONVERTER.
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