11-4 Series 90-30 PLC Installation and Hardware Manual
–
August 2002 GFK-0356Q
11
required for use with the converter are provided in the “Cables” chapter of this manual. For
detailed information on this converter, refer to Appendix B.
The IC690ACC903 Port Isolator is available for applications requiring ground isolation or for
connection distances up to 4,000 feet. For detailed information, refer to Appendix E.
IC690ACC901 Miniconverter Kit
The Miniconverter Kit consists of an RS-422 (SNP) to RS-232 Miniconverter, a 6 foot (2 meter)
serial extension cable, and a 9-pin to 25-pin adapter. The 15-pin SNP port connector on the
Miniconverter plugs directly into the serial port connector on the Series 90-30 power supply,
Series 90-70 CPU, or Series 90-20 CPU. The 9-pin RS-232 port connector on the Miniconverter
connects to an RS-232 compatible device.
When used with an IBM PC-AT or compatible computer, one end of the extension cable plugs into
the Miniconverter’s 9-pin serial port connector, the other end plugs into the 9-pin serial port of the
computer. The adapter (supplied with kit) is required to adapt the 9-pin serial port connector on
the Miniconverter to the 25-pin serial port connector on the GE
Workmaster II computer,
or an IBM PC-XT or PS/2 Personal Computer. The GE
Workmaster computer requires an
additional adapter (
not supplied with kit - please contact your local GE
PLC distributor
) for
use with the Miniconverter.
The Miniconverter is shown in the following figure. For more information on the Miniconverter,
refer to Appendix D.
RS–232
PORT
RS–422
PORT
Figure 11-4. IC690ACC901 Series 90 SNP Port to RS-232 Adapter
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