GFK-0356Q C-1
IC655CCM690 Isolated Repeater/Converter
Note: This product is no longer available. This appendix is for reference by
those already using this product. It has been replaced by catalog number
IC690ACC903 (see Appendix E for details).
This appendix describes how to use the
Isolated Repeater/Converter
(IC655CCM590) with Series
90 PLCs. The following topics are covered in this appendix.
■ Description of the Isolated Repeater/Converter
■ System Configurations
■ Cable Diagrams
Note: The catalog number for the Isolated Repeater/Converter was previously
IC630CCM390.
Description of the Isolated Repeater/Converter
The Isolated Repeater/Converter (IC655CCM590) can be used for the following purposes.
■ To provide ground isolation where a common ground cannot be established between
components.
■ To boost RS-422 signals for greater distance and more drops.
■ To convert signals from RS-232 to RS-422 or RS-422 to RS-232.
The figure on the next page shows the appearance of the unit and the locations of key features.
C
Appendix
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