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The RS-232D to RS-485 Converter Board
The GPD 515 offers RS-485 serial communications as an option. RS-485 allows a maximum
transmission distance of 4000 feet. RS-485 allows multidrop (multiple devices) communication.
To obtain RS-485 communications an optional converter board must be purchased. This
RS-232D to RS-485 Converter Board is represented by the MagneTek part number CM085.
Read this manual thoroughly before installation, operation, maintenance, and inspection of the
CM085 Option Board.
CAUTION
The CM085 option board employs CMOS technology which may be damaged by static electricity.
Use proper electrostatic discharge (ESD) procedures when handling this board.
The CM085 board is used to convert the drive's RS-232D standard function to offer RS-485
interface. The following diagram illustrates the CM085 board. (The figure is not actual size.)
Figure 1-1. The CM085 Board
GPD 515 and Serial Communication
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