RS-485 Converters

 

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Several of the HART Multiplexers that may be employed to implement an on-line HART instrument network with Cornerstone software require a hardware device to convert the computer's RS-232 I/O to RS-485.  The list below indicates RS-232 to RS-485 converter models that are known or believed to be compatible with Cornerstone ComLib software used to provide the interface between the PC and the HART Multiplexer equipment.  Other models may also be suitable, but testing should be done to determine compatibility with the HART Multiplexer and Cornerstone software.

Manufacturer Model

Compatibility
Dutec Baudmaster BM-100 & BM-100CE Yes - Tested by ASTEC.  CE
Keithley M1100 (old model) Yes - Tested by ASTEC.
Keithley M1000 Yes - Tested by ASTEC.
Omega A1000 Yes - Tested by ASTEC.
Telebyte 285 Yes - Tested by ASTEC.  CE
Telebyte 8365 Yes - Tested by ASTEC.  CE
Westermo M44 Yes - Reported by Cornerstone user.  CE
 

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This site was last updated on 17 May 2005.