RTX HDB User Applications

Real Time eXecutives, Inc.

FOXCOM Connection to Foxboro 1A


Summary

FOXCOM is a mature, field proven software package that provides efficient and reliable asynchronous data communications between a Foxboro 1/A and/ or I/A process computer and a PC.

Operational Features

Data Transfer Rates

Error Detection

Protocol

File Transfer Procedure

(1) The PC sends a start-of-transaction message to the process computer. This message includes:

(2) The file is sent in packets. Each packet contains a check sum.

(3) The receiver acknowledges each packet. Negative acknowledgement contains error information. All recoverable errors trigger retransmission of the packet.

(4) The PC logs all fatal errors.

Foxboro 1/A Process Computer Requirements

Specifications

Requirements:

Recommended:

  • Windows 95, 98 or NT 4.0
  • Windows NT 4.0

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Real Time eXecutives, Inc. 1996 - 2009
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