Download PT Board - Barchard Engineering Ltd.

Reference Documents
Modicon Modbus Protocol Reference Guide
Document Number: PI-MBUS-300, Rev. J
Specifications and Requirements for an Electronic Flow Measurement Remote Terminal
Unit.
Document Number: N/A, 07-18-1990, Revised 12-05-1994, Enron Corp.
Functional Specifications for an Electronic Flow Measurement Communications System.
Document Number: N/A, 09-11-1995, Enron Corp.
Serial Communications Interface & Protocol
Document Number: (per Instrument), Mercury Instruments, Inc.
Modbus is a trademark of MODICON, Inc.
Prerequisites
This guide assumes you have:

Familiiarity with your Mercury Instrument.

An understanding of the Modbus Host system being employed.

An understanding of basic data communications concepts.

All necessary hardware and software including PT Config.exe.

This guide assumes you are using one of the following Mercury Instruments:
Electronic Correctors:
EC-AT
Mercor Mini
Mini-Max
Mini-AT
Turbo Corrector (TOC)
Turbo Monitor (TOM)
Electronic Recorders:
ER
ERX
Page 3
3