Modbus Communications; Applicable Flowmeter Models; Overview; Reference Documents - GE PanaFlow MV80 User Manual

Chapter 4. Serial Communications

4.2 Modbus Communications

WARNING!
meter.

4.2.1 Applicable Flowmeter Models

PanaFlow Mass Flowmeters, Models MV80 and MV82 with Modbus communication protocol and firmware version
4.00.58 and above are capable of Modbus commuinications.

4.2.2 Overview

This section describes the preliminary implementation of the Modbus communication protocol for use in monitoring
common process variables in the PanaFlow Vortex Flowmeter. The physical layer utilizes the half-duplex RS-485 port
and the Modbus protocol.

4.2.3 Reference Documents

The following technical documents are available online from www.modbus.org:
•
Modbus Application Protocol Specification V1.1
•
Modbus Over Serial Line Specification & Implementation Guide V1.0
•
Modicon Modbus Protocol Reference Guide PI-MBUS-300 Rev. J
84
Place the controls in manual mode when making configuration changes to the vortex
PanaFlow™ MV80 & MV82 User's Manual