GE DigitalFlow GF868 User Manual

GE
Measurement & Control Gas Analysis
910-194P1 Rev. F
February 2015
DigitalFlow™ GF868
Ultrasonic Flowmeter for Flare Gas
Programming Manual (1-Channel)

GE DigitalFlow GF868 Specifications

General

Type	Ultrasonic Flowmeter
Enclosure	NEMA 4X (IP66)
Ingress Protection	IP66
Technology	Ultrasonic transit-time
Measurement Principle	Transit-time Ultrasonic
Measurement Method	Clamp-on
Pipe Size Range	0. 5 inch to 48 inches (12.7 mm to 1220 mm)
Fluid Types	Liquids
Temperature Range	-40° to 302°F (-40° to 150°C) (depending on transducer)
Operating Temperature	-4° to 140°F (-20° to 60°C)
Power Supply	100-240 VAC, 50/60 Hz
Outputs	4-20 mA, pulse, relay, frequency
Communication	RS-232, RS-485, Modbus, HART
Hazardous Area Certification	ATEX, IECEx
Accuracy	±0.5% to 1% of reading (depending on application)

Summary

Preface

Safety Issues

Covers user responsibilities and hazardous situations related to safety.

Chapter 1. Programming Site Data

1.5 Entering Programming Mode

Details steps to access and navigate the User Program.

1.6 Activating the Channel

Procedure to select the desired measurement method (Skan/Measure).

1.7 Entering System Data

Inputting site label, message, system units, and pressure units.

1.8 Entering Pipe Data

Configuring transducer and pipe parameters like OD, wall thickness.

1.9 Setting Up Inputs/Outputs

Configuring error handling, analog I/O, alarms, and RTD inputs.

1.10 Entering Setup Data

Setting signal limits, response times, and advanced parameters.

1.12 Setting Up Serial Communications

Configuring RS232, MODBUS, Ethernet, and MODBUS/TCP ports.

1.13 Saving Site Data

Storing programmed site data into a non-volatile memory file.

1.15 Activating Security

Setting up password protection to lock specific menus.

Chapter 3. Logging Data

3.2 Creating a Standard Log

Sets up logs, selects parameters, and defines log timing.

3.5 Creating an ERROR Log

Logs generated error messages with parameter values.

Chapter 4. Printing Data

4.2 Print Live Data

Prints live measurement data in numeric or graphical format.

4.3 Printing Logs

Prints logged measurement data from meter memory.

4.4 Print Site File

Chapter 5. Clearing Data

5.2 Reset Totals

5.3 Deleting Site Files

5.4 Deleting Log Files

Chapter 6. Serial Communications

6.2 Wiring the RS232 Interface

6.3 Checking the GF868 Baud Rate

6.4 Setting Up the Terminal Software and Transferring Data

6.5 The Optional RS485 Serial Interface

6.6 Setting Up an Ethernet Connection

Connects the GF868 to a network via Ethernet.

6.7 Setting Up a MODBUS/TCP Connection

Configures MODBUS/TCP communication.

Appendix A. Menu Maps

C.3 Setting Up the Communications Port

Steps to establish communications with the GF868.

C.3.1 Setting up Ethernet Communications

Configures Ethernet communication parameters.

C.4 Adding the GF868

C.5 Editing Meter Properties

Edits GF868 properties such as clock, signals, and files via PanaView.

C.5.2 Reading Transducer Signals

C.5.3 Plotting Transducer Signals

C.5.6 Handling Site Files

C.6 Changing Meter Settings

Remotely programs and changes meter operating parameters.

Appendix D. Foundation Fieldbus Communications

D.3 Selecting the Desired Measurements

D.4 Selecting Units for AI Blocks

Warranty

Return Policy

Certification & Safety Statements

GE Infrastructure Products Used in Hazardous Locations

Provides safety guidelines for equipment used in hazardous locations.