Reference, Installation, and Operations Manual

Section 1: Introduction

3-9000-743 Rev S

June 2013

 

 

 

Table 1-1 Gas Ultrasonic Meter acronyms, abbreviations and definitions

Acronym or abbreviation

Definition

 

 

RTS

Request-to-Send; the RS-232C handshaking signal output by a receiver when it is

 

ready to receive data

 

 

RTU MODBUS

A Modbus protocol framing format in which elapsed time between received charac-

 

ters is used to separate messages. RTU stands for Remote Terminal Unit.

 

 

s

second (time unit, metric)

 

 

Scfh

seconds per cubic feet per hour

 

 

sec

second (time unit, u.s. customary)

 

 

time_t

seconds since Epoch (00:00:00 UTC Jan. 1, 1970) (time unit)

 

 

U.L.

Underwriters Laboratories, Inc. - product safety testing and certification organization

 

 

USM

Ultrasonic Gas Flow Meter

 

 

V

volts (electric potential unit)

 

 

W

watts (power unit)

 

 

1.3What’s new

Daniel MeterLink

This version of Daniel MeterLink has robust features for monitoring the health status of Daniel Ultrasonic Gas Flow Meters. Daniel MeterLink setup wizards guide you through the process of configuring Continuous Flow Analysis parameters and setting Baselines. The Baseline Viewer provides a graphical display of the meter’s flow characteristics.

Figure 1-2 Baseline viewer

What’s new

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