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Onicon System-10 BTU Meter User Manual

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System-10 BTU Meter
LonWorks Network Interface Installation Guide
1500 North Belcher Road, Clearwater, FL 33765 • Tel (727) 447-6140 • Fax (727) 442-5699
www.onicon.com • sales@onicon.com
07-13
LonWorks
0654-4 / 16751
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Onicon System-10 BTU Meter Specifications

General IconGeneral
BrandOnicon
ModelSystem-10 BTU Meter
CategoryMeasuring Instruments
LanguageEnglish

Summary

SECTION 1: INTRODUCTION

Purpose of This Guide

This guide outlines the installation, commissioning, and servicing of the ONICON System-10 BTU Meter.

Typical System-10 BTU Meter

Explains the ONICON System-10 BTU Meter's function as a heat computer using sensor data for measurements.

Specifications

Details the technical specifications for the ONICON System-10 BTU Meter's Lon Talk network interface.

NETWORK SIGNAL CONNECTIONS

Lon Talk Connection

Describes the 2-wire serial output connections for Lon Talk to terminal T1, including torque specifications.

Optional Pulse Input (Di3)

Covers configuration of the auxiliary pulse input for totalizing outputs from external devices like water or gas meters.

NETWORK ADDRESSING

LonWorks Network Addressing

Explains the unique 48-bit Neuron ID used as the Node ID, combined with Domain/Subnet IDs for device addressing.

COMMISSIONING THE SYSTEM-10-LON

Service Pin LED States

Details the meaning of the yellow service pin LED states for Lon Talk network connection status.

LONWORKS XIF FILES

Output Network Variables

Describes how the System-10-LON transmits data via SNVTs, including floating point and ASCII formats.

Integer Format Output Variables

Explains the use of integer format output variables for systems that cannot accept floating point data.

Input Network Variables

Details input network variables used for remote commands to reset totals, utilizing ASCII format.

Node Object nviRequest

Details the five input variable requests implemented for the node object, including mandatory functions.

Node Object nvoStatus

Describes the six status object functions that report status information to the network.

Resetting Totals via Network

Explains methods for remotely resetting flow, energy, and auxiliary input totals using input variables or nviRequest.

Rollover of Totals

Details how flow and energy totals roll over to zero when the maximum count is exceeded.

NETWORK TROUBLESHOOTING TIPS

Troubleshooting Common Issues

Provides solutions for common reported problems like no flow signal, incorrect flow rate, temperature issues, and communication errors.

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