Table of Contents

Introduction

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Current Supported External Systems

• BMS Systems
  • SIPe
  • Trend - 963 MSSQL
  MODBUS
  • TAC Continuum (Schneider Electric)
  • Siemens Desigo
  • Landis and Gyr
  TAC (Schneider Electric)
• Communication Protocols:
  • Modbus
  • Obix

How Does the Sigma Import Agent Work?

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Both the Periodic and Non Periodic Importers use the ExtendedLog table in the TAC MSSQL database to source data for channels. The Continuum Importers support multiple agents, the agent name needs to be included in the DataLoad Id to identify which database should be used.  The system processes all channels where the Data Load ID 1 starts with "tac://". A Continuum Compliant dataload ID will look as follows:

The system then runs the following SQL to get the data for the channel:

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