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Energizer 2103, 2103c, 2103G Register Specifications, Table 5-1Modbus ASCII Address 1 Register Definitions, Name, Units, Register, Data type, Number(s), Read/Write

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2103 Modem Module

Section 5 Modbus Protocol

5.6Register Specifications All numbers in the Modbus registers are stored most significant byte first. If the polling device has a byte ordering of least signif- icant byte first (an Intel-based PC, for example), the bytes will need to be reversed after they are received.

The Modbus ASCII address is used to index the data by modules.

Modbus ASCII address 1 contains information related to the site. The first register contains a 16-bit integer count of the number of modules that have data to report. The maximum number of modules that can be supported is 4.

Modbus ASCII addresses 2 through the number of modules plus 1 contain data from the individual modules.

The Modbus ASCII addresses will be sorted by the model number, and then by module name, which is entered by the user through Flowlink. This allows the user to control the ordering of the addresses and easily predict what data will be in specific reg- isters.

Every measured parameter has a corresponding status and measurement time that are updated with each measurement.

The maximum number of supported measurements from all modules in the system is 28.

The Modbus registers are assigned within 30 seconds after the 2100 module is powered up. To conserve power for the users who do not use Modbus communications, no Modbus registers will be updated with sensor readings until a Modbus master communicates with the 2100 module.

The register definitions for the Site Information device (Modbus

ASCII address 1) are in Table 5-1below:

Table 5-1 Modbus ASCII Address 1 Register Definitions

	Register	Name	Data type	Units	Read/Write
	Number(s)	Name	Data type	Units	Read/Write
	Number(s)
	1	Number of	16 bit integer	None	Read
		modules (N)
		(1-4)

	2-20	Site name	38-byte string	None	Read

5-6

Contents

Installation and Operation Guide Page Foreword Page Table of Contents Section 1 Introduction Section 2 Installation and Operation Section 3 2103C Cellular Modem Module Section 4 2103G Cellular Modem Module List of Figures List of Tables Page Section 1 Introduction 1.1 Introduction 1.2 Product Description 1.3Identifying Module Components Page Table 1-32103 Modem Module Technical Specifications Table 1-4Specifications – 2191 Battery Module Table 1-52103 Communication Connector Pins (2103 only) 1.4Safety Symbols and Hazard Alerts 1.5 Technical Service Page Section 2 Installation and Operation 2.1Unpacking Instructions 2.2Safety 2.3 Installation Page Page Page Page Page Page Page Page Section 3 2103C Cellular Modem Module 3.1 Overview 3.2 Antenna Options Page Page 3.3Connecting to Flowlink Page Section 4 2103G Cellular Modem Module 4.1 Overview 4.2 SIM Card Page 4.3 Antenna Options Page Page 4.4Connecting to Flowlink 4.5Setting Up The Access Point Name Page Section 5 Modbus Protocol 5.1 Introduction Establishing Module Addressing 5.3 Configurations 5.4 Glossary of Terms 5.5 Common Acronyms Register Specifications Table 5-1Modbus ASCII Address 1 Register Definitions Table 5-2Modbus ASCII Address 2-(N+1)Register Definitions Table 5-2Modbus ASCII Address 2-(N+1)Register Definitions (Continued) Table 5-3Measurement Parameters by Model Number Page Section 6 Maintenance 6.1Maintenance Overview 6.3 Desiccant 6.4 Hydrophobic Filter 6.5 O-Rings How to Obtain Service Page Appendix A Replacement Parts A.1 Replacement Parts Page Page Page Page Page Page Page Page Page Page Page Appendix B Accessories B.1 How to Order B.2 General Accessories Page Appendix C Material Safety Data Sheets C.1 Overview Material Safety Data Sheet Section 1 - Material Identification and Information Section 2 - Physical/Chemical Characteristics Section 3 - Fire and Explosion Hazard Data Section 4 - Reactivity Hazard Data Section 5 - Health Hazard Data Section 6 - Control and Protective Measures Section 7 - Precautions for Safe Handling and Use/Leak Procedures MATERIAL SAFETY DATA SHEET Section 1 – Product and Company Information Section 2 – Composition / Information on Ingredients Section 3 – Hazard Identification Section 4 – First Aid Measures Section 5 – Fire Fighting Measures Section 6 – Accidental Release Measures Section 7 – Handling and Storage Section 8 – Exposure Controls/Personal Protection Section 9 – Physical and Chemical Properties Section 10 – Stability and Reactivity Section 11 – Toxicological Information Section 12 – Ecological Information Section 13 – Disposal Information Section 14 – Transportation Information Section 15 – Regulatory Information Section 16 – Other Information Page Page Standard Description Performance Criteria Severity Applied USA Representative Page Page Page Standard Description Severity Applied William Foster USA Representative Page Teledyne Isco One Year Limited Factory Service Warranty Return Authorization Shipping Address: Mailing address: