Teledyne 2103c installation and operation guide Modbus Ascii Address 2-N+1 Register Definitions

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2103 Modem Module

Section 4 Modbus Protocol

The register definitions for the individual modules (Modbus

ASCII addresses 2-(N+1)) are in Table 4-1below:

Table 4-2 Modbus ASCII Address 2-(N+1) Register Definitions

Register Number(s)	Name	Data Type	Units	Read/Write
1-4	Model number	8-byte string	None	Read

5-23	Module name	38-byte string	None	Read

241	Identify module	16 bit integer	None	Read/Write
252	Take reading flag	16 bit integer	None	Read/Write
263	Update interval	16 bit integer	Seconds	Read/Write
274	Active flag 1	16 bit field	None	Read
28	Active flag 2	16 bit field	None	Read

29	Active flag 3	16 bit field	None	Read

30	Active flag 4	16 bit field	None	Read

40,41	Level	4-byte float	Meters	Read

42	Level status code5	16-bit integer		Read
43-52	Level time record	Time6		Read
55,56	Velocity	4-byte float	Meters/second	Read

57	Velocity status code	16-bit integer		Read

58-63	Velocity time record	Time		Read

70,71	Flow	4-byte float	Cubic Meters/sec	Read

72	Flow status code	16-bit integer		Read

73-78	Flow time record	Time		Read

85,86	Flow 1	4-byte float	Cubic Meters/sec	Read

87	Flow 1 status code	16-bit integer		Read

88-93	Flow 1 time record	Time		Read

100,101	Volume	4-byte float	Cubic Meters	Read

102	Volume status code	16-bit integer		Read

103-108	Volume time record	Time		Read

115,116	Volume 1	4-byte float	Cubic Meters	Read

4-7

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Contents 2103/2103c Modem Module Page Foreword Page Modem Module Table of ContentsAppendix B Accessories Appendix a Replacement PartsAppendix C Material Safety Data Sheets List of FiguresIntroduction Product Description Introduction2103 Modem Module Components Top View Identifying Module Components2103 Modem Module Components Bottom View 2103 Modem Module Technical Specifications 2103 Communication Connector Pins Only 2103 Modem Cable Connector Safety Symbols and Hazard AlertsTechnical Service Modem Module Introduction Installation and Operation SafetyUnpacking Instructions Modem Module Installation and Operation Installation2103 Modem is in compliance with FCC part 68 rules. However Telephone Line Connection 2103 onlyService is subject to state tariffs Modem Cable Flowlink Connect Screen Connecting to FlowlinkPushed Data Capability Modem Module Installation and Operation 2103c Cellular Modem Module OverviewAntenna Options Modem Module 2103c Cellular Modem Module ProgrammingSetting dialout phone numbers and alarm conditions TAP Service Parameters Operation Modbus ProtocolEstablishing Configuration Example Direct Connection Shown ConfigurationsGlossary of Terms Common Acronyms Modbus Ascii Address 1 Register Definitions Modbus Ascii Address 2-N+1 Register Definitions 117 Volume 1 status code Bit integer Read Measurement Parameters by Model Number Modem Module Modbus Protocol Maintenance Maintenance OverviewMaintenance Kit Desiccant DesiccantHydrophobic Filter Rings Modem Module Maintenance Replacement Parts Appendix a Replacement Parts1 2103 Replacement Parts Modem Module Appendix a Replacement Parts Modem Module Appendix a Replacement Parts 2 2103c Replacement Parts Modem Module Appendix a Replacement Parts Modem Module Appendix a Replacement Parts Modem Module Appendix a Replacement Parts Modem Module Appendix a Replacement Parts Modem Module Appendix a Replacement Parts Modem Module Appendix a Replacement Parts Modem Module Appendix a Replacement Parts How to Order General Accessories Appendix B AccessoriesModem Module Appendix B Accessories Appendix C Material Safety Data Sheets Material Safety Data Sheet Health Hazard Data Material Safety Data Sheet First Aid Measures Exposure Controls/Personal Protection Toxicological Information Other Information Declaration of Conformity Page Control and Laboratory use Page Teledyne Isco One Year Limited Factory Service Warranty