SCIENTIFIC INSTRUMENTS 6290_020-112B Manual

This document defines a liquid level gauge's Modbus interface specification.

Brand: Scientific
Category: Industrial Supply
Document type: Datasheet
Language: English
Pages: 19
File format: PDF
File size: 109 KB
Published: 04 July, 2012
Updated: 01 October, 2023
MD5 checksum: AA5EF85A29E52AB8FE0DE17B57C50B22
PDF: SCIENTIFIC INSTRUMENTS 6290_020-112B Manual PDF

About this manual

This document defines a limited implementation of the Modbus Protocol for the Scientific Instruments Model 6290 (M6290) tank gauging system. The system is designed to measure level, temperature, and density in large tanks of cryogenic liquids, such as liquid natural gas, using a driven probe. The interface supports RS485 communication with a variable baud rate and RTU transmission mode.

What's inside

General Description
Data Addressing & Data Definition
Mode & Speed Control
Status & Alarms
Profile & Alarm Control
Sensor Data
Hardware Specifications
Programming Suggestions
Software Testing

Specifications

Interface Type	RS485
Transmission Mode	RTU
Product Type	Tank Gauging System
Measured Parameters	Level, Temperature, Density

Frequently asked questions

What is the base address for Mode and Speed data?

The base address for Mode and Speed is 0001.

What is the base address for Status and Alarms?

The Status base address is 10001 and the Alarms base address is 10017.

What is the base address for Profile and Alarm Control?

The base address for Profile and Alarm Control is 40001.

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