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Siemens SITRANS F Modbus RTU RS 485 User Manual

Siemens SITRANS F Modbus RTU RS 485
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SITRANS F
Communication Modules
Modbus RTU RS 485
Operating Instructions
FDK-085U0234 (MODBUS RTU module)
03/2021
A5E00753974-AB
Introduction
1
Safety notes
2
Installing/mounting
3
Connecting
4
System integration
5
Functions codes
6
Technical speci󹪝cations
7
Modbus holding registers
A
Appendix
B
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Siemens SITRANS F Modbus RTU RS 485 Specifications

General IconGeneral
BrandSiemens
ModelSITRANS F Modbus RTU RS 485
CategoryControl Unit
LanguageEnglish

Summary

Legal Information and Warnings

Warning Notice System

Explains the grading of safety warnings and symbols used in the manual.

Qualified Personnel

Defines the qualifications required for operating the product.

Introduction

Purpose of the Operating Instructions

Outlines the scope and purpose of the manual.

Modbus RTU Technology Overview

Explains the basics of the Modbus RTU protocol.

Safety Notes

General Safety and Area Warnings

Covers general cautions, notes, and hazardous area restrictions.

Installing and Mounting

General Installation Notes

Provides general notes on installation and hazardous area restrictions.

MAG/MASS 6000 IP67/19" Installation

Details the installation procedure for specific MAG/MASS 6000 models.

MAG 6000 I Installation

Details the installation procedure for the MAG 6000 I.

MASS 6000 Ex d Installation

Details the installation procedure for the MASS 6000 Ex d.

Connecting the Modbus Module

Terminal Allocation and Specifications

Lists terminal numbers, shielding, and cable specifications for connection.

Wiring Details

Provides the wiring diagram and termination notes.

System Integration

Transmitter and Device Settings

Explains where settings are stored and device tagging/addressing.

Function Check and Menu Navigation

Guides on verifying installation and navigating the Modbus display menu.

Modbus Functions Codes

Addressing and Command Overview

Covers Modbus addressing model, commands, and supported codes.

Read Coils (01 Hex)

Details the 'Read coils' function code, command, and response messages.

Read Multiple Registers (03 Hex)

Details the 'Read multiple registers' function code.

Write Single Coil (05 Hex)

Details the 'Write single coil' function code.

Write Multiple Registers (10 Hex)

Details the 'Write multiple registers' function code.

Report Slave ID (11 Hex)

Details the 'Report Slave ID' command.

Exception Handling

Details exception codes and their meanings.

Technical Specifications

Technical Data Table

Lists various technical data attributes for the module.

Modbus Holding Registers

Process Data

Lists process data registers for MAG 6000.

MODBUS Driver Settings

Details settings related to the MODBUS driver.

MODBUS Application Settings

Details settings specific to MODBUS applications.

Basic Settings

Outlines basic configuration settings for MAG 6000 and MASS 6000.

Totalizer Settings

Details the configuration parameters for totalizers.

Output Settings

Details the configuration parameters for module outputs.

External Input Settings

Details the configuration parameters for external inputs.

Sensor Characteristics

Details the characteristics of the sensors used.

Product Identity and Service Info

Provides product identity and service information.

Display Settings

Details the configuration options for the device display.

Flowmeter Status

Describes the status indicators and error codes for the flowmeter.

Appendix

Unit Definitions

Lists the units used for various measurements like massflow and volumeflow.

Massflow and Volumeflow Units

Details the specific units for massflow and volumeflow measurements.

Density Units

Details the specific units used for density measurements.

Totalizer Units and Point Positions

Details totalizer units and decimal point position settings.

Modbus Coils

Explains Modbus coils, their memory map, and totalizer coil functions.

Error Information

Describes the structure of the error pending list and error log list.

Run Indicator

Explains the meaning and states of the device run indicator.

CRC Calculation

Details the process of calculating the Cyclic Redundancy Check.

Data Type Mapping

Maps SITRANS F data types to their Modbus RTU implementations.

Float Definition

Explains how multi-byte numbers are stored in Modbus registers.

Glossary

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