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Endress+Hauser MODBUS RS485 User Manual

Endress+Hauser MODBUS RS485
140 pages
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BA117D/06/EN/12.09
71108004
Valid as of version
V 3.04.XX (Device software)
Operating Instructions
Proline Promag 53
MODBUS RS485
Electromagnetic Flow Measuring System

Table of Contents

Questions and Answers:

Endress+Hauser MODBUS RS485 Specifications

General IconGeneral
BrandEndress+Hauser
ModelMODBUS RS485
CategoryMeasuring Instruments
LanguageEnglish

Summary

Safety Instructions

Designated Use

Defines the intended application and limitations of the measuring device.

Installation, Commissioning and Operation

Guidelines for safe installation, commissioning, and operation by authorized personnel.

Operational Safety

Notes on operational safety, including hazardous environments and general safety requirements.

Return

Procedures and precautions for returning the measuring device, especially regarding hazardous substances.

Notes on Safety Conventions and Icons

Explanation of safety conventions and icons used throughout the manual for warnings and cautions.

Identification

Device Designation

Describes the components of the flow measuring system and available versions.

Nameplate of the Transmitter

Details the specifications found on the transmitter's nameplate, with explanations for each numbered item.

Nameplate of the Sensor

Explains the specifications on the sensor's nameplate, including numbered item descriptions.

Nameplate for Connections

Illustrates and explains the specifications on the connection nameplate for transmitter connections.

Certificates and Approvals

Lists the standards and approvals the measuring system complies with, including CE and ACMA.

Registered Trademarks

Lists registered trademarks relevant to the device and its components.

Installation

Incoming Acceptance, Transport and Storage

Procedures for receiving, transporting, and storing the device, including special notes for flanged devices.

Incoming Acceptance

Checks to perform upon receiving the device to ensure completeness and condition.

Transport

Instructions for safely transporting the device, including specific guidance for flanged devices and warnings.

Storage

Recommendations for proper storage conditions to protect the device from damage and environmental factors.

Installation Conditions

Factors to consider for optimal installation, including location, orientation, and pipe conditions.

Dimensions

Information on device dimensions and installation lengths, referencing the Technical Information document.

Mounting Location

Guidance on selecting suitable mounting locations and avoiding potential issues like air accumulation.

Orientation

Recommends optimal sensor orientation (vertical/horizontal) for accurate measurement and lists applicable functions.

Inlet and Outlet Runs

Specifies required inlet and outlet run lengths for ensuring measuring accuracy.

Vibrations

Advice on securing the device against vibrations and considering separate installation for severe vibration.

Foundations, Supports

Guidelines for supporting the sensor, especially for larger nominal diameters, and avoiding casing damage.

Adapters

Information on using adapters for installation in larger pipes and calculating pressure loss.

Nominal Diameter and Flow Rate

Recommended flow rates for different nominal diameters and sensor types based on fluid properties.

Length of Connecting Cable

Instructions for installing remote versions, focusing on cable routing and length limitations based on conductivity.

Installation

Step-by-step instructions for installing specific sensor types (Promag W, P, H), including details on seals and ground cables.

Installing the Promag W sensor

Procedures for installing the Promag W sensor, including notes on bolts, nuts, seals, and ground cables.

Installing the Promag P sensor

Installation steps for the Promag P sensor, emphasizing protective covers, seals, and ground cables.

Installing the Promag H sensor

Instructions for installing the Promag H sensor, focusing on process connections, seals, and grounding rings.

Turning the Transmitter Housing

Procedures for rotating the transmitter housing (aluminum and stainless steel) for optimal viewing.

Turning the Local Display

Steps for rotating the local display module to a desired position for better visibility.

Installing the Wall-mount Housing

Methods for installing the wall-mount housing, including direct mounting, panel, and pipe mounting.

Post-installation Check

A checklist for verifying correct installation and device condition after installation.

Wiring

Cable Specification MODBUS RS485

Details the specifications for MODBUS RS485 cables, recommending type A and outlining bus structure notes.

Cable Type

Specifies characteristics of cable type A for MODBUS RS485 communication and notes for bus structure.

Shielding and Grounding

Explains the importance of shielding and grounding for EMC, explosion protection, and personnel safety.

Connecting the Remote Version

Instructions for connecting the sensor and transmitter in a remote configuration, including safety warnings and procedures.

Connecting the Sensor

Step-by-step guide for connecting the sensor to the transmitter, including safety precautions and cable termination.

Cable Specifications

Detailed specifications for signal and coil current cables, including cross-sections and reinforced cable options.

Connecting the Measuring Unit

Covers terminal assignments for I/O boards and procedures for connecting the transmitter.

Terminal Assignment

Lists permissible submodule combinations and their corresponding terminal assignments on the transmitter's I/O board.

Transmitter Connection

Procedures and safety warnings for connecting the transmitter, including cable routing and fieldbus cable considerations.

Potential Equalization

Explains the importance of potential equalization for accurate measurement and provides connection examples for different conditions.

Potential Equalization, Promag W, Promag P

Discusses potential equalization for Promag W and P sensors, noting the standard reference electrode.

Potential Equalization, Promag H

Explains potential equalization for Promag H sensors and the need for grounding rings with plastic connections.

Connection Examples for Potential Equalization

Provides standard case connection examples for potential equalization, including metallic and ungrounded piping.

Degree of Protection

Details how to maintain the IP 67 (NEMA 4X) protection rating after installation and servicing.

Post-Connection Check

A checklist to perform after electrical installation to ensure correct connections and grounding.

Operation

Quick Operation Guide

Outlines the different options for configuring and commissioning the device, including local display and software programs.

Local Display

Describes the functions and elements of the local display for reading parameters and configuring the device.

Display and Operating Elements

Explains the liquid crystal display, optical sensors, and keys used for device operation.

Display (Operating Mode)

Details the typical display layout in normal operating mode (HOME position) and multiplex mode.

Additional Display Functions

Lists additional display functions available depending on the order option, such as batching software.

Icons

Provides a reference for icons used on the display to indicate measured variables, status, and errors.

Controlling the Batching Processes using the Local Display

Instructions on how to use the local display and softkeys to control batching processes.

Brief Operating Instructions to the Function Matrix

Guidance on navigating the function matrix for configuring parameters and selecting functions.

General Notes

General guidelines for using the function matrix, including function selection, data entry, and mode disabling.

Enabling the Programming Mode

Explains how to enable programming mode using a numerical code and the implications of incorrect codes.

Disabling the Programming Mode

Describes how programming mode is automatically disabled or can be manually disabled.

Error Messages

Covers types of errors (system/process) and how they are displayed, including fault and notice messages.

Type of Error

Differentiates between system errors and process errors and their display priority.

Error Message Type

Explains the classification of errors as "Fault" or "Notice" messages and their impact on outputs.

MODBUS RS485 Communication

Introduces MODBUS RS485 technology, system architecture, and master/slave communication principles.

MODBUS RS485 Technology

Describes the MODBUS RS485 fieldbus system, distinguishing between master and slave devices.

MODBUS Telegram

Explains the structure of MODBUS telegrams (request and response) and their fields.

MODBUS Function Codes

Lists and describes the MODBUS function codes supported by the device for read, write, and test operations.

Maximum Number of Writes

Warns about the limitation on EEPROM writes to prevent data loss and device failure.

MODBUS Register Addresses

Explains how register addresses are used to access device parameters and the different address models.

MODBUS Error Messages

Lists supported exception codes for MODBUS errors returned to the master.

MODBUS Auto-Scan Buffer

Describes the auto-scan buffer for grouping device parameters and configuring the scan list.

Operating Options

Presents options for operating and configuring the device, including FieldCare and device drivers.

FieldCare

Introduces FieldCare as an Asset Management Tool for configuring and diagnosing intelligent field devices.

Device Drivers for Operating Programs

Lists suitable device drivers for operating programs and how to acquire them.

Hardware Settings

Covers hardware settings like write protection, device address, terminating resistors, and output configurations.

Hardware Write Protection, Switching On and Off

Explains how to use jumpers on the I/O board to enable or disable hardware write protection.

Configuring the Device Address

Details how to configure the device address using local operation or miniature switches.

Configuring the Terminating Resistors

Importance of correct termination for MODBUS RS485 lines and how to configure resistors.

Current Output Configuration

Describes how to configure the current output as active or passive using jumpers on the I/O board.

Relay Output Configuration

Explains how to configure relay contacts as normally open (NO) or normally closed (NC) using jumpers.

Commissioning

Function Check

Reminds users to complete post-installation and post-connection checks before startup.

Switching On the Measuring Device

Describes the process of switching on the device and the sequence of messages displayed during self-tests.

Quick Setup

Introduces Quick Setup menus for configuring device parameters and additional functions easily.

Quick Setup "Commissioning"

Details the initial "Commissioning" Quick Setup procedure, including unit and output configuration.

Quick Setup "Pulsating Flow"

Explains the "Pulsating Flow" Quick Setup for compensating flow fluctuations from pumps.

Quick Setup "Batching"

Guides through the "Batching" Quick Setup for configuring batching operations and controlling filling processes.

Quick Setup "Communication"

Covers the "Communication" Quick Setup for establishing serial data transfer and configuring communication parameters.

Data Backup/Transmission

Explains the T-DAT SAVE/LOAD function for transferring device data between memory and EEPROM.

Adjustment

Covers device adjustment procedures, specifically for empty-pipe/full-pipe conditions.

Empty-Pipe/Full-Pipe Adjustment

Step-by-step instructions for performing empty-pipe/full-pipe adjustment (EPD/OED) and activating the function.

Data Memory

Describes the HistoROM data storage modules (S-DAT, T-DAT) and the F-CHIP for extending functionality.

HistoROM/S-DAT (Sensor-DAT)

Details the S-DAT as exchangeable memory for sensor-specific parameters.

HistoROM/T-DAT (Transmitter-DAT)

Explains the T-DAT as exchangeable memory for transmitter parameters and settings.

F-CHIP (Function-Chip)

Describes the F-CHIP as a microprocessor chip that extends device functionality with software packages.

Maintenance

Exterior Cleaning

Guidance on cleaning the exterior of the device using appropriate cleaning agents.

Seals

Notes on periodic replacement of seals, particularly for molded seals, and their dependency on usage.

Accessories

Device-Specific Accessories

Lists accessories specific to the Promag 53 transmitter and conversion kits.

Measuring Principle-Specific Accessories

Lists accessories related to mounting, grounding, and specific sensor types.

Service-Specific Accessories

Lists service tools like Applicator, Fieldcheck, FieldCare, and Memograph M graphic display recorder.

Troubleshooting

Troubleshooting Instructions

A systematic guide to troubleshooting faults, starting with display checks and error messages.

Check the Display

Steps to troubleshoot issues related to the device display and output signals.

Error Messages on Display

Explains the meaning of icons used in error messages and how to interpret them.

Other Error (Without Error Message)

Guidance for diagnosing and rectifying faults that do not generate specific error messages.

System Error Messages

Lists common system errors, their causes, and recommended remedies, including hardware and software issues.

Process Error Messages

Details process-specific errors, their causes, and remedies, focusing on batching and adjustment-related issues.

Process Errors Without Messages

Addresses common process issues that occur without displaying specific error messages and their rectification.

Response of Outputs to Errors

Explains how outputs (current, pulse, frequency) and totalizers respond to errors and the effect of positive zero return.

Spare Parts

Lists available spare parts for transmitter components and their ordering information.

Removing and Installing Printed Circuit Boards

Step-by-step instructions for removing and installing circuit boards in both field and wall-mount housings.

Replacing the Device Fuse

Procedure for safely replacing the main fuse on the power supply board.

Replacing the Exchangeable Electrode

Detailed guide on how to remove and fit exchangeable measuring electrodes in Promag W sensors.

Return

Procedures and precautions for returning the device for repair or calibration, including contamination declaration.

Disposal

Reminder to observe local regulations for device disposal.

Software History

Provides a history of software versions and their corresponding manual versions.

Technical Data

Technical Data at a Glance

Provides an overview of the device's technical specifications, including application and system design.

Application

Specifies the intended application and main use case for the measuring device.

Function and System Design

Describes the measuring principle and the overall system design of the device.

Input Variables

Details the measured variable, measuring range, operable flow range, and input signal characteristics.

Output Variables

Lists specifications for current, pulse, and frequency outputs, including active/passive modes and configurations.

MODBUS RS485

Technical specifications related to the MODBUS RS485 communication interface.

Power Supply

Covers electrical connections, supply voltage ranges, cable entries, power consumption, and behavior during power failure.

Performance Characteristics

Specifies reference operating conditions and details maximum measured error and repeatability.

Operating Conditions: Installation

Provides installation-related operating conditions, including inlet/outlet runs and connecting cable length.

Operating Conditions: Environment

Details environmental conditions like ambient temperature, storage, degree of protection, and shock resistance.

Operating Conditions: Process

Outlines process-related operating conditions, focusing on medium temperature ranges and pressure tightness.

Mechanical Construction

Information on device dimensions, weights in SI and US units for different models.

Human Interface

Describes the display elements, operating elements, and language groups available for user interaction.

Certificates and Approvals

Lists CE mark, C-tick mark, Ex approval, sanitary compatibility, and drinking water approvals.

Ordering Information

Directs users to contact Endress+Hauser service for detailed ordering information and order codes.

Accessories

Mentions the availability of various accessories for transmitter and sensor, orderable separately.

Documentation

Lists available documentation, including technical information and device function descriptions.

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