Endress+Hauser Deltabar FMD72 User Manual

Products Solutions Services
Operating Instructions
Deltabar FMD71, FMD72
Level measurement with electronic differential pressure
Electronic differential pressure transmitter with ceramic
and metal sensors
BA01044P/00/EN/06.17
71376028
Valid as of version
01.00.00

Endress+Hauser Deltabar FMD72 Specifications

General

Device Type	Differential pressure transmitter
Application	Level measurement, flow measurement
Measuring Range	Up to 400 bar
Process Temperature	-40 to 125 °C
Output Signal	4-20 mA HART, PROFIBUS PA, FOUNDATION Fieldbus
Housing	Aluminum or stainless steel
Communication	HART, PROFIBUS PA, FOUNDATION Fieldbus
Power Supply	10.5 to 45 V DC
Protection Class	IP66
Material	Stainless steel
Approvals/Certifications	ATEX, IECEx
Process Connection	Flanged, threaded

Summary

Basic Safety Instructions

Staff Requirements

Details qualifications and authorization required for personnel.

Designated Use

Defines the intended application and compatible media for the device.

Workplace Safety

Outlines safety measures for working with the device.

Operational Safety

Covers safe operation, modifications, and repairs.

Product Safety

Confirms compliance with safety standards and EC directives.

Installation

Installing Sensor Modules

Details general instructions for installing sensor modules.

Installing the Transmitter

Describes how to install the transmitter using the supplied mounting bracket.

Post-Installation Check

Lists checks to perform after installation for device and connection integrity.

Electrical Connection

Connecting LP to HP Sensor Module

Details how to connect the LP sensor module to the HP sensor module.

Connecting HP Sensor Module to Transmitter

Explains how to connect the HP sensor module to the transmitter.

Connecting the Measuring Unit

Provides terminal assignment and connection steps for the measuring unit.

Post-Connection Check

Checklist for verifying electrical connections after installation.

Operation Options

Operation With Operating Menu

Explains the operation concept based on user roles and menu structure.

Onsite Display Operation

Explains how to use the onsite LCD for display and operation.

Locking/Unlocking Operation

Explains methods to lock and unlock device operation.

Resetting to Factory Settings

Details how to reset parameters to factory settings using reset codes.

Integrating Transmitter via HART Protocol

HART Process Variables and Measured Values

Lists HART process variables and their assigned numbers.

Device Variables and Measured Values

Assigns measured values to individual device variables.

Commissioning

Post-Installation and Function Check

Ensures pre-commissioning checks are completed.

Unlocking/Locking Configuration

Describes how to unlock the device before configuration.

Commissioning Without Operating Menu

Details commissioning steps using physical keys.

Commissioning With Operating Menu

Outlines steps for commissioning using the operating menu.

Measuring Mode Selection

Describes how to select the measuring mode (Pressure or Level).

Position Zero Adjust

Corrects pressure resulting from device orientation.

Configuring Level Measurement

Linearization

Configuring Pressure Measurement

Protecting Settings from Unauthorized Access

Diagnostics and Troubleshooting

Troubleshooting

Provides solutions for general device errors and communication issues.

Diagnostic Events

Explains how diagnostic messages are displayed and their status signals.

Repairs

General Repair Notes

Overview of the Operating Menu

Description of Device Parameters

Setup Parameters

Level Measuring Mode Parameters

Diagnostics

Covers diagnostic parameters.

Diagnosis Sensor HP

Diagnosis Sensor LP

Diagnostic List

Event Logbook

Diagnosis Measured Values

Diagnosis Simulation

Diagnosis Reset

Technical Data

Input Specifications

Output Specifications