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Endress+Hauser prowirl 77 User Manual

Endress+Hauser prowirl 77
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prowirl 77
Vortex Flow Measuring
System
(PROFIBUS-PA)
Operating Manual
Hauser+Endress
The Power of Know How
BA 037D/06/en/03.00
No. 50090715
CV 5.0
valid as of software version
PW77 PA V1.00.XX
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Endress+Hauser prowirl 77 Specifications

General IconGeneral
Device TypeVortex flowmeter
Process Temperature-200 to +400 °C (-328 to +752 °F)
ApplicationLiquids, gases
Measured VariablesMass flow, temperature
Nominal DiameterDN 15 to DN 300
Process ConnectionFlange, threaded
Wetted MaterialsStainless steel, Hastelloy
Output Signal4-20 mA, pulse output
Power Supply24 V DC
Ingress ProtectionIP66
ApprovalsATEX, IECEx
Measurement PrincipleVortex shedding principle
Accuracy±0.75% of reading (liquids), ±1% of reading (gases and steam)

Summary

Safety Instructions

Safe Operation and Personnel Requirements

Proper usage, safety warnings, and operational safety requirements.

Mounting and Installation

Piping Installation Requirements

Inlet and outlet piping requirements for optimal flow profile and accuracy.

Flowmeter Mounting

Instructions for mounting the flowmeter, including face-to-face lengths.

Electrical Connection

Transmitter Connection Procedures

Steps for connecting the transmitter, emphasizing safety regulations.

PROFIBUS-PA Wiring Diagram

Diagram showing connection of PROFIBUS-PA devices to a network.

Communication

Device Address Configuration

Setting the device address using DIP switches or software for recognition.

Device Functions

Trouble-shooting

System Errors and Warnings

Lists system errors and warnings with causes and remedies.

Signal and Flow Troubleshooting

Troubleshooting no flow signal, vibration effects, and poor signal quality.

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