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Siemens 7MH7144 User Manual

Siemens 7MH7144
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Milltronics
Motion Sensors
Milltronics MFA 4p
Operating Instructions
7MH7144 (MFA 4p)
12/2020
A5E33988839
-AC
Introduction
1
Milltronics MFA 4p
Overview
2
Installing/mounting
3
Connecting
4
Service and maintenance
5
Troubleshooting
6
Technical data
7
Dimension drawings
8
Technical Reference
A
Applications
B
Product documentation and
support
C

Questions and Answers:

Siemens 7MH7144 Specifications

General IconGeneral
BrandSiemens
Model7MH7144
CategoryAccessories
LanguageEnglish

Summary

Introduction

Transportation and Storage

Guidance on proper handling and storage of the product to maintain functionality and safety.

Unit Repair and Excluded Liability

Details user responsibilities for repairs and limitations of liability for product modifications.

Milltronics MFA 4p Overview

Installing/mounting

Location Requirements

Specifies where to mount the MFA 4p unit, considering environmental and magnetic field factors.

Proper Mounting

Details correct mounting procedures to ensure probe alignment and prevent damage.

Mounting Details

Provides dimensional drawings and specifications for mounting various probe types.

Wiring

Instructions on how to interconnect probe components using flexible conduit.

Connecting

MFA 4p Circuit Board Layout

Diagram showing the arrangement of components and terminals on the MFA 4p circuit board.

MSP-3 or MSP-9 Probe with RMA

Wiring instructions for connecting MSP-3 or MSP-9 probes with a remote mounted amplifier.

MSP-12 Probe with IMA

Wiring details for connecting MSP-12 probes with an internally mounted pre-amplifier.

XPP-5 with IMA

Wiring instructions for connecting XPP-5 probes with an internally mounted pre-amplifier.

Cable length from RMA or IMA to MFA 4p

Table detailing maximum cable lengths based on wire gauge for RMA or IMA connections.

Interconnection Diagram for XPP-5

Illustrates the wiring diagram for connecting XPP-5 probes in various locations.

Connection to Power

Provides guidelines and diagrams for safely connecting the MFA 4p to a power source.

MFA 4p Wiring for Automatic Start Delay

Schematic showing how to wire the MFA 4p for automatic start delay functionality.

Service and maintenance

Calibration

Procedure for calibrating the MFA 4p unit, including underspeed and overspeed settings.

Signal Generator Interface

Details the use of a signal generator for calibrating or troubleshooting the MFA 4p.

Cleaning

Instructions for cleaning the enclosure and circuit boards of the MFA 4p.

Maintenance

Information on the maintenance requirements for the MFA 4p, recommending periodic checks.

Troubleshooting

Troubleshooting

Table of common issues, LED indicators, terminal readings, and relay states for diagnosing problems.

Notes

Important notes regarding voltage levels, potential component defects, and testing procedures.

Technical data

Power

Specifies the electrical power requirements, including voltage, frequency, and fuse rating.

Performance

Details performance characteristics like repeatability, temperature coefficient, and setpoint ranges.

Outputs

Describes the output relay specifications, including contact type and rating.

Construction

Provides information on the physical construction, including weight and enclosure types.

Approvals

Lists the safety and regulatory approvals obtained for the MFA 4p unit.

Operating Conditions

Specifies environmental conditions such as altitude, temperature, and humidity for operation.

Dimension drawings

MFA 4p Enclosure Drawings

Dimensional drawings for the MFA 4p enclosure, including polycarbonate and steel types.

High Temperature Probe MSP-3

Dimensional drawing and component details for the MSP-3 high temperature probe.

Stainless Steel Probe MSP-9

Dimensional drawing and specifications for the MSP-9 stainless steel probe.

Standard Probe MSP-12

Dimensional drawing and component details for the MSP-12 standard probe.

Hazardous Locations Probe XPP-5

Dimensional drawing and CSA approval information for the XPP-5 hazardous location probe.

Technical Reference

Principles of Operation

Explains the fundamental working principles of the MFA 4p unit and its probes.

Applications

Bucket Elevators

Guidance on probe placement and gap settings for bucket elevator installations.

Bucket Elevator Specifics

Diagram illustrating probe mounting within a bucket elevator system.

Shafts Monitoring

Methods for detecting motion on rotating shafts using probes, including keyway and paddle options.

Rotary Feeder Applications

Illustrates probe placement for monitoring rotating shafts and drive sprockets of rotary feeders.

Belt Conveyors

Information on probe placement and gap requirements for belt conveyor applications.

Screw Conveyors

Details on probe placement and optional ferrous mass addition for screw conveyor monitoring.

Screw Conveyor Flights & Bearings

Illustrations of probe placement relative to screw conveyor flights and end bearings.

Non-ferrous Window

Guidelines for using a non-ferrous window in screw conveyors, including dimensions and temperature limits.

Product documentation and support

Product Documentation Access

Information on accessing product manuals, certificates, downloads, and catalogs online.

Technical Support Channels

Information on obtaining technical assistance through online requests and support channels.

Service & Support on the Internet

Overview of Siemens online services for product support and information.

Contact Information

Details for contacting Siemens representatives for further questions and support.

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