AGI CMC MRS Series Technical Manual

Rotation sensor

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MRS Series

MRS001-EK Rotation Sensor

Technical Manual

Read this manual before using product. Failure to

follow instructions and safety precautions can

result in serious injury, death, or property

damage. Keep manual for future reference.

Part Number: 10678 Rev. G

Revised: November 2023

Original Instructions

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Page 1 MRS Series MRS001-EK Rotation Sensor Technical Manual Read this manual before using product. Failure to Part Number: 10678 Rev. G follow instructions and safety precautions can Revised: November 2023 result in serious injury, death, or property Original Instructions damage. Keep manual for future reference.
Page 2 • Rewrite for enclosure assembled at factory instead of fabricated bracket installation. • Updated specifications to reflect higher current draw and housing dimensions. • Revised drawing 11031 changing name to Assembly/Installation. • Updated to new AGI manual format. Manual updated to standard AGI format. September 2023...
Page 3: Table Of Contents
MRS SERIES – CONTENTS 1. Introduction ............................4 2. Safety............................... 5 2.1 Safety Alert Symbol and Signal Words..................5 2.2 General Safety Information....................... 5 2.3 HAZMON Safety......................... 5 2.4 Drives and Lockout/Tagout Safety .................... 6 2.5 Safety Equipment and Procedures.................... 6 2.6 Personal Protective Equipment....................
Page 4: Introduction
1. INTRODUCTION MRS SERIES – 1. Introduction The MRS001-EK Rotation Sensor is designed to determine the shaft speed of rotating equipment. Measurements from 1 to 1000 RPM are possible. Internally, the device uses a magnetic code wheel that attaches to the shaft with threaded coupling. FOLLOW ALL SAFETY PROTOCOLS. Before working on equipment, use Lockout/Tagout procedure to shutdown Hazardous Energy sources including but not limited to powered circuits, moving Always operate machines with guards in place to avoid the risk of injury or loss of life.
Page 5: Safety
MRS SERIES – 2. SAFETY 2. Safety 2.1. Safety Alert Symbol and Signal Words This safety alert symbol indicates important safety messages in this manual. When you see this symbol, be alert to the possibility of injury or death, carefully read the message that follows, and inform others.
Page 6: Drives And Lockout/Tagout Safety
2. SAFETY MRS SERIES – • Always operate system without bypassing alarm controls. Otherwise, follow safety protocols to verify there are no actual hazards including but not limited to heat sources, blockages, lack of guarding, etc. • Validate sensor positions before first operating, after regular system maintenance, immediately after installing replacement parts, and before operating machines.
Page 7: Personal Protective Equipment
MRS SERIES – 2. SAFETY • Confined Space Use personal carbon monoxide detector when entering Boot Pit and follow safety protocols for determining whether safe to enter enclosed spaces using necessary equipment. 2.6. Personal Protective Equipment The following Personal Protective Equipment (PPE) should be worn when assembling, operating or maintaining the equipment.
Page 8: Indicators
3. INDICATORS MRS SERIES – 3. Indicators The following indicator description is used for troubleshooting sensors outside of the enclosure, and is not meant to be for field diagnostics. Use the EZTest handheld Diagnostic Troubleshooter to test communication and read RPM (Revolutions Per Minute). Figure 2.
Page 9: Installation
MRS SERIES – 4. INSTALLATION 4. Installation The rotation sensor comes assembled in MRS001-EK enclosure kits. The housing is free-standing as it is mounted to the drive shaft of the machine at single attachment point. No brackets are required. The optional magnet used to attach the Rotation Sensor to the machine shaft has an extremely strong attractive force and will move suddenly and rapidly towards any ferrous or magnetic material which may cause injury.
Page 10 4. INSTALLATION MRS SERIES – Figure 3. Typical Mounting 10678 REV. G...
Page 11: Mounting Using A Fabricated Bracket - Deprecated
MRS SERIES – 4. INSTALLATION 4.2. Mounting Using a Fabricated Bracket — Deprecated Safety guards are required to protect from personal injury due to pinch point or the disengagement of components. The mounting bracket for sensor must be rigid and able to withstand loads from unexpected sources.
Page 12 4. INSTALLATION MRS SERIES – Figure 4. Legacy Fabricated Bracket Installation 10678 REV. G...
Page 13: Communications
MRS SERIES – 5. COMMUNICATIONS 5. Communications The MRS001–EK Rotation Sensor uses a single-wire communication protocol. The sensor is supplied with 6’6” (2 m) cable terminated with a RJ-11 plug. The sensor connects to the wiring system through an IS barrier powered Field Interconnect Box. The output of the sensor is a single signed 16 bit word.
Page 14: Assembly
6. ASSEMBLY MRS SERIES – 6. Assembly Over tightening the shaft screw will permanently damage the plastic code wheel. Use a torque wrench to tighten the screw to the required torque and be certain to use removable thread locking compound on the screw threads. Failure to observe these requirements may result in the speed sensor separating from the machine.
Page 15 MRS SERIES – 6. ASSEMBLY 5. Carefully push the housing on the drive shaft. Be careful not to damage the rubber seal in the housing. 6. Rock the housing back and forth to ensure the seal is free and not pinched by the shaft as you are pressing the shaft into the seal and bearing.
Page 16: Assembly Drawings
6. ASSEMBLY MRS SERIES – 6.1. Assembly Drawings Figure 5. Drawing 11031: Assembly for Counter Clockwise Rotating Output Shaft 10678 REV. G...
Page 17 MRS SERIES – 6. ASSEMBLY Figure 6. Drawing 11031: Assembly for Clockwise Rotating Output Shaft 10678 REV. G...
Page 18 6. ASSEMBLY MRS SERIES – Figure 7. MRS001–EK Parts List 10678 REV. G...
Page 19: Specifications
MRS SERIES – 7. SPECIFICATIONS 7. Specifications Description Characteristic Sensor Bus 5 VDC Voltage 8 mA max Current Single-wire Bus Communications Position 1–1000 RPM Resolution 1.0% full scale Accuracy 6 divisions/revolutions Quadrature Magnetic Encoder Environment -40 to 70° C (-40 to 158° F) Temperature 0 to 95% non-condensing Relative Humidity...
Page 20: Form Of Limited Warranty
Goods shall be limited to 90 days. Subject to AGI’s sole discretion, if the Goods, or a component thereof, are found to have a default in materials and/or workmanship within the Warranty Term, AGI will, at its own option and expense, repair or replace the subject Goods.
Page 21 WARRANTY AGI’S LIABILITY TO BUYER AND/OR ITS CUSTOMERS EXCEED THE PURCHASE PRICE OF THE GOODS. BUYER AGREED THAT IN NO EVENT SHALL AGI’S LIABILITY TO BUYER AND/OR ITS CUSTOMERS EXTEND TO INCLUDE INCIDENTAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES. THE TERM “CONSEQUENTIAL DAMAGES”...
Page 22 CMC is an AGI Brand. AGI is a leading provider of equipment solutions for agriculture bulk commodities including seed, fertilizer, grain, and feed systems with a growing platform in providing equipment and solutions for food processing facilities. AGI has manufacturing facilities in Canada, the United States, the United Kingdom, Brazil, South Africa, India and Italy and distributes its products globally.

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