Assun AM-CL2845MAN Series Manual de usuario

Assun Motor

Product Manual

For Metal Brush DC Motor

AM-CL2845MAN Series

2nd edition. 28 Aug 2023

Assun Motor Pte Ltd

Shenzhen Zhengyuan Motor Co., Ltd

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Contents

Assun Motor ............................................................................................................................................................ 1

Product Manual ...................................................................................................................................................... 1

1. About the Manual....................................................................................................................................... 3

1.1 Validity of This Document ......................................................................................................... 3

1.2 Using This Document .................................................................................................................. 3

1.3 Definition of Terms ...................................................................................................................... 3

1.4 Definition of Symbols .................................................................................................................. 4

2. Product Safety .............................................................................................................................................. 5

2.1 Intended Product Usage ............................................................................................................ 5

2.2 Product Usage Safety .................................................................................................................. 6

2.3 Product Disposal/Recycling ...................................................................................................... 7

3. Product Series Information ...................................................................................................................... 8

3.1 Product Series Structure Introduction ................................................................................... 8

3.2 Product Model Information ...................................................................................................... 9

4. Product Function and Usage ............................................................................................................... 10

4.1 Motor Installation and Power Connection ........................................................................ 10

4.2 Motor Functions......................................................................................................................... 11

5. Maintenance .............................................................................................................................................. 12

Contact ................................................................................................................................................................. 13

Singapore ................................................................................................................................................... 13

China…………………………………………………………………………………………………………………………………13

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1. About the Manual

1.1 Validity of This Document

The manual is for the AM-CL2845MAN series product manufactured by Assun Motor which is a

direct current Metal brush motor. The manual contains detailed descriptions of the safety and

functional usage of this motor product series. It helps the user install and connect the motor and

also guides the user in relevant control function usage.

All data in this manual are based on the actual manufacturing and standard testing of the AM-

CL2845MAN series product. The standard testing condition is when the motor is installed

horizontally and subjected to an environment temperature of 25℃.

For relevant parameter summaries of the product series, please go to the required product on

our website and download the “Product Sheet”. For customized parameters or dimension, please

contact our sales personnel.

1.2 Using This Document

Please read this document carefully before installing and setting up the product and pay attention

to the second chapter under “Product Safety”, and strictly follow the warnings and instructions.

Please retain this document throughout the entire working life of the product, and keep the

document accessible to the operating and, if necessary, maintenance personnel at all times.

1.3 Definition of Terms

Term Meaning

PWM Pulse Width Modulation

CW/CCW Clockwise/Counter Clockwise

FG Pulse Frequency Generator Pulse

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VIL/VIH Voltage Input Low / Voltage Input High

Pin Control Function Connect Pin

Cable Power Connection Cable

GND Ground / Negative Pole

Vcc Direct Current Voltage

RPM Revolution per Minute

1.4 Definition of Symbols

Caution! Hazard to persons. Disregarding may lead to injury.

Warning! Improper operation will damage the product

. Caution! Hazardous due to hot surface.

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2. Product Safety

2.1 Intended Product Usage

The Assun Motor AM-CL2845MAN series DC brushed coreless motor product, which we are

describing here in this manual, is used for rotating under a DC supply. It is suitable for different

types of DC driving systems, such as automation system actuators and many other precision

driving systems. There are no internal electronics in the motor. Metal brushes and commutators

work together to achieve current direction change and keep the rotor rotating. Functions such as

PWM speed control, CW/CCW direction change, RPM output signal, and Brake and Servo Control

(Torque, Speed & Position) can be achieved after connection with a suitable controller and/or

encoder.

The product must be properly installed when in use and shall be operated in an environment with

good heat dissipation conditions. In normal installation conditions, when the operational

parameters have not exceeded the maximum continuous values, the winding temperature must

be maintained below 85℃. The product can be used alone or coupled to a gearbox to achieve

the required output torque and RPM.

The product is not suitable for operation in environments with high humidity or excessive dust.

During the operation, please adhere to the parameter limits as shown in the Product Sheet by

adjusting the power supply and running state, to achieve the optimum operational output and

longer product life.

For usage of the product in a special environment, please contact our local sales or service staff

for consultation and get relevant advice or customized service.

This product is NOT SUITABLE for applications where the failure of the product could result in the

death of an individual or group of individuals.

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2.2 Product Usage Safety

The product is a high-speed rotating device. Please make sure the product is properly mounted

before operation to prevent potential hazards to people or equipment. Please refer to Chapter

4.1 of this manual for further installation guidance.

The motor surface temperature could be high after long-term operation. Please exercise caution

when touching or handling the product.

The power supply must be filtered DC. The input voltage must be within the rated value for normal

operation. The current cannot be over the rated value continuously to avoid overheating and

damaging the motor components.

Please install the motor in an environment with a good heat sink and/or ventilation. Inadequate

heat dissipation will lead to the motor winding temperature exceeding the limit of 85℃ and will

cause thermal damage to the internal electronic parts and winding, resulting in motor malfunction

and/or failure.

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Please use the motor according to the parameter limits in the spec, otherwise, it may cause the

motor to exceed current limits or overheat, which could lead to irreversible damage to the

motor.

The motor is not suitable for operating in highly humid and dusty environments. High humidity

or excessive dust concentration could lower the motor's performance and shorten the motor’s

lifespan.

The product is a precision Brushed DC motor with high-accuracy assembly requirements.

Please do not disassemble the product on your own.

2.3 Product Disposal/Recycling

This series of motor products are manufactured with different types of metals, alloy materials,

chemical adhesives, and lubricants. Please dispose it properly as recyclable material. For a detailed

product material listing please refer to Chapter 3.1.

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3. Product Series Information

3.1 Product Series Structure Introduction

AM-CL2845MAN series products are a series of precision DC brushed motors with coreless and

self-supporting rotors. The casing diameter is φ28mm, length is 45mm, and rated power is 4.9W

– 17.8W, with a net weight of approximately 136g. For detailed series information and parameters

please refer to the “Product sheet” on our website.

The series product is an inner rotor brushed DC motor, relying on the brushed and commutators

to change winding current directions and thus attract the permanent magnetic rotors to rotate in

synchronization. The product's basic structure is depicted in illustration 1.

Illustration 1. Exploded Product View

This series of products is manufactured using different types of metal, alloy material, and chemical

products. Specific material usage is shown in Table 1.

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Table 1. Product Material Matrix

Part End Cover

Winding Bearing Magnet Shaft Housing

Material

Stainless

Steel Copper Stainless

Steel NdFeB Stainless

Steel Aluminium Alloy

Part Brush Commutator

Adhesive Grease Cushion Others

Material

Precious

Metal Copper Epoxy

Resin

Fluorine

Grease

Stainless

Steel

Other Metal and

Plastic

3.2 Product Model Information

To make it convenient for the customer to choose a specific part number or model and

understand the part number methodology, please refer to Illustration 2 below for the explanation

of the model number composition principle.

Illustration 2. Part Number Nomenclature

Customers can choose suitable products based on their types and characteristics shown in the

part naming methodology. If products with special characteristics are required, please contact

our regional salesperson for customized service.

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4. Product Function and Usage

The series of products have two power-connecting metal plates at the rear end, connecting to

the DC power supply positive and negative. Customers could choose to have a rear shaft or not

to have a rear shaft. Rear shaft is needed when the motor is working with the encoder. When an

encoder is not needed, the motor usually does not have a rear shaft.

The motor is using ball bearings thus there will be a boss in both the front and back cover. When

connecting to a gearbox or encoder, the customer should consider the boss dimension to comply.

There are threaded holes on the front/back cover for connection to the gearbox/encoder.

Note: The motor power supply should be connected according to the guidance for the motor to

rotate in a Clockwise direction. CW/CCW direction is defined when looking from the front end of

the motor. When the power supply is reversed, the motor will rotate in Counter Clockwise

direction.

Typically we propose to operate the motor in CW direction.

4.1 Motor Installation and Power Connection

The motor must be properly and securely mounted, typically utilizing the threaded holes in the

front cover to fix the motor. It will be proposed to install the motor to metal parts, or installed in

well-ventilated environments for better heat dissipation.

There are two copper plates at the end of the motor and perpendicular to the end cover in default

condition, but when installed with an encoder or used in other space-limiting conditions the

plates will go sideways. The power cable shall be connected to the copper plates according to

the marking on the end cover so that the motor will rotate in the CW direction. If the power

supply is reversed, the motor will rotate in the CCW direction. After the motor is installed, double-

check the rotating direction. Wrong rotating direction using the wrong cable connection may

damage the relevant equipment.

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