Rockwell Automation MPF-A310 Manuale utente

Installation Instructions

MP-Series Food Grade Servo Motor with

100 mm to 165 mm Frame Size

Catalog Numbers MPF-A310, MPF-A320, MPF-A330,

MPF-A430, MPF-A4530, MPF-A4540, MPF-A540,

MPF-B310, MPF-B320, MPF-B330, MPF-B430,

MPF-B4530, MPF-B4540, MPF-B540

Topic Page

Important User Information 2

Catalog Number Explanation 3

Before You Begin 4

Install the Motor 8

Verify Connector O-ring and Backshell Seal 8

Change Connector Orientation 9

Mount the Motor 12

Connector Data 15

Mounting Dimensions 17

Motor Load Force Ratings 20

Accessory Kits 22

Specifications 25

Additional Resources 26

2MP-Series Food Grade Servo Motor Installation Instructions

Publication MP-IN004D-EN-P — April 2009

Important User Information

Solid state equipment has operational characteristics differing from those of electromechanical equipment.

Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls, publication

SGI-1.1, is available from your local Rockwell Automation sales office or online at

http://literature.rockwellautomation.com) describes some important differences between solid state

equipment and hard-wired electromechanical devices. Because of this difference, and also because of the

wide variety of uses for solid state equipment, all persons responsible for applying this equipment must

satisfy themselves that each intended application of this equipment is acceptable.

In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages

resulting from the use or application of this equipment.

The examples and diagrams in this manual are included solely for illustrative purposes. Because of the many

variables and requirements associated with any particular installation, Rockwell Automation, Inc. cannot

assume responsibility or liability for actual use based on the examples and diagrams.

No patent liability is assumed by Rockwell Automation, Inc. with respect to use of information, circuits,

equipment, or software described in this manual.

Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell

Automation, Inc., is prohibited.

Throughout this manual, when necessary, we use notes to make you aware of safety considerations.

WARNING

Identifies information about practices or circumstances that can cause an explosion in

a hazardous environment, which may lead to personal injury or death, property

damage, or economic loss.

IMPORTANT

Identifies information that is critical for successful application and understanding of

the product.

ATTENTION

Identifies information about practices or circumstances that can lead to personal injury

or death, property damage, or economic loss. Attentions help you identify a hazard,

avoid a hazard and recognize the consequences.

SHOCK HAZARD

Labels may be on or inside the equipment, for example, a drive or motor, to alert

people that dangerous voltage may be present.

BURN HAZARD

Labels may be on or inside the equipment, for example, a drive or motor, to alert

people that surfaces may reach dangerous temperatures.

MP-Series Food Grade Servo Motor Installation Instructions 3

Publication MP-IN004D-EN-P — April 2009

Catalog Number Explanation

FACTORY DESIGNATED OPTIONS

A = Standard

MOUNTING FLANGE

B = IEC Metric - Oversized

BRAKE

2 = No Brake

4 = 24V DC Brake

CONNECTORS

7 = Circular DIN, Right Angle, 180° Rotatable

ENCLOSURE/SHAFT KEY/SHAFT SEAL

J = IP66/IP67 Housing/Shaft Key/Shaft Seal

FEEDBACK

M = Multi-turn High Resolution Encoder

S = Single-turn High Resolution Encoder

RATED SPEED

A = 500 rpm

B = 1000 rpm

C = 1500 rpm

D = 2000 rpm

E = 2500 rpm

F = 3000 rpm

G = 3250 rpm

H = 3500 rpm

J = 3750 rpm

K = 4000 rpm

L = 4250 rpm

M = 4500 rpm

N = 4750 rpm

P = 5000 rpm

Q = 5250 rpm

R = 5500 rpm

S = 5750 rpm

T = 6000 rpm

MAGNET STACK LENGTH (80 = 8.0 INCHES)

FRAME SIZE (IEC 72-1 FLANGE NUMBER)

3 = 100 mm

4 = 115 mm

45 = 130 mm

5 = 165 mm

VOLTAGE RATING

A = 230 V AC

B = 460 V AC

SERIES TYPE

F = Food Grade

SERIES

MP = MP-Series

MP F - B 5 40 K - M J 7 2 B A

4MP-Series Food Grade Servo Motor Installation Instructions

Publication MP-IN004D-EN-P — April 2009

About the MP-Series Food Grade Motors

MP-Series food grade (MPF) motors feature single-turn or multi-turn high resolution

encoders, and are available with 24V DC brakes. These compact brushless servo

motors combine the characteristics of the MP-Series low-inertia motors with unique

features designed for food and beverage applications.

Before You Begin

Remove all packing material, wedges, and braces from within and around the item.

After unpacking, verify the nameplate catalog number against the purchase order.

1. Remove the motor carefully from its shipping container.

2. Visually inspect the motor frame, shaft, mounting pilot, and encoder for

damage.

3. Notify the carrier of any shipping damage immediately.

Prolonging Motor Life

Thoughtful design and proper maintenance can increase the life of a servo motor.

Follow these guidelines to maximize the life of a servo motor within a food

processing environment.

• Always provide a drip loop in each cable to carry liquids away from the

connection to the motor.

• Avoid spraying liquids under high pressure directly on the junction of the

motor shaft, housing, connectors, and the enclosure joints. Fluids under high

pressure, when forced around worn seals, can contaminate the motor

bearings and significantly shorten the life of a servo motor.

• If design requirements permit, provide shields that protect the motor

housing, shaft, seals and their junctions from product contamination, caustic

agents, and high pressure fluids.

• Replace the shaft seal at or before its expected lifetime of 12 months.

Refer to Shaft Seals for more information on shaft seals.

ATTENTION

Do not attempt to open or modify this motor beyond changing the connector

orientation as described in Change Connector Orientation.

Only an authorized Allen-Bradley repair center shall service this item. Refer to

Rockwell Automation Support for assistance to locate the nearest repair center.

Failure to observe safety precautions could result in personal injury or damage to

equipment.

MP-Series Food Grade Servo Motor Installation Instructions 5

Publication MP-IN004D-EN-P — April 2009

• Inspect the motor and seals for damage or wear on a regular basis. If

damage or excessive wear is observed, replace the item.

• If desired, you may seal the motor front flange to the driven equipment by

applying a bead of food grade RTV around the periphery of the joint

between the motor and the machine surfaces. Use of a gasket or RTV on the

mating surfaces is not recommended, as this can cause misalignment of the

shaft and result in damage to the motor and/or driven equipment.

• The brake option on this servo motor is a spring-set holding brake that

releases when voltage is applied to the brake coil. A separate power source

is required to disengage the brake. This power source can be applied by a

servo motor controller or manual operator control.

If system main power fails, holding brakes can withstand occasional use as

stopping brakes. However, this creates rotational mechanical backlash that is

potentially damaging to the system, increases brake wear, and reduces brake

life.

Using Shaft Seals

A seal is installed on the motor shaft to protect the front bearing from fluids or fine

dust that could contaminate the motor bearing and reduce its lifetime. An IP66/IP67

rating for the motor requires the use of shaft seals, connectors, and cables that

provide an environmental seal equal to or exceeding the rating.

• Refer to Specifications for a brief description of the IP ratings.

• Refer to Shaft Seals to find the catalog numbers of seal kits for your motor.

• Refer to the Kinetix Motion Control Selection Guide, publication

GMC-SG001, to find environmentally sealed connectors and cables that are

compatible with MP-Series motors.

IMPORTANT

Holding brakes are not designed to stop rotation of the motor shaft, nor are they

intended to be used as a safety device. They are designed to hold a motor shaft

at 0 rpm for up to the rated brake holding torque.

The recommended method of preventing motor shaft rotation is a four step

process: first - command the servo drive to 0 rpm, second - verify the motor is at

0 rpm, third - engage the brake; and fourth - disable the drive.

Disabling the drive removes the potential for brake wear caused by a badly tuned

servo system oscillating the shaft.

6MP-Series Food Grade Servo Motor Installation Instructions

Publication MP-IN004D-EN-P — April 2009

Using Couplings and Pulleys

Mechanical connections to the motor shaft, such as couplings and pulleys, require a

torsionally rigid coupling or a reinforced timing belt. The high dynamic

performance of servo motors can cause couplings, pulleys, or belts to loosen or slip

over time. A loose or slipping connection causes system instability and can damage

the motor shaft. All connections between the system and the servo motor shaft must

be rigid to achieve an acceptable response from the system. Periodically inspect

connections to verify their rigidity.

When mounting couplings or pulleys to the motor shaft, make sure that the

connections are properly aligned and that axial and radial loads are within the

specifications of the motor. Refer to Shaft Seals for guidelines to achieve 20,000

hours of motor bearing life.

A shaft key provides a rigid mechanical connection with the potential for

self-alignment when the key is properly installed. These sections provide additional

information:

• Refer to Mounting Dimensions for information about the key and shaft

keyway.

• Refer to Shaft Key for recommendations on how to remove and install a

shaft key.

ATTENTION

Damage may occur to the motor bearings and the feedback device if sharp impact is applied

to the shaft during installation of couplings and pulleys. Damage to the feedback device

may result from applying leverage to the motor mounting face when removing devices

mounted on the motor shaft.

Do not strike the shaft, couplings, or pulleys with tools during installation or removal. Use a

wheel puller to apply pressure from the user end of the shaft to remove any device from the

motor shaft.

Failure to observe safety precautions could result in damage to the motor and its

components.

MP-Series Food Grade Servo Motor Installation Instructions 7

Publication MP-IN004D-EN-P — April 2009

Preventing Electrical Noise

ElectroMagnetic Interference (EMI), commonly called electrical noise, can reduce

motor performance. Effective techniques to counter EMI include filtering the AC

power, use of shielded cables, separating signal cables from power wiring, and

practicing good grounding techniques.

Follow these guidelines to avoid the effects of EMI:

• Isolate the power transformers or install line filters on all AC input power

lines.

• Physically separate signal cables from motor cabling and power wiring. Do

not route signal cables with motor and power wires, or over the vent

openings of servo drives.

• Ground all equipment using a single-point parallel ground system that

employs ground bus bars or large straps. If necessary, use additional

electrical noise reduction techniques to reduce EMI in noisy environments.

Refer to System Design for Control of Electrical Noise Reference Manual,

publication GMC-RM001, for additional information on reducing the effects of EMI.

8MP-Series Food Grade Servo Motor Installation Instructions

Publication MP-IN004D-EN-P — April 2009

Install the Motor

All motors include a mounting pilot for aligning the motor on the machine.

Preferred fasteners are stainless steel. The installation must comply with all local

regulations and use equipment and installation practices that promote safety and

electromagnetic compatibility.

Verify Connector O-ring and Backshell Seal

O-rings on the feedback and motor/brake connectors secure cable plugs, and a

backshell seal on the feedback connector is necessary to achieve the maximum

environmental rating. Verify the seal and O-rings are installed as described.

ATTENTION

Unmounted motors, disconnected mechanical couplings, loose shaft keys, and

disconnected cables are dangerous if power is applied.

Disassembled equipment should be appropriately identified (tagged-out) and access to

electrical power restricted (locked-out).

Before applying power to the motor, remove the shaft key and other mechanical couplings

which could be thrown from the shaft.

Failure to observe safety precautions could result in personal injury.

ATTENTION

Make sure that cables are installed and restrained to prevent uneven tension or flexing at

the cable connections.

Excessive and uneven lateral force on the cable can result in the environmental seal

opening and closing as the cable flexes.

Failure to observe safety precautions could result in damage to the motor and its

components.

Location Verify

•An O-ring is mounted on the external surface of

both the power/brake connector and the

feedback connector.

•The O-ring is undamaged, not twisted, and rests

in the groove as shown in the illustration.

•A backshell seal covers the joint between the

backshell and the connector housing.

•The backshell seal is undamaged, and it is fully

seated against the face of the backshell.

O-ring On Both

Connector

Housings

Groove Reserved For

Quick-lock Plug

Backshell Seal Inside

Feedback Connector

Housing

MP-Series Food Grade Servo Motor Installation Instructions 9

Publication MP-IN004D-EN-P — April 2009

Change Connector Orientation

You may rotate the connector housing up to 180 degrees. This lets you adjust the

connector to a position that best protects the connection from possible

environmental contaminates while providing cable access.

The circular DIN connector housing can be rotated up to 180° in either direction.

Follow these steps to rotate a DIN connector.

1. Mount and fully seat a mating cable on either the feedback or power/brake

connector.

2. Grasp the mated connector and cable plug and slowly rotate them to the

outside of the motor.

3. Repeat these steps for the other connector.

ATTENTION

Connectors are designed to be rotated into a fixed position during motor installation, and

remain in that position without further adjustment. Strictly limit the applied forces and the

number of times the connector is rotated to make sure that connectors meet the

requirements of IP66 and IP67.

Failure to observe safety precautions could result in damage to the motor and its

components.

IMPORTANT

Do not use tools, such as pliers or vise-grips, to assist you in rotating the connector.

Only apply force to the connector. Do not apply force to or pull on the cable.

ATTENTION

Apply force only to the motor connector and cable plug. Do not apply force to

the cable extending from the cable plug. No tools, for example pliers or

vise-grips, should be used to assist with the rotation of the connector.

Failure to observe safety precautions could result in damage to the motor and

its components.

10 MP-Series Food Grade Servo Motor Installation Instructions

Publication MP-IN004D-EN-P — April 2009

Build and Route the Cables

Knowledgeable cable routing and careful cable construction improves system

performance.

Build and install cables as described in these steps.

1. Keep wire lengths as short as physically possible.

2. Route noise sensitive wiring (encoder, serial, I/O) away from input power

and motor power wiring.

3. Separate cables by 0.3 m (1 ft) minimum for every 9 m (30 ft) of parallel run.

4. Ground both ends of the encoder cable shield and twist the signal wire pairs

to prevent electromagnetic interference (EMI) from other equipment.

ATTENTION

If any shield on a power cable is not grounded, high voltage can be present on

that shield.

Make sure there is a connection to ground for all shield wires inside a power

cable, and for the overall power cable shield.

Failure to observe safety precautions could result in personal injury or damage to

equipment.

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