Oriental motor PK Series Manuale utente

Thank you for purchasing an Oriental Motor product.

This Operating Manual describes product handling procedures and safety precautions.

•Please read it thoroughly to ensure safe operation.

•Always keep the manual where it is readily available.

HM-7471

2-Phase/5-Phase Stepping Motors

PK Series

OPERATING MANUAL

1 Introduction ................................... 2

2 Safety precautions ........................ 3

3 Precautions for use........................ 5

4 Preparation..................................... 6

5 Connection ..................................... 8

6 Installation.................................... 10

7 Inspection and maintenance .... 12

8 Specications ............................... 13

9 General specications ................ 14

10 Regulations and standards........ 15

Introduction

1 Introduction

1-1 Before using the product

Only qualied personnel of electrical and mechanical engineering should work with the product.

Use the product properly after thoroughly reading the section“2 Safety precautions”on p.3. In addition, be sure

to observe the contents described in warning, caution, and note in this manual.

The product described in this manual is designed and manufactured to be incorporated in general industrial

equipment. Do not use it for any other purpose. Oriental Motor Co., Ltd. is not responsible for any compensation for

damage caused through failure to observe this warning.

Safety precautions

2 Safety precautions

The precautions described below are intended to ensure the safe and proper use of the product and to prevent the

user and other personnel from exposure to the risk of injury. Use the product only after carefully reading and fully

understanding these instructions.

Description of signs

Handling the product without observing the instructions that accompany a "WARNING"

symbol may result in serious injury or death.

Handling the product without observing the instructions that accompany a "CAUTION"

symbol may result in injury or property damage.

The items under this heading contain important handling instructions that the user

should observe to ensure safe use of the product.

Description of graphic symbols

Indicates "prohibited" actions that must not be performed.

Indicates "compulsory" actions that must be performed.

•Do not use the product in explosive or corrosive environments, in the presence of ammable gases, in

places subjected to splashing water, or near combustibles. Doing so may result in re or injury.

•Do not forcibly bend, pull, or pinch the motor lead wires or cable. Doing so may result in re.

•Do not disassemble or modify the product. Doing so may result in injury.

•Assign qualied personnel to the task of installing, wiring, operating, inspecting, and troubleshooting

the product. Handling by unqualied personnel may result in re or injury.

•When using the product in a vertical drive such as elevating equipment, be sure to take a measure to

hold the moving part in position. Failure to do so may result in injury or damage to equipment.

•Install the product in an enclosure. Failure to do so may result in injury.

•Connect the product securely according to the connection diagram. Failure to do so may result in re.

•Use a DC power supply with reinforced insulation on its primary and secondary sides for a power

supply. Failure to do so may result in electric shock.

Safety precautions

•Do not use the product beyond the specications. Doing so may result in injury or damage to

equipment.

•Keep ngers and objects out of the openings in the product. Failure to do so may result in re or injury.

•Do not touch the product during operation or immediately after stopping. The surface is hot, and this

may cause a skin burn(s).

•Do not lift the motor by holding the output shaft, motor lead wire or cable. Doing so may result in

injury.

•Keep the area around the product free of combustible materials. Failure to do so may result in re or a

skin burn(s).

•Do not leave anything around the product that would obstruct ventilation. Doing so may result in

damage to equipment.

•Do not touch the rotating part (output shaft) during operation. Doing so may result in injury.

•Provide a cover over the rotating part (output shaft) of the motor. Failure to do so may result in injury.

•Use a motor and driver only in the specied combination. An incorrect combination may cause a re.

•Provide an emergency stop device or emergency stop circuit external to the equipment so that the

entire system will operate safely in the event of a system failure or malfunction. Failure to do so may

result in injury.

•If any abnormality is observed, stop operation immediately to disconnect the power supply. Failure to

do so may result in re or injury.

•The motor surface temperature may exceed 70 °C (158 °F) even under normal

operating conditions. If the operator is allowed to approach the motor during

operation, ax a warning label on a conspicuous place as shown in the gure. The

surface is hot, and this may cause a skin burn(s). Warning label

Precautions for use

3 Precautions for use

zWhen conducting the insulation resistance measurement or the dielectric strength test, be sure to

separate the connection between the motor and the driver.

Conducting the insulation resistance measurement or the dielectric strength test with the motor and driver

connected may result in damage to the product.

zUse the motor in a condition where a radial load and an axial load are equal to or less than the

permissible values.

Continuing to operate the motor under excessive radial load or axial load may cause damage to the bearings (ball

bearings). Be sure to operate the motor within the specied values for the radial load and the axial load.

zMotor surface temperature

The surface temperature of the motor case may exceed 100 °C (212 °F) depending on operating conditions such as

ambient temperature, operating speed, operating duty, and others. To prevent the bearings (ball bearings) from

reaching the end of their useful life prematurely, use the motor in a condition where the surface temperature of the

motor case does not exceed 100 °C (212 °F).

Preparation

4 Preparation

4-1 Checking the product

Verify that the items listed below are included. Report any missing or damaged items to the Oriental Motor sales

oce from which you purchased the product.

•Motor .............................................................................. 1 unit

•Connection cable [0.6 m (2 ft.)] . ...........................1 piece*

•Instructions and Precautions for Safe Use .........1 copy

* Included with PKE24-L.

4-2 How to identify the product model

Check the model name of the motor against that shown on the nameplate. Refer to“4-3 Information about

nameplate” on p.7 for how to identify the nameplate.

2-Phase

PK2 4 3 M D 15 A

1234 5 67

1 Motor frame size

4: 42 mm (1.65 in.)

5: 50 mm (1.97 in.)

6: 56.4 mm (2.22 in.)*

9: 85 mm (3.35 in.)

2 Motor length

3 Motor type

Blank: Standard type

M: High-resolution type

J: High-torque type

4 Number of lead wires

Blank: 6 Leads

D: 4 Leads

-E or -F: 8 Leads

5A value indicating the specications of the motor windings may be entered.

Example: -01, 15, 2.0

6 Shape A: Single shaft

B: Double shaft

7 Motor identication A: Products for USA

* 60 mm (2.36 in.) for PK26J

2-Phase (High-torque/High-eciency type)

PKE2 4 3 D A

12345

1 Motor frame size 4: 42 mm (1.65 in.)

2 Motor length

3 Number of lead wires Blank: 6 Leads

D: 4 Leads

4 Shape A: Single shaft

B: Double shaft

5 Connection cable -L: With connection cable

Blank: Without connection cable

Preparation

5-Phase

PK5 6 4 H - A

123 45

1 Motor frame size

4: 42 mm (1.65 in.)

6: 60 mm (2.36 in.)

9: 85 mm (3.35 in.)

2 Motor length

3 Motor type Blank: Standard type

H: High-speed type

4 Shape A: Single shaft

B: Double shaft

5 Motor identication

4-3 Information about nameplate

The gure shows an example.

Motor model

Specications

Serial number Manufacturing date

The position describing the information may vary depending on the product.

Connection

5 Connection

5-1 Notes when the connection cable is used

(connector-coupled type only)

When inserting the connector

Hold the connector body, and insert it straight and securely. Inserting the connector while it is tilted may cause

damage to the terminals or a connection failure.

When pulling out the connector

Pull out the connector in straight while releasing the lock part of the connector. Pulling out the connector while

holding the lead wires may cause damage to the connector.

Bending radius of cable

Use the cable in a condition where the bending radius of the cable is more than four times the diameter of the lead

wire.

Do not excessively bend the motor lead wire near the connection part of the connector. Applying stress on the motor

lead wire may cause poor contact or disconnection, resulting in malfunction or heat generation.

Bend excessively

Have length allowances

More than 4 times

the lead wire diameter

Fix the motor lead wires of the connection part of the connector so that no stress is applied to the

connector or the terminals by bending the lead wires or their own weight.

Connection

5-2 Connection diagram

Connector-coupled type (PKE24)

The pin numbers of the connector and the lead wire colors of the Oriental Motor connection cable are shown in the

gures.

z6 Lead wires type

(4)Black

(

5)Yellow

(

6)Green

Red

(3)

White

(2)

Blue

(1)

z4 Lead wires type

The pins No.2 and No.5 are not used.

(4)Black

(6)Green

Red

(3)

Blue

(1)

zPin arrangement

(6)(5)(4)(3)(2)(1)

zApplicable connector and lead wire

Type Part number

Connector housing 51103-0600 (Molex, LLC)

Contact 50351-8XXX (Molex, LLC)

Designated crimp tool 63811-8100 (Molex, LLC)

Applicable lead wire

•Wire size: AWG28 to 22 (0.08 to 0.3 mm2)

•Outer diameter of wire insulation: ø1.15 to 1.8 mm (0.045 to 0.071 in.)

•Stripping length of wire insulation: 2.3 to 2.8 mm (0.091 to 0.11 in.)

Lead wire type (2-Phase)

The lead wire colors are shown in the gures.

zUnipolar

6 Lead wires type

Black

Green

Red White Blue

Yellow

zBipolar

4 Lead wires type

Black

Green

Red

Blue

z8 Lead wires type

B B

Black

Green

Red White Blue

Yellow

Brown

Orange

Lead wire type (5-Phase)

The lead wire colors are shown in the gure.

Black

Green

Red

White

Blue

Yellow

Brown

Orange

Gray

Purple

Installation

6 Installation

6-1 Installation location

The motor is designed and manufactured to be incorporated in equipment. Install it in a well-ventilated location that

provides easy access for inspection. The location must also satisfy the following conditions:

•Inside an enclosure that is installed indoors (provide vent holes)

•Operating ambient temperature: −10 to +50 °C [+14 to 122 °F] (non-freezing)

•Operating ambient humidity: 85 % or less (non-condensing)

•Area free of explosive atmosphere, toxic gas (such as sulfuric gas), or liquid

•Area not exposed to direct sun

•Area free of excessive amount of dust, iron particles or the like

•Area not subject to splashing water (rain, water droplets), oil (oil droplets) or other liquids

•Area free of excessive salt

•Area not subject to continuous vibration or excessive shocks

•Area free of excessive electromagnetic noise (from welders, power machinery, etc.)

•Area free of radioactive materials, magnetic elds, or vacuum

•Up to 1,000 m (3,300 ft.) above sea level

6-2 Installation method

Install the motor onto an appropriate at metal plate having excellent vibration resistance and heat conductivity.

When installing the motor, use all mounting holes to secure the motor with screws (not included) so that there is no

gap between the motor and the metal plate.

zInstallation method 1

Mounting holes

Metal plate

Flange pilot

zInstallation method 2

Flange pilot

Metal plate

Mounting holes

zScrew size, tightening torque, installation method

The values of the tightening torque are recommended. Tighten the screws to an appropriate torque according to the

design conditions of the metal plate to be installed.

Model Screw size Tightening torque

[N•m (oz-in)]

Eective depth of

screw thread

[mm (in.)]

Installation method

PK54, PK24, PKE24 M3 P0.5

No.4-40UNC* 1 (142) 4.5 (0.18) 1

PK56, PK25, PK26 M4

No.8-32UNC 2 (280)

− 2

PK59, PK29 M5

No.10-24UNC 3 (420)

* Products for USA

6-3 Installing a load

When installing a load on the motor, align the shaft center lines of the output shaft and the load. When installing a

coupling or pulley on the output shaft, do not damage to the output shaft or the bearing.

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