Oriental motor MSC-1 Manuale utente

Table of contents

HP-5051-7

Speed Controller

MSC-1

OPERATING MANUAL

Thank you for purchasing an Oriental Motor product.

This 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.

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

2 Safety precautions....................4

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

4 Installation................................6

4.1 Location for installation .................6

4.2 Installation method........................6

4.3 Installing an external

potentiometer (Sold separately)....7

4.4 Installing and wiring in compliance

with EMC Directive........................7

5 Connection...............................9

5.1 Connection example .....................9

5.2 I/O signals...................................12

6 Basic operations.....................13

6.1 Run/stop......................................13

6.2 Setting the operating speed........13

6.3 Setting the acceleration time and

deceleration time.........................14

6.4 2-speed operation.......................14

6.5 Timing chart.................................15

6.6 Multi-motor control ......................15

6.7 Repeated cycle of operation/

instantaneous stop......................16

6.8 Braking current at instantaneous

stop .............................................16

7 Alarms....................................17

8 Inspection...............................18

9 Troubleshooting and remedial

actions....................................19

−2−

Introduction

1 Introduction

 Before use

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

Use the product correctly after thoroughly reading the section "2 Safety precautions." In addition, be

sure to observe the contents described in warning, caution, and note in this manual. Do not use for any

other purpose. Oriental Motor Co., Ltd. is not responsible for any damage caused through failure to

observe this warning.

 Overview of the MSC-1

The MSC-1 is a speed controller for velocity adjustment of AC speed control motors.

 Applicable motors

AC speed control motor (6 to 90 W)

Also read the OPERATING MANUAL for applicable motor.

 Standard and CE Marking

The MSC-1 is recognized by UL, and axed the CE Marking (Low Voltage Directive and EMC

Directive) under the EN Standards.

•Applicable Standards

Applicable Standards Cettication Body Standards File No. CE Marking

UL 508 UL E91291 −

EN 50178 Conform to EN standards Low Voltage Directive

EMC Directive

•Installation conditions (EN Standard)

For use as a component within another device Overvoltage category: II

Protection against electric shock: Class II Pollution degree: 2

*If your equipment requires conformance to overvoltage category III, supply the power via an insulated

transformer.

*If your equipment requires conformance to pollution degree 3, store the speed controller in an IP54-compliant

enclosure.

•Low Voltage Directives

This product is designed and manufactured to be incorporated in equipment.

•EMC Directives

Refer to "4.4 Installing and wiring in compliance with EMC Directive" on p.7.

 RoHS Directive

The products do not contain the substances exceeding the restriction values of RoHS Directive (2011/65/EU).

 Checking the product

Verify that the items listed below are included. Report any missing or damaged items to the branch or

sales oce from which you purchased the product.

• Speed controller ................................................1 unit

• CN1 connector ..................................................1 pc.

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

−3−

Introduction

 Names and functions of parts

POWER LED (Green)

Main circuit terminal (TB1)

ALARM LED (Red)

Internal potentiometer (VR1)

Acceleration time potentiometer (VR2)

Deceleration time potentiometer (VR3)

Control circuit terminal (CN1)

DIN lever

Not used (SW1-2)

Speed command voltage select switch

(SW1-1)

Name Description

POWER LED (Green) This LED lit while the AC power is input.

ALARM LED (Red) This LED will blink when an alarm generates. TheALARM output will become

OFF (H level). (P.17)

Internal potentiometer

(VR1) Sets the operating speed of the motor. (P.13)

Acceleration time

potentiometer (VR2) Sets the acceleration time for the motor. (P.14)

Deceleration time

potentiometer (VR3) Sets the deceleration time for the motor. (P.14)

Speed command voltage

select switch (SW1-1) If external DC voltage is to be used to set the operating speed, set this switch

according to the applicable external DC voltage. Select 5 V or 10 V. (P.13)

Control circuit terminal

(CN1) Connects the control DC power supply (24 V) and I/O signals. (P.9)

Main circuit terminal (TB1) Connects the AC power supply, motor, rate generator and capacitor. (P.9)

DIN lever Mounts the speed controller to a DIN rail. (P.6)

−4−

Safety precautions

2 Safety precautions

The precautions described below are intended to prevent danger or injury to the user and other

personnel through safe, correct use of the product. Use the product only after carefully reading and fully

understanding these instructions.

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.

Note

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, electric

shock or injury.

Do not transport, install the product, perform connections or inspections when the power is on.

Always turn o󰀨 the power before carrying out these operations. Accidental contact may result in

electric shock.

Do not forcibly bend, pull or pinch the cable. Doing so may cause re or electric shock.

Do not touch the main circuit terminal of the speed controller immediately after the power is turned

o󰀨 (for a period of 1 minute). The residual voltage may cause electric shock.

Do not disassemble or modify the speed controller. Doing so may result in electric shock or injury.

Only qualied and educated personnel should be allowed to perform installation, connection,

operation and inspection/troubleshooting of the product. Handling by unqualied and uneducated

personnel may result in re, electric shock or injury.

Install the motor and speed controller in the enclosure in order to prevent electric shock or injury.

Use the speed controller which power supply voltage is the same as that of the motor. Failure to do

so may result in re or damage to equipment.

The speed controller has no built-in fuse for overcurrent protection. Be sure to connect a device for

overcurrent protection (e.g. fuse) in the power input line. Failure to do so may result in re.

Connect the cables securely according to the wiring diagram in order to prevent re or electric

shock.

Be sure to observe the specied cable sizes. Use of unspecied cable sizes may result in re.

Turn o󰀨 the speed controller power in the event of a power failure. Or the motor may suddenly start

when the power is restored and may cause injury or damage to equipment.

−5−

Precautions for use

Do not use the speed controller beyond its specications. Doing so may result in electric shock,

injury or damage to equipment.

Do not use the product in vertical drive (elevating application). Doing so may result in injury or

damage to equipment.

Keep the area around the speed controller free of combustible materials. Failure to do so may

result in re or a skin burn(s).

Do not wire the electromagnetic contactor or power relay between the motor and speed controller.

To switch the rotation direction using the electromagnetic contactor may cause damage to

equipment.

Do not conduct insulation resistance measurement or dielectric strength test on the speed

controller. Failure not to do so may result in injury or damage to equipment.

If an alarm of the speed controller is generated, remove the cause before resetting the alarm.

Failure to do so may result in injury or damage to equipment.

Use this speed controller in combination with an Oriental Motor's speed control motor equipped

with an overheat protection device. Failure to do so may result in re.

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

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

may result in injury.

If abnormal conditions occurred, stop the operation immediately and turn o󰀨 the speed controller

power. Failure to do so may result in re, electric shock or injury.

Dispose the product correctly in accordance with laws and regulations, or instructions of local

governments.

3 Precautions for use

WARNING FOR USE ON SPEED CONTROLLER (UL-certied)

• Maximum surrounding air temperature 50 °C (122 °F).

• DC voltage source shall be of Class 2 type.

• Install device in pollution degree 2 environment.

• Always use this speed controller in combination with a compatible motor by Oriental Motor. The

compatible motors listed in this manual are recognized by UL and provide an overheat protection

function based on thermal protection or impedance protection.

• Connect the cables securely according to the wiring diagram.

−6−

Installation

4 Installation

This chapter explains the installation location, installation methods and measures against noise of the

speed controller.

4.1 Location for installation

The speed controller is designed and manufactured to be installed within another device. 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

• Operating ambient temperature 0 to +50 °C

[+32 to 122 °F] (non-freezing)

• Operating ambient humidity 85% or less

(non-condensing)

• Area that is free of explosive atmosphere or

toxic gas (such as sulfuric gas) or liquid

• Area not stored combustible materials

• 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

• Altitude Up to 1000 m (3300 ft.) above sea level

Note If the ambient temperature of the speed controller exceeds the upper limit of the operating

ambient temperature, revise the ventilation condition or forcibly cool the area around the

speed controller using a fan in order to keep within the operating ambient temperature.

4.2 Installation method

Use a DIN rail 35 mm (1.38 in.) wide to mount the speed controller.

The speed controller is designed so that heat is dissipated via air convection. Provide spaces so that the

speed controller can be ventilated well through its top and bottom vent holes.

Push down the speed controller's DIN lever until it locks. Hang the hook at the rear to the DIN rail, and

push in the speed controller. After installation, x the both sides of the speed controller with the end

plate.

Hook

DIN rail

DIN lever

End plate

Removing from DIN rail

Pull the DIN lever down until it locks using a at tip screwdriver, and lift the

bottom of the speed controller to remove it from the rail.

Use force of about 10 to 20 N (2.2 to 4.5 lb.) to pull the DIN lever to lock it.

Excessive force may damage the DIN lever.

−7−

Installation

4.3 Installing an external potentiometer (Sold separately)

Install an accessory external potentiometer (sold separately) as shown below.

Nut

Tightening torque:

0.45 N·m (3.9 lb-in)

Setscrew (M4)

Tightening torque:

0.4 N·m (3.5 lb-in)

•Reference mounting hole

dimensions [Unit: mm (in.)]

Ø3 (0.12)

7.5±0.4 (0.3±0.02)

Ø10 (0.39)

Dial

Toothed washer

Dial plate

Mounting plate

Insulation sheet

Variable resistor

Soldering the variable resister terminals and the lead wires

Cover a heat-shrinkable tube over the soldered part to insulate.

235 °C (455 °F), less than 5 sec.

Lead wire

Terminal Heat-shrinkable tube

Dial

riable resistor

Solder (Pass the lead wire

through the terminal hole and

give it two or three turns.)

4.4 Installing and wiring in compliance with EMC Directive

 EMC Directives

The speed controller is designed and manufactured as a component to be installed within another device.

The EMC Directives require that your mechanical equipment in which the speed controller is installed

satisfy the applicable requirements. The installation/wiring methods of the speed controller explained

here represent the basic methods that are eective in helping your mechanical equipment conform to the

EMC Directives. The nal level of conformance of your mechanical equipment to the EMC Directives

will vary depending on the control system equipment used with the speed controller, conguration of

electrical parts, wiring, layout, hazard level, and the like. Therefore, you must conduct the EMC tests on

your mechanical equipment to conrm compliance.

 Applicable Standards

EMI EN 55011 Group 1 Class A

EN 61000-6-4

EMS EN 61000-6-2

Caution: This equipment is not intended for use in residential environments nor for use on a low-voltage

public network supplied in residential premises, and it may not provide adequate protection to

radio reception interference in such environments.

Eective measures must be taken against the EMI that the speed controller may give to adjacent

control-system equipment, as well as the EMS of the speed controller itself, in order to prevent a serious

functional impediment in the machinery. The use of the following installation and wiring methods will

enable the speed controller to be compliant with the EMC Directive.

−8−

Installation

 Connecting mains lter for power supply line

• Connect a mains lter in the AC power supply input to prevent the noise generated in the speed

controller from propagating externally through the power supply line. For a mains lter, use MC1210

(TDK-Lambda Corporation) or equivalent product.

• Install the mains lter as close to the speed controller as possible. Use cable clamps and other means

to secure the input cables and output cables rmly to the surface of the enclosure. Connect the ground

terminal of the mains lter to the grounding point, using as thick and short a wire as possible.

• Do not place the input cable parallel with the output cable. Parallel placement will reduce mains lter

eectiveness if the enclosure's internal noise is directly coupled to the power supply cable by means of

stray capacitance.

 Connecting motor cable

When the motor cable is extended, use a cable of AWG18 (0.75 mm2) or more with a length of 10 m

(32.8 ft.) or less. When extending the rate generator lead wires, use a shielded cable.

 Ferrite core

Install a ferrite core in the power line and motor cable line to eliminate external electrical noise.

Use a ferrite core of 7427122 (Würth Elektronik GmbH & Co. KG), ZCAT3035-1330 (TDK

Corporation) or equivalent.

Install the ferrite core as close to the speed controller as possible.

 Wiring the control cable

Use a braided shielded cable of AWG24 (0.2 mm2) or more

for control cable, and keep the wiring distance as short as

possible [less than 2 m (6.6 ft.)].

Recommended strip length for braided

shielded cable

4 mm (0.16 in.) or more

Wire

Insulation Braided shield

Sheath

To ground a shielded cable, use a metal that will maintain

contact with the entire circumference of the cable. Attach a

cable clamp as close to the end of the cable as possible, and

connect it as shown in the gure.

Cable clamp

Shielded cable

 Notes about installation and wiring

• Connect the motor, speed controller and other peripheral control equipment directly to the grounding

point so as to prevent a potential dierence from developing between grounds.

• When relays or electromagnetic switches are used together with the system, use mains lters and CR

circuits to suppress surges generated by them.

• Keep cables as short as possible without coiling and bundling extra lengths.

• Wire the power cables away from the control cables by providing a minimum clearance of 100 mm (3.94

in.) between them. If they have to cross, cross them at a right angle. Place the input cable and output

cable of a mains lter separately from each other.

−9−

Connection

 Example of motor and speed controller installation and wiring

Motor

Speed controller

Motor cable

[10 m (32.8 ft.)]

Power supply

cable

Cable

clamp

Cable

clamp

Mains

filter

Capacitor

Grounded plate

Control cable

[2 m (6.6 ft.)]

Ferrite

core

Ferrite

core

5 Connection

This chapter explains how to connect the speed controller and power supply, motor and I/O signals.

5.1 Connection example

The following gure is an example when connecting the motor of World K Series, and the motor is

operated with relays, switches and other contact switches. To operate the motor, be sure to connect

control DC power supply.

A 60 W type motor or larger is equipped with a built-in cooling fan. Connect two lead wires (orange

color) of the cooling fan to the AC power supply connection terminals (pin no. 8 and 9 of the TB1).

3 COM

2 0 V

1 +24 V

TB1

CN1

Motor

Blue 1

Blue 2

White 3

Red 4

Black 5

L (Live) 8

N (Neutral) 9

Speed controller

Power

supply

Control DC power supply

Capacitor 4 FWD input

5 REV input

6 INT/EXT input

7 ALARM-RESET input

11 SPEED-OUT output

12 ALARM-OUT output

24 VDC±10%

100 mA or more

−10−

Connection

 Connecting the main circuit terminal (TB1)

• Applicable cable size: AWG18 (0.75 mm2) or more*

*AWG20 to 14 (0.5 to 2.0 mm2) for capacitor connection

• Terminal block screw size: M3

• Tightening torque: 0.8 N·m (7.0 lb-in)

Applicable crimp terminal

6.2 (0.24)

or less

Ø3.2 (Ø0.13) or more

Unit [mm (in.)]

•TB1 pin assignments

Pin No. Terminal name Pin No. Terminal name

1Rate generator connection terminals 6Capacitor connection terminals

2 7

3Motor connection terminals 8AC power supply connection terminals

4 9

 Connecting the control circuit terminal (CN1)

• Applicable cable size: AWG24 to 16 (0.2 to 1.25 mm2)

• Lead wire strip length eled: 7 mm (0.28 in.)

• Terminal block screw size: M2

• Tightening torque: 0.33 N·m (2.9 lb-in)

• The length of the cable should be less than 2 m (6.6 ft.) and wire the cable away from the power lines.

• Use a shielded cable or twisted pair shielded cable when setting the rotation speed externally.

•CN1 pin assignments

Pin No. Signal type Signal name Description

1Control power

supply +24 V Connect the 24 VDC for control circuit.

2 0 V (GND)

3 Common COM (GND) I/O signals common

Input

FWD The motor turns in the clockwise direction.

5 REV The motor turns in the counterclockwise direction.

6 INT/EXT Select the internal potentiometer or external potentiometer

(external DC voltage).

7 ALARM-RESET Alarms are reset.

8 VH Connect when setting the speed externally.9 VM

10 VL (GND)

11 Output SPEED-OUT 12 pulses are output with each revolution of the motor

output shaft.

12 ALARM-OUT This signal is output when an alarm generates

(normally closed).

 Connecting the fuse

Be sure to connect a fuse or similar device in the power line to protect against overcurrent.

Fuse rating Single-phase 100/110/115 V 216 Series (Littelfuse,Inc.) 10 Aor equivalent

Single-phase 200/220/230 V 216 Series (Littelfuse,Inc.) 6.3 Aor equivalent

Note Use the speed controller which power supply voltage is the same as that of the motor.

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