Allen-Bradley SMC-50 User manual

SMC-50 Smart Motor Controller

Bulletin150

Quick Start

Original Instructions

Important User Information

Read this document and the documents listed in the additional resources section about installation, configuration, and

operation of this equipment before you install, configure, operate, or maintain this product. Users are required to

familiarize themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws,

and standards.

Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are

required to be carried out by suitably trained personnel in accordance with applicable code of practice.

If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may

be impaired.

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.

Labels may also be on or inside the equipment to provide specific precautions.

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.

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 consequence.

IMPORTANT Identifies information that is critical for successful application and understanding of the product.

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.

ARC FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to

potential Arc Flash. Arc Flash will cause severe injury or death. Wear proper Personal Protective Equipment (PPE). Follow ALL

Regulatory requirements for safe work practices and for Personal Protective Equipment (PPE).

Rockwell Automation Publication 150-QS003E-EN-P - April 2017 1

Table of Contents

Important User Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Table of Contents

Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

About This Publication. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Additional Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Terminology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

General Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Summary of Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Chapter 1

Installation Enclosures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Mounting Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Power Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Power Lugs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Typical Power Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Control Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Standard Control Terminal Block . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Control Wiring Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Typical Control Wiring Examples . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Fan Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Integrated Bypass Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Solid-state Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Upgraded Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Option Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Bypass Operation and Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

SMC-50 Controllers with Internal Bypass . . . . . . . . . . . . . . . . . . . 19

SMC-50 Controllers with External Bypass. . . . . . . . . . . . . . . . . . . 19

Chapter 2

Programming Parameter Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Parameter Configuration Using a 20-HIM-A6. . . . . . . . . . . . . . . 23

Basic Parameter Access and Category/File Structure . . . . . . . . . . . . . 24

Parameter Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Category/File Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Quick Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Chapter 3

Operation and Troubleshooting Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Motor Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Motor Tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Resistive Load Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Troubleshooting with Diagnostic LEDs. . . . . . . . . . . . . . . . . . . . . . . . . 31

Controller LED Status Indicator. . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Troubleshooting with Monitoring Equipment. . . . . . . . . . . . . . . . . . . 31

Troubleshooting By Fault Code — Abbreviated Listing . . . . . . . . . . 31

2Rockwell Automation Publication 150-QS003E-EN-P - April 2017

Table of Contents

Appendix A

SCCR Ratings SCCR Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Rockwell Automation Publication 150-QS003E-EN-P - April 2017 3

Preface

About This Publication This quick start guide provides you with the basic information that is required

to install, start up, and program your SMC™-50 Soft Starter.

The SMC-50 soft starter is a reduced voltage soft starter that uses a state-of-

the-art microprocessor- based control module. By using six back-to-back

silicon-controlled rectifiers (SCRs) (two per phase), the SMC-50 soft starter

provides controlled acceleration, operation/run, and deceleration of standard

asynchronous induction motors. Power structures are available with an integral

bypass contactor or without (solid-state).

The information that is provided in this quick start guide does not replace the

user manual. The quick start guide assumes that the installer is a qualified

person with previous experience and basic understanding of electrical

terminology, configuration procedures, required equipment, and safety

precautions.

For safety of maintenance personnel and others who might be exposed to

electrical hazards associated with maintenance activities, follow all local

safety-related work practices (such as NFPA70E, Part II in the United States).

Maintenance personnel must be trained in the safety practices, procedures, and

requirements that pertain to their respective job assignments.

Additional Resources These documents contain additional information concerning related products

from Rockwell Automation.

You can view or download publications at

http://www.rockwellautomation.com/global/literature-library/overview.page.

To order paper copies of technical documentation, contact your local

Allen-Bradley distributor or Rockwell Automation sales representative.

Terminology Throughout this publication, we also refer to the SMC-50 soft starter as the

SMC-50 controller. These terms are interchangeable.

Resource Description

SMC-50 Controller User Manual, publication 150-UM011 Provides comprehensive user information for the SMC-50 controller.

SMC-50 Controller Selection Guide, publication 150-SG010 Provides comprehensive selection information for SMC-50 controller and accessories.

PowerFlex™ 20-HIM-A6 and 20-HIM-C6S HIM (Human Interface Module), publication

20HIM-UM001.Provides comprehensive user information for 20-HIM human interface modules.

Industrial Automation Wiring and Grounding Guidelines, publication 1770-4.1 Provides general guidelines for installing a Rockwell Automation industrial system.

Product Certifications website,

http://www.rockwellautomation.com/global/certification/overview.page Provides declarations of conformity, certificates, and other certification details.

4Rockwell Automation Publication 150-QS003E-EN-P - April 2017

Preface

General Precautions

WARNING:

• Only personnel familiar with the controller and associated machinery should plan or implement the installation, startup, and subsequent

maintenance of the system. Failure to do this may result in personal injury and/or equipment damage.

•Hazardous voltage is present in the motor circuit even when the SMC-50 controller is off. To avoid shock hazard, disconnect the main power before

working on the controller, motor, and control devices such as Start-Stop push buttons. Procedures that require parts of the equipment to be

energized during troubleshooting, testing, etc., must be performed by properly qualified personnel, using appropriate local safety work practices

and precautionary measures.

•Failure of solid-state power switching components can cause overheating due to a single-phase condition in the motor. To prevent injury or

equipment damage, the use of an isolation contactor or shunt trip-type circuit breaker on the line side of the SMC controller is recommended. This

device should be capable of interrupting the motor’s locked-rotor current.

•Hazardous voltages that can cause shock, burn, or death are present on L1, L2, L3, T1, T2, and T3. For Internal bypass units, hazardous voltages are

also present on T4, T5, and T6. Power terminal covers for units rated 90…180 A (solid state) and 108…480 A (integrated bypass) can be

installed to prevent inadvertent contact with terminals. Disconnect the main power before servicing the motor controller, motor, or associated

wiring.

ATTENTION:

•Static control precautions are required when you install, test, service, or repair the assembly. The controller contains electrostatic discharge (ESD)

sensitive parts and assemblies. Component damage may result if ESD control procedures are not followed. If you are not familiar with static

control procedures, See applicable ESD protection handbooks.

•Stopping modes, such as braking, are not intended to be used as an emergency stop. You are responsible for determining which stopping mode is

best suited to the application. See the applicable standards for emergency stop requirements.

•Pump and linear deceleration stopping modes may cause motor heating. Depending upon the mechanical dynamics of the system, select the

lowest stopping time setting that satisfactorily stops the motor.

•Slow speed running is not intended for continuous operation. This is due to reduced motor cooling.

•Two peripheral devices can be connected to the direct programming interface (DPI™) port that is located in the control module. The maximum

output current through the DPI port is 560 mA.

NOTE: A Human Interface Module (HIM) located in the control module HIM port/bezel (See Figure 9) also draws power from the DPI port.

•Disconnect the controller from the power source when installing or inspecting protective or capacitor modules. These modules should be

inspected periodically for damage or discoloration. Replace module if it is damaged or the clear sealant or components are discolored.

•Additional considerations may be required for EMC compliance. See SMC-50 Controller User Manual, publication 150-UM011.

Rockwell Automation Publication 150-QS003E-EN-P - April 2017 5

Preface

Perchlorate material – special handling may apply. See www.dtsc.ca.gov/

hazardouswaste/perchlorate.

This perchlorate warning only applies to primary Lithium Manganese Dioxide

(LiMnO2) cells or batteries, and products containing these cells or batteries,

sold or distributed in California, USA.

Summary of Changes This manual includes new information about the SMC-50 controller with

internal bypass option. It also updates and corrects information from previous

revisions.

ATTENTION:

•The controller must be correctly applied and installed. If applied or installed incorrectly, damage to the components or the reduction in product

life may occur. The system may malfunction if the following wiring or application errors occur: undersizing the motor, using an improperly sized

controller, using an incorrect or inadequate AC supply, excessive ambient temperatures, or power quality.

•You must program the Motor Overload parameter to provide proper protection. Overload configuration must be properly coordinated with the

motor.

•This product has been designed and tested as Class A equipment for electromagnetic compatibility (EMC). Use of this product in domestic

environments may cause radio interference, in which case, the installer may need to employ additional mitigation methods.

•Disconnect the controller from the motor before you measure insulation resistance (IR) of the motor windings. Voltages used for insulation

resistance testing can cause silicone-controlled rectifier (SCR) failure. Do not make any measurements on the controller with an insulation

resistance (IR) or Megger tester.

•To protect the Smart Motor Controller (SMC) and/or motor from line voltage surges, protective modules may be placed on the line, load, or both

sides of the SMC controller. Do not place protective modules on the load side of the SMC controller when using an inside-the-delta motor

connection or with pump, linear deceleration, or braking control.

•The controller can be installed on a system with power factor correction capacitors (PFCC). The PFCCs must only be on the line side of the

SMC controller. Installing PFCCs on the load side results in SCR damage and failure.

•The ground fault sensing feature of the SMC-50 controller is intended for monitoring purposes only and not as a ground fault circuit interrupter

for personnel protection as defined in Article 100 of the NEC. The ground fault sensing feature has not been evaluated to UL 1053.

•After a short circuit occurs, you must verify device functionality.

This product contains a sealed lithium battery that may need to be replaced during the life of the product.

At the end of its life, the battery that is contained in this product should be collected separately from any unsorted municipal waste.

The collection and recycling of batteries helps to protect the environment and contributes to the conservation of natural resources as valuable

materials are recovered.

ATTENTION: There is a danger of explosion if the lithium battery or real-time clock module in this product is incorrectly replaced. Do not

replace the battery or real-time clock module unless power has been removed and the area is known to be nonhazardous.

Replace the battery only with an equivalent CR2032 coin-cell battery.

Do not dispose of the lithium battery or real-time clock module in a fire or incinerator. Dispose of used batteries in accordance with local

regulations.

For safety information on the handling of lithium batteries, including handling and disposal of leaking batteries, see Guidelines for Handling

Lithium Batteries, publication AG 5-4.

6Rockwell Automation Publication 150-QS003E-EN-P - April 2017

Preface

Notes:

Rockwell Automation Publication 150-QS003E-EN-P - April 2017 7

Chapter 1

Installation

Enclosures The open-style design of the SMC-50 controller requires that you install it in

an enclosure.

Table 1 - SMC-50 Controller Enclosure Requirements

The guidelines inTable 2 result from the open design of the SMC-50

controller and the requirements of minimum clearance of 150 mm (6 in.)

above and below the controller.

Table 2 - SMC-50 Controller Minimum Enclosure Size

IMPORTANT The ambient temperature (open air) or internal enclosure temperature without

derating must be kept within the specified range. See Table 1.

Enclosure Ratings

Standard Device Rating: IP00 (NEMA Open Type)

Minimum Required Enclosure: IP23 (NEMA Type 1)

Recommended Enclosure:(1)

(1) See Table 2 for minimum enclosure size

IP54 (NEMA Type 12)

Ambient temperature range (open air) or

internal enclosure temperature range

without derating:

Internal Bypass -20…+50 °C (-4…122 °F)

Solid-state -20…+40 ºC (-4…104 °F)

Orientation and Clearance

Mounting Orientation: Vertical ONLY

Minimum Clearance: Horizontal 0 cm (0 in.)

Vertical 15 cm (6 in.)

SMC-50 Controller with Internal Bypass

Catalog Number mm (in.)(1)

(1) Actual enclosure size changes dependent on heat dissipation, duty cycle, ambient temperature, and external cooling.See the

user manual, publication 150-UM011, for more information.

Width Height Depth

150-S108… / 150-S135… 609.6 (24.0) 762.0 (30.0) 304.8 (12.0)

150-S201… / 150-S251… 762.0 (30.0) 965.2 (38.0) 355.6 (14.0)

150-S317… / 150-S361… / 150-S480… 914.4 (36.0) 1295.4 (51.0) 355.6 (14.0)

Solid-state SMC-50 Controller

Catalog Number Configuration mm (in.)(1)

Width Height Depth

150-SB… Line/Wye 609.6 (24.0) 762.0 (30.0) 304.8 (12.0)

Inside-the-Delta 762.0 (30.0) 965.2 (38.0) 355.6 (14.0)

150-SC… All 762.0 (30.0) 965.2 (38.0) 355.6 (14.0)

150-SD… All 914.4 (36.0) 1295.4 (51.0) 355.6 (14.0)

8Rockwell Automation Publication 150-QS003E-EN-P - April 2017

Chapter 1 Installation

Mounting Requirements All units are fan cooled. It is important to locate the controller in a position

that allows air to flow vertically through the power module.

See Table 2 for minimum enclosure dimensions.

When you drill or install near the soft starter, make sure that you take adequate

measures to protect the device from dust and debris, as shown in Figure 1.

Figure 1 - SMC-50 Controller Mounting Protection

IMPORTANT The controller must be mounted in a vertical plane and have a minimum of 6 in.

(150 mm) free space above and below the controller. Horizontal mounting of the

SMC-50 controller is not allowed. Enclosure must be sized such that the enclosure’s

internal temperature remains within specified controller ratings.

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