Allen-Bradley PowerFlex 40P Manuale utente

Safe-Off Option (Series B)

for PowerFlex®40P and

PowerFlex®70 AC Drives

User Manual

www.abpowerflex.com

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 available from

your local Rockwell Automation Sales Office or online at http://

www.rockwellautomation.com/literature) 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 we use notes to make you aware of safety considerations.

Attentions help you:

•identify a hazard

•avoid the hazard

•recognize the consequences

Important: Identifies information that is especially important for successful

application and understanding of the product.

DriveExplorer, DriveTools32, and SCANport are trademarks of Rockwell Automation.

PLC is a registered trademark of Rockwell Automation.

ControlNet is a trademark of ControlNet International, Ltd.

DeviceNet is a trademark of the Open DeviceNet Vendor Association.

ATTENTION: Identifies information about practices or circumstances

that can lead to personal injury or death, property damage, or economic

loss.

Shock Hazard labels may be located on or inside the drive to alert

people that dangerous voltage may be present.

Table of Contents

Summary of Changes

This is the initial release of the DriveGuard Safe-Off Option (Series B)

User Manual.

Section Page

General Description 2

What Is the DriveGuard Safe-Off Option? 2

Safety of Machinery Standards 3

EMC Instructions 3

Approved/Certified Equipment 3

Installation and Wiring 4

DriveGuard Safe-Off Option Installation 5

Wiring 9

Verify Operation 10

Description of Operation 11

PowerFlex 40P Safe-Off Operation 11

PowerFlex 70 Safe-Off Operation 12

Connection Examples 13

Supplemental Information 15

PowerFlex 40P Certification 15

PowerFlex 70 Enhanced Control Certification 16

English-2 General Description

General Description

The DriveGuard Safe-Off option, when used with other safety

components, helps provide protection according to EN 954-1:1997;

Category 3 for safe-off and protection against restart. The DriveGuard

Safe-Off option is just one component in a safety control system.

Components in the system must be chosen and applied appropriately to

achieve the desired level of operator safeguarding.

The DriveGuard Safe-Off Option Board:

•Is designed to help safely remove power from the gate firing circuits

of the drive’s output power devices (IGBT’s). This helps prevent the

drive’s output power devices from switching in the pattern necessary

to generate AC power to the motor.

•Can be used in combination with other safety devices to satisfy the

requirements of EN 954-1, Category 3 for safe-off and help protect

against restart.

Important: The option is suitable for performing mechanical work on

the drive system or affected area of a machine only. It does

not provide electrical safety.

What Is the DriveGuard Safe-Off Option?

ATTENTION: Electric Shock Hazard. Verify that all sources of AC

and DC power are deenergized and locked out or tagged out in

accordance with the requirements of ANSI/NFPA 70E, Part II.

ATTENTION: To avoid an electric shock hazard, verify that the

voltage on the bus capacitors has discharged before performing any

work on the drive. Measure the DC bus voltage at the +DC and -DC

terminals or test points (refer to your drive’s User Manual for

locations). The voltage must be zero.

ATTENTION: In safe-off mode, hazardous voltages may still be

present at the motor. To avoid an electric shock hazard, disconnect

power to the motor and verify that the voltage is zero before performing

any work on the motor.

General Description English-3

The DriveGuard Safe-Off option meets the following council directives:

•EN 60204-1 Safety of machinery – Electrical equipment of machines

– Part 1: General Requirements

•EN 954-1:1997; Category 3 - Safety-related parts of control systems

CE Conformity

Conformity with the Low Voltage (LV) Directive and Electromagnetic

Compatibility (EMC) Directive has been demonstrated using

harmonized European Norm (EN) standards published in the Official

Journal of the European Communities. PowerFlex Drives comply with

the EN standards listed below when installed according to the User and

Reference Manuals.

CE Declarations of Conformity are available online at:

http://www.ab.com/certification/ce/docs.

Low Voltage Directive (73/23/EEC)

•EN50178 Electronic equipment for use in power installations

EMC Directive (89/336/EEC)

•EN61800-3 Adjustable speed electrical power drive systems Part 3:

EMC product standard including specific test methods.

Safety of Machinery Standards

EMC Instructions

Approved/Certified Equipment

Drive Rating TUV Certified

DriveGuard

Safe-Off Option

PowerFlex 40P 240V ✔Series B or greater

480V ✔Series B or greater

PowerFlex 70

Enhanced Control

240V ✔Series A or greater

400V ✔Series A or greater

480V ✔Series A or greater

ATTENTION: Hazard of injury exists due to electric shock. Only

install a Series B or greater DriveGuard Safe-Off option in a PowerFlex

40P Drive.

English-4 Installation and Wiring

Installation and Wiring

The DriveGuard Safe-Off option is intended to be part of the safety

related control system of a machine. Before installation, a risk

assessment should be performed that compares the DriveGuard Safe-Off

option specifications and all foreseeable operational and environmental

characteristics of the machine to which it is to be fitted.

A safety analysis of the machine section controlled by the drive is

required to determine how often the safety function should be tested for

proper operation during the life of the machine.

ATTENTION: The following information is merely a guide for proper

installation. Rockwell Automation, Inc. cannot assume responsibility

for the compliance or the noncompliance to any code, national, local or

otherwise for the proper installation of this equipment. A hazard of

personal injury and/or equipment damage exists if codes are ignored

during installation.

Installation and Wiring English-5

PowerFlex 40P Drives

1. Remove all power to the drive.

2. Remove the protective plug covering the PowerFlex 40P Safe-Off

connector shown in Figure 1.

Figure 1 PowerFlex 40P Protective Plug

3. Remove the PowerFlex 40P Safe-Off connection jumper shown in

Figure 2.

Figure 2 PowerFlex 40P Safe-Off Connection Jumper Location

DriveGuard Safe-Off Option Installation

ATTENTION: To avoid an electric shock hazard, verify that the

voltage on the bus capacitors has discharged before performing any

work on the drive. Measure the DC bus voltage at the +DC and -DC

terminals or test points (refer to your drive’s User Manual for

locations). The voltage must be zero.

English-6 Installation and Wiring

4. Remove the PowerFlex 40P Hardware Enable jumper shown in

Figure 3.

Figure 3 PowerFlex 40P Hardware Enable Jumper Location

Important: The PowerFlex 40P hardware enable jumper must be

removed when using the DriveGuard Safe-Off option.

Failure to remove the jumper may cause the drive to fault.

5. Plug the DriveGuard Safe-Off option (Series B or greater) into the

PowerFlex 40P four pin safe-off connector as shown in Figure 4.

Figure 4 PowerFlex 40P Safe-Off Connector

6. Tighten screw to 0.8-1.1 N-m (7-10 lb.-in.).

0.8-1.1 N-m

(7-10 lb.-in.)

Installation and Wiring English-7

PowerFlex 70 Drives

1. Remove the PowerFlex 70 Safe-Off Connection jumper as shown in

Figure 5.

Figure 5 PowerFlex 70 Safe-Off Connection Jumper Location (Typical)

2. Remove the PowerFlex 70 Hardware Enable jumper as shown in

Figure 6.

Figure 6 PowerFlex 70 Hardware Enable Jumper Location (Typical)

Important: The PowerFlex 70 hardware enable jumper must be

removed when using the DriveGuard Safe-Off option.

Failure to remove the jumper will cause the drive to fault

when a start command is issued.

English-8 Installation and Wiring

3. Plug the DriveGuard Safe-Off option (Series A or greater) into the

PowerFlex 70 four pin connector as shown in Figure 7.

Figure 7 PowerFlex 70 Safe-Off Connector

4. Tighten screw to 0.8-1.1 N-m (7-10 lb.-in.).

0.8-1.1 N-m

(7-10 lb.-in.)

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