Rockwell Automation 2727-G7P20D3Q7 User Manual

MobileView Guard G750 Terminal

2727-G7P20D1P4 2727-G7P20D1P5 2727-G7P20D1Q6 2727-G7P20D3Q7

User Manual

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.ab.com/manuals/gi) 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.

WARNING

ATTENTION

IMPORTANT

SHOCK HAZARD

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.

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

• recognize the consequence

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

Labels may be located on or inside the drive to alert people that dangerous voltage may be present.

Preface

Overview

Safety Precautions and Elements

Contents of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-1

Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-2

Intended Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-2

Intended Uses. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . P-2

European Communities (EC) Directive Compliance . . . . . . P-2

Chapter 1

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

MobileView Guard Sample System Configuration . . . . . . . . 1-2

Hardware Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Membrane Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Touch Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

MobileView Guard Configurations . . . . . . . . . . . . . . . . . . . 1-6

MobileView Guard Accessories . . . . . . . . . . . . . . . . . . . . . 1-7

Chapter 2

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

General Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Enabling Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Enabling Switch Operation. . . . . . . . . . . . . . . . . . . . . . 2-5

Connection Example with a Safety Control Relay. . . . . . 2-6

Switching Element Data . . . . . . . . . . . . . . . . . . . . . . . . 2-7

Foreseeable Misuse of the Enabling Switch . . . . . . . . . . 2-8

Emergency Stop Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8

Handling of the MobileView Terminal . . . . . . . . . . . . . . . . 2-9

Chapter 3

Terminal Connections

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Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Mounting and Connecting the Junction Box . . . . . . . . . . . . 3-2

DIN Rail Mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Connecting the MobileView to the Junction Box . . . . . . 3-4

Junction Box Pinout and Wiring . . . . . . . . . . . . . . . . . . 3-5

MobileView Connection Cable . . . . . . . . . . . . . . . . . . . 3-7

MobileView Junction Box Cable . . . . . . . . . . . . . . . . . . 3-8

Accessing/Wiring the MobileView Connection Compartment 3-9

Removing the Back Cover . . . . . . . . . . . . . . . . . . . . . . 3-9

Connection Compartment Details . . . . . . . . . . . . . . . . . 3-10

Attaching the MobileView Connection Cable. . . . . . . . . 3-11

Connecting a Computer using the RS-232 Serial Port. . . . . . 3-12

Making an Ethernet Connection. . . . . . . . . . . . . . . . . . . . . 3-13

Using the PC Card Slot . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13

Connecting a Keyboard / Printer Using the IrDA Interface . 3-15

Installing the Mounting Bracket . . . . . . . . . . . . . . . . . . . . . 3-16

Table of Contents ii

Configuring the MobileView Terminal

Chapter 4

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

Using the MobileView Configuration Tool . . . . . . . . . . . . . 4-1

Calibrating the Potentiometer . . . . . . . . . . . . . . . . . . . . 4-2

Adjusting Display and Touch Screen Settings . . . . . . . . 4-3

Setting the Handwheel to Zero . . . . . . . . . . . . . . . . . . . 4-4

Configure Keypad Settings . . . . . . . . . . . . . . . . . . . . . . 4-5

Configuring Startup Settings . . . . . . . . . . . . . . . . . . . . . 4-5

Activating/Testing Pushbutton LEDs . . . . . . . . . . . . . . . 4-6

Loading a New Image File . . . . . . . . . . . . . . . . . . . . . . 4-7

Clearing the Registry . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9

Checking the Operating and Control Elements . . . . . . . . . . 4-10

Transferring Data with a Personal Computer . . . . . . . . . . . 4-11

Verifying Serial Port Availability . . . . . . . . . . . . . . . . . . 4-11

Installing Microsoft ActiveSync Software . . . . . . . . . . . . 4-12

Connecting the MobileView Terminal to a PC . . . . . . . . 4-12

Disconnecting Communication . . . . . . . . . . . . . . . . . . . 4-14

Installing Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14

Saving Registry Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15

Using RSView ME Station

Chapter 5

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

Startup Options for RSView ME Station . . . . . . . . . . . . . . . 5-1

Starting RSView ME from the desktop . . . . . . . . . . . . . . . . 5-4

Screen Buttons. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Input Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6

Loading an ME Application . . . . . . . . . . . . . . . . . . . . . . . . 5-7

Running an Application. . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

Application Settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

Terminal Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8

Networks and Communications . . . . . . . . . . . . . . . . . . . . . 5-9

Diagnostic Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16

File Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17

Font Linking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-20

Print Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21

Startup Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-23

Time/Date/Regional Settings . . . . . . . . . . . . . . . . . . . . . . . 5-25

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CE Thin Client Operating Instructions

Windows CE Applications

Maintenance and Troubleshooting

Table of Contents iii

Chapter 6

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Starting Up/Powering On the Terminal . . . . . . . . . . . . . . . 6-1

Setting Auto Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2

Configuring Ethernet Network Settings. . . . . . . . . . . . . . . . 6-2

Saving Registry Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3

Starting Terminal Services . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

Shutting Down/Powering Off the Terminal . . . . . . . . . . . . 6-5

Setting the Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . 6-5

Chapter 7

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

MobileView Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1

Generating Programs for Windows CE . . . . . . . . . . . . . . . . 7-2

Virtual Channel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2

Chapter 8

Chapter Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

Cleaning the MobileView Guard Terminal . . . . . . . . . . . . . 8-1

Handling the MobileView Guard Terminal . . . . . . . . . . . . . 8-2

Troubleshooting the Terminal . . . . . . . . . . . . . . . . . . . . . . 8-3

Providing Technical Support Information . . . . . . . . . . . . . . 8-4

Appendix A - Specifications

Appendix B - Security Considerations

Appendix C - Available Fonts for Terminal Applications

Index

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Table of Contents iv

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This preface provides information on:

• manual contents

• terminology

• intended audience

• intended uses

• European Communities (EC) Directive Compliance

• standards and agency certifications

• Rockwell Automation Support

Preface

Contents of Manual

This manual is organized as follows:

Chapter Title Description

1 Overview Gives a general overview of the

MobileView Guard G750 and its features.

2 Safety Precautions and

Elements

3 Terminal Connections Shows how to connect the MobileView

4 Configuring the MobileView

Terminal

5 CE Thin Client Operating

Instructions

6 Windows CE Applications Describes the Windows CE software

Describes safety precautions and safety elements (enabling switch, emergency stop switch) of the MobileView Guard G750.

Guard G750 to the Junction Box, make Ethernet, serial, and IrDA (keyboard and printer) connections, use the PC Card slot, and install the optional mounting bracket.

Provides details on how to use the MobileView Configuration Tool to calibrate operating elements. It also provides details on how to transfer data between the MobileView terminal and PC, and install programs.

Gives instructions on how to start up, configure Ethernet settings, and power off the MobileView Guard. It also gives details on how to start terminal services.

installed in the MobileView terminal, generation of Windows CE programs, and the MobileView Guard virtual channel.

7 Using RSView ME Station Describes the RSView ME Station

software installed in the MobileView 2727-G7P20D1Q6 and 2727-G7P20D3Q7 terminals.

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Preface 2

Chapter Title Description

8 Maintenance and

Troubleshooting

A Specifications Gives specifications for the MobileView

Provides information on cleaning, handling and troubleshooting the MobileView Guard G750 terminal.

Guard G750 terminal.

Terminology

Intended Audience

Intended Uses

B Available Fonts for Terminal

Applications

The MobileView Guard G750 is referred to as the MobileView terminal throughout this manual.

This manual is for the individuals responsible for installing, configuring, troubleshooting, and operating the MobileView Guard G750 in an industrial environment.

The MobileView Guard G750 may only be used for the types of use described in this manual. This terminal has been developed, manufactured, tested and documented in accordance with ergonomic guidelines and the appropriate safety standards. If you follow the instructions and safety precautions relating to the intended use are properly observed, the MobileView Guard G750 does not, under normal circumstances, represent a danger to the health of personnel or a risk of damage to other property or equipment.

Provides information on pre-installed fonts and available fonts for download for the MobileView terminals.

European Communities (EC) Directive Compliance

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Observe national regulations for disposing of electronic components.

The product has the CE mark and is approved for installation within the European Union and EEA regions. It has been designed and tested to meet the following directives. In addition, the device meets the Council Directive 98/37/EC as a safety component.

Preface 3

EMC Directive

This product is tested to meet the Council Directive 89/336/EC Electromagnetic Compatibility (EMC) by applying the following standards, in whole or in part, documented in a technical construction file:

• EN 61000-6-4:2001 EMC - Generic Emission Standard, Part 2 -

Industrial Environment

• EN 61000-6-2:2001 EMC - Generic Immunity Standard, Part 2 -

Industrial Environment

• EN 61131-2 - Programmable Controllers Part 2 - Equipment

Requirement and Tests

This product is intended for use in an industrial environment.

Safety of Machinery Standards

The MobileView Guard G750 meets the following council directives:

• EN 954-1:1996 Safety-related parts of control systems

• EN 292-1:1991 - Basic concepts, general principles for design

• EN 292-2: 1991/A1:1995 - Technical principles and specifications

• EN418:1992 - Emergency stop equipment, function aspects, principles

of design

• EN 60204-1:1997 - Electrical equipment of machines, general

requirements

A Declaration of Conformity is available upon request.

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Preface 4

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Overview

Chapter

Chapter Objectives

Overview

This chapter covers the following topics:

• overview

• hardware description

• membrane keypad

• touch screen

• terminal configurations

• terminal accessories

The MobileView products are a family of human machine interface devices with a rugged design and Windows-CE compatible electronics. The MobileView Guard G750 is specifically designed for safety applications with features, including:

• multiple 3-position enable switches

• emergency stop switch (option)

These features allow operator access to the machine’s safety system as well as the general interface to its control system.

Using a high-performance Intel StrongARM processor and providing an Ethernet interface, the MobileView Guard G750 is ideal for a variety of applications including:

• operator panel for machines and plants

• teach and programming panel for robots

• test, maintenance, and startup

All tasks can be solved graphically and in color. Operation is intuitive, using a touch screen with symbol-controlled sequences.

Instead of a floppy or hard disk drive, which are not suitable for harsh environmental conditions, the MobileView Guard G750 uses scalable FLASH and RAM banks. Functionality is easily expanded using PC cards Type I, II, and III.

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1-2 Overview

MobileView Guard Sample System Configuration

The MobileView Guard G750 connects as a client to a Windows NT or Windows 2000 server. It also provides a Windows CE platform for applications generated with common visualization tools, Visual Basic, Visual C++, and the CE 4.x Software Developers Kits (SDK) included on the product CD.

The MobileView Guard G750 Catalog Numbers 2727-G7P20D1Q6 and 2727-G7P20D3Q7 support RSView Machine Edition Software.

The MobileView Guard G750 easily adapts to specific applications using configurable operating and control elements.

MobileView Guard Terminal

running as CE Thin Client and/or

Custom CE Applications

n u

7 8 9

4 5

1 2 3

. 0 -

ESC

KETOP

5, 10, 15, 20 meter mobile

Connection Cable

Discrete/Ethernet

ror r E

Connection

Typical System Control Cabinet

PILZ PST 1

Safety Relay

Discrete

Connections

24V dc Power

MobileView

Junction Box

24V DC ONLY

+24V

TERM INAL IN

GND

ES1+

ES1-

ES2+

ES2-

ED1+

ED1-

ED2+

ED2-

RS422 OUT

+24V

GND

ES1+

ES1-

ES2+

ES2-

ED1+

ED1-

ED2+

ED2-

ETHERNET OUT

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Ethernet

Connection

Local or Remote

Windows NT or 2000 Server

Overview 1-3

Hardware Description

The following illustration shows the location of key hardware components.

1 Potentiometer with 0-127 linear resolution (option) 2 Electronic handwheel with 50 pulses/rev, -32768 to +32768 (option) 3 Emergency stop switch, twin-circuit, N/C contacts, 24V dc, 500mA max

(option)

4 Membrane keypad with tactile feedback - standard Windows keyboard

operation

5 Illuminated momentary push button, normally open, OFF marking, yellow LED

(option)

6 3-position key switch (option) 7 Illuminated momentary push button, normally open, ON marking, yellow LED

(option)

8 7.7 inch VGA (640 x 480 pixels) passive matrix color LCD display with analog

resistive touch screen

9 3-position, twin circuit, enabling switch (one each side of handle) for safety

interface

10 IrDA keyboard/printer interface, 9600 or 115.2K baud 11 Handle for left or right-hand operation 12 Single slot PC card interface for Type I, II and III cards (option) 13 Strain relief for connection cable (shipped with cable) 14 Back cover to connection compartment 15 Plug for cable outlet when not used (meets degree protection IP54)

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1-4 Overview

Membrane Keypad

Tab Left/Right Keys

Shift and Ctrl Keys

Backspace and Esc Key

Page Up/Down Home/End

Alt Key

The MobileView terminal has a membrane keypad with stainless steel dome switches for tactile feedback.

Function Keys

F1 - F12

Guard

G750

Numeric, Period, Minus Keys

Enter Key

The keys on the keypad operate identically to a Windows PC keyboard with the exception of Tab Left and the ALT-Arrow key combinations. Most standard 2-key combinations are supported including some 3-key combinations. The table below shows the Windows virtual key codes for each key.

Keypad Key Windows Virtual Key Code

Numeric keys 0 - 9 VK_NUMPAD0 through VK_NUMPAD9

. (period) VK_DECIMAL

- (minus) VK_SUBRACT

Arrow (left/right/up/down) VK_LEFT/VK_RIGHT/VK_UP/VK_DOWN

Enter VK_RETURN

Backspace VK_BACK

ALT+Up arrow (PG UP) VK_PRIOR

ALT+Down arrow (PG DN) VK_NEXT

ALT+Left arrow (PG HOME) VK_HOME

ALT+Right arrow (PG END) VK_END

Tab Left key VK_LSHIFT+VK_TAB

Tab Right key VK_TAB

SHIFT key VK_LSHIFT

CTRL VK_LCONTROL

F1 - F12 function keys VK_F1 through VK_F12

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Keypad Key Windows Virtual Key Code

ESC VK_ESCAPE

ALT key VK_MENU

Options: Illuminated push button, left Key switch, left Key switch, right Illuminated push button, right

VK_F13 VK_F14 VK_F15 VK_F16

Overview 1-5

Touch Screen

The touch screen is calibrated before shipment. No further calibration is required.

ATTENTION

Do not use a sharp object, such as a screw driver to operate the touch screen. Using sharp objects may damage the touch screen.

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1-6 Overview

MobileView Guard Configurations

Features 2727-G7P20D1P4 2727-G7P20D1P5 2727-G7P20D1Q6 2727-G7P20D3Q7

7.7 Inch VGA Display

IrDA Interface Yes

3-Position Enable Switch

2-Circuit E-Stop No Yes

Memory 16MB RAM

PC Card Slot No Yes

Communications 10Base-T Ethernet

Operating Elements

The MobileView Guard terminal is available in 4 configurations. The table below lists each configuration by catalog number and the included features.

Yes

64MB RAM

32MB Flash

Push Button with OFF Marking Position 5

Key Switch Position 6

64MB Flash

Windows CE Operating System

RSView Machine Edition

Thin Client Application

No No

Push Button with ON marking Position 7

Potentiometer Position 1

Electronic Handwheel -

Position 2

Yes

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Overview 1-7

MobileView Guard

The following accessories are available for the MobileView terminal.

Accessories

Catalog Number

2727-MRT5 MobileView Guard Connection Cable (5 meter /16.4 ft) - connects the MobileView Guard terminal to the Junction Box

2727-MRT10 MobileView Guard Connection Cable (10 meter /32.8 ft) - connects the MobileView Guard terminal to the Junction

2727-MRT15 MobileView Guard Connection Cable (15 meter /49.2 ft) - connects the MobileView Guard terminal to the Junction

2727-MRT20 MobileView Guard Connection Cable (20 meter/65.6 ft) - connects the Mobileview Guard terminal to the Junction Box

2727-MRJB1 MobileView Guard Junction Box - provides controller, Ethernet, power supply, emergency stop switch, and enabling

2727-MREX1 MobileView Guard Junction Box Cable (2 meter / 6.5 ft) - connects the MobileView Guard Connection Cable to the

2727-MRC1 MobileView Download Cable (4 meter /13.1 ft) - connects between the MobileView Guard terminal to a PC.

2727-MRMB1 MobileView Guard Mounting Bracket for stationary operation or storing the MobileView Guard terminal.

2727-MRSDK1 MobileView Guard SDK file set for WIndows CE development.

Description

Cable.

Box Cable

Box Cable.

cable.

switch connections.

Junction Box.

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1-8 Overview

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Safety Precautions and Elements

Chapter

Chapter Objectives

General Safety

This chapter provides information on general safety precautions in addition to important information on:

• power supply

• enabling switches

• emergency stop switch

• handling of the MobileView terminal

The MobileView Guard G750 may only be used for the types of use described in this manual. The MobileView Guard G750 has been developed, manufactured, tested and documented in accordance with ergonomic guidelines and the appropriate safety standards.

When disposal of MobileView terminals is required, please observe the national regulations for disposing electronic components.

It is important to follow the instructions in this manual in all circumstances. Failure to do so could result in potential sources of danger or the defeating of safety features integrated in the terminal.

In addition to the safety instructions in this manual, you must also use safety precautions and accident prevention measures appropriate to the situation.

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2-2 Safety Precautions and Elements

ATTENTION

• Make sure interrupted processes can be properly

restarted after power failures or power dips. No dangerous operating conditions must be allowed to occur, even temporarily.

• In situations where faults occurring within the

automation system could cause personal injury or significant damage to machinery and equipment, take additional external safety measures to ensure the system remains in a safe operating condition.

• Make sure unauthorized persons are not allowed

to adjust settings or make memory modifications that could lead to dangerous situations.

• Test the functionality of safety-related parts

(E-stop and enabling switches) on a regular basis.

• If the MobileView terminal and controller do not

communicate using a point-to-point connection, keypad data, for example, may transmit with a delay. Use of an Ethernet switch between the MobileView terminal and controller is recommended for a higher speed connection.

• Test safety-relevant parts after strong shocks to

the terminal (for example, if terminal is dropped on ground).

• When the MobileView terminal is used to operate

the machine/plant, ensure that the MobileView is the single point of operation (C.F. ANSI/RAI

15.06).

• If you use a PC card with the MobileView, always

make sure the PC card is properly loaded. After a strong impact, the PC card cover remains closed. Verify the card is properly loaded to maintain a good electrical contact.

• When the MobileView is used in manual mode

(for example, teaching of robot), ensure the robot moves at a slower speed (C.F. ANSI/RAI 15.06).

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Power Supply

ATTENTION

Safety Precautions and Elements 2-3

• The device meets the safety class III in

accordance with EN 61131-2 and EN 50178. The 24V power supply for the equipment must provide appropriate isolation between the safety-extra-low-voltage circuits and dangerous-contact voltage circuits (for example, by safety transformers or similar facilities).

• The power supply circuit must be protected with

a 3.15 A fuse.

• The nominal supply voltage of the MobileView

terminal (without MobileView Connection Cable) is 24V dc (supply voltage range: 18-32V dc).

• Typical current consumption is:

- 300 mA at 24V dc

- 400mA at 18V dc

• When planning the power supply, consider the

voltage drop in the connection cable. Specifications of power supply lines in the connection cable are:

- Cross section: AWG24 (0.24mm2)

- Material: zinc-coated copper strand

- Line resistance: <90 Ohm/km (<145 Ohm/mile)

Enabling Switches

The enabling switches are in accordance with EN 60204-1 in safety categories according to EN 954-1 (Safety related parts of control system). There are two parallel switched, potential-free, normally open contacts for connecting external peripherals, nominal voltage 24V dc (safety-extra-low voltage in accordance with EN 61131-2 and EN 50178), typical current 500 mA dc.

The electronic enabling switch realizes the enabling equipment as a safety function for machines in special operating modes. The enabling switch is part of the MobileView terminal.

Each machine features a normal operating mode and a special operating mode.

• In normal operating mode, guards and/or operative protection

devices are used to prevent access and guarantee safety. Special operating modes are used to maintain the normal operating mode.

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2-4 Safety Precautions and Elements

• In special operating mode, safety must be guaranteed in other

ways since the operator must enter dangerous areas of the machine, and targeted movements must be possible. In this case, a reduced speed of the machine must be defined by means of the risk assessment. A movement will only be possible if an enabling device is actuated. The user must be trained and must know the details of the intended use. The safety related parts of the control for reducing speed and for the enabling device must be constructed so that they meet the safety category 3 according to EN 954-1, defined by the risk assessment.

To meet safety category 3 in accordance with EN 954-1, the enabling switch must be implemented with 2 circuits.

EN 60204-1 describes the functioning of the enabling device. Due to the latest findings of analysis of accidents and since technical solutions are available, the 3-position enabling switch became state of the art. The positions 1 and 3 of the enabling switch are OFF functions. Only the central position is used for enabling. The EN 60204-1 is identical with IEC 60204-1. So the 3-position enabling switch is of international relevance.

The enabling switch consists of a 3-position operating element and separated evaluation electronics. Essential features are continuous two-channel circuits between the actuating elements and the connecting terminals. For the evaluation circuits, different technologies and circuits are used. Because of the electronic switching contacts, their lifetime does not depend on the load as long as the nominal values of the load (ohmic, inductive and capacitive) are not exceeded.

ATTENTION

• Enabling switches may only be used if the

operator activating the switch recognizes the dangerous situation in time to take immediate action if necessary.

• The enabling switch is only used to enable

commands for performing dangerous movements. The commands must be activated by a separate operating element (key on terminal). Only persons allowed to activate the enabling switch are allowed to work in the dangerous area.

• On the MobileView Guard terminal, the enabling

switches always feature 2 circuits.

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Safety Precautions and Elements 2-5

Enabling Switch Operation

The actuating element consists of two symmetrically arranged slides. The position of these slides is detected by electrical switches and transmitted to the evaluation electronics.

Positions of Enabling Switch

Home Position (1) enabling outputs are open

Enabling (2) enabling outputs are closed

Panic (3) enabling outputs are open

For the enabling switch, the following switch sequences are possible:

A. Home position enabling panic home position (1-2-3-1)

B. Home position enabling home position (1-2-1)

u v

The pushing of the actuating elements directly into the panic position is evaluated in a way that the enabling position is skipped when the actuating elements are released.

Contact Travel Diagram

123

ZT1, ZT2

123

Circuit 1

ZT1

Circuit 2

ZT2

ZT1 ZT2

Circuit 1

Circuit 2

Circuit 1

Circuit 2

Circuit 1

Circuit 2

Circuit 1 Circuit 2

Circuit 1

Circuit 2

Circuit 1

Circuit 2

Circuit 1 Circuit 2

Circuit 1

Circuit 2

Circuit 1

Circuit 2

Circuit X = open

Circuit X = closed

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2-6 Safety Precautions and Elements

Connection Example with a Safety Control Relay

The diagram below shows suggested wiring for enabling switches using a PILZ PST safety control relay to meet safety category 3. Refer to PILZ PST documentation for additional information.

MobileView

(2 enabling switches with

3 positions and 2 circuits each)

123 123 321 321

ZT1

123 123 321 321

ZT2

ZT1

ZT2

Control cabinet

+24 VD C

F1 1A

Feedback

contro l loop

KA KB

4A(t)

6A(f)

S19:

K3:

DC/DC

converter

Evaluation electronics

C ircuit 1 Circu it 2

12 34

ZTxy ....... enabling switch x

Connection cable MobileView

K1:

7 8 12 17K1: 1 2

7 8 12 1712

17-pin coinvers jack

Intermediate cable MobileView

+24V GND ED1+ ED1- ED2+ ED2-

K3:

Terminal block socket K3 on

connection box Male connector X1 on connection box

Connection box

+24V GND ED1+ ED1- ED2+ ED2-K4:

GND

4A(t)

6A(f)

3,15A

Male connector X2 on connection box

Terminal block socket K4 on connection box

X1 X2

A1(+) 2 3 S11

PILZ PST1

A2(-)

GND

Publication 2727-UM002D-EN-P

14 24 S23 S24

KA KB

GND GND

S12

L1 L2 L3

Enabling of dangerous movement

Note: All contacts of KA and KB must be forced-guided!

Safety Precautions and Elements 2-7

• Only if both channels of ZTL or ZTR are activated

“simultaneously” will both output relays K1 and K2 energize and the output contacts 13-14 and 23-24 close.

• The output relays K1 and K2 will not energize if:

– only one enabling channel is activated, – the tolerance value for the simultaneity period is exceeded, – the feedback control loop X1-X2 is open.

• If one enabling channel is released after being simultaneously

activated, the output relays K1 and K2 will return to their initial position. The forced-guided output contacts 13-14 and 23-24 will open. The output relays will only energize again after both enabling channels have been released and operate simultaneously again.

In this way, the enabling switches avoid that one single error making the safety function inoperable. A single error will be recognized at the next cycle at the latest.

Switching Element Data

Nominal voltage 24V dc (typical)

32V dc (maximum)

Nominal current 500 mA (typical)

Short-circuit current circuit 1; maximum 1.9 A

circuit 2: maximum 600 mA

Max. inductive load (at 500 mA) circuit 1: >1H

circuit 2: maximum 320 mH

Max. capacitive load circuit 1: no limit since the transistor is

protected thermally

circuit 2: maximum 500 µF

The switching elements of the enabling switches are protected against reversed polarity. The outputs of both circuits are protected against short circuits and excess load.

• Circuit 1: thermal protective circuit

• Circuit 2: fold back protective circuit

Publication 2727-UM002D-EN-P

2-8 Safety Precautions and Elements

Foreseeable Misuse of the Enabling Switch

Foreseeable misuse means not allowing the enabling switch to be fixed in the enabling position. Misuse of the enabling switch must be restricted. The following measures are recommended, which cause the machine to stop in manual mode.

• Inquiry of the enabling switch when turning on the

machine/plant and inquiry of the enabling switch when changing the operating mode from automatic to manual. (The enabling switch must not be in the enabling position.)

• The enabling switch must be released within a defined period of

time and pushed into the enabling position again. The length of time must be defined according to the activity.

Emergency Stop Switch

The emergency stop switch of the MobileView terminal meets the requirements of EN 418. It must be designed as an emergency stop of category 0 or category 1 (see EN 60204-1, chapter 9.2.5.4.2) on the basis of the risk assessment for the machine. The connection of the force-guided contacts to an appropriate monitoring system must meet the safety category which is defined by means of the risk assessment (in accordance with EN 954-1) of the machine.

The emergency stop has 2, potential-free, normally closed contacts for connecting external peripherals, a nominal operating voltage of 24V (Safety Extra Low Voltage in accordance with EN 61131-2 and EN

50178), and a maximum operating current of 500 mA.

ATTENTION

• When the emergency stop switch is not wired

into the emergency stop circuit, the MobileView terminal must be stored where it is not available to operators. Consider that the operator might activate the nearest emergency stop in case of danger. This could have fatal consequences if the emergency stop does not function.

• Emergency stop functions must remain

operational in all operating modes. Resetting an activated emergency stop must not result in uncontrolled startup of machines or installations.

• The emergency stop switch does not replace

other safety devices.

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Safety Precautions and Elements 2-9

Risk Assessment of Machinery

For the risk assessment, the following standards must be applied:

• EN 292-1 “General principles for design of machinery”

• EN 1050 “Principles for risk assessment of machinery”

• EN 954-1“Safety-related parts of control systems”

• ANSI/RIA 15.06-1999 “For Industrial Robots and Robot Systems -

Safety Requirements (Section 9)

• ANSI B11.TR3-2000 “Risk Assessment and Risk Reduction - A

guide to estimate, evaluate and reduce risks associated with machine tools”

The safety categories (B, 1, 2, 3, 4) define the structure of safety-related parts of a machine and are derived from this risk assessment.

Page 2-6 shows how the MobileView terminal meets safety category 3 using a PILZ PST1 safety control relay with the enabling switches. The entire control system must be designed according to the principles of safety category 3.

Handling of the MobileView Terminal

The MobileView terminal is a high-quality device that is equipped with state-of-the-art electronics.

To avoid malfunctions or damage through improper handling, follow these instructions during operation.

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2-10 Safety Precautions and Elements

ATTENTION

• Do not operate the terminal if the cable is

damaged or pinched. To avoid damaging the cable, do not place the cable over or around sharp objects.

• When the terminal is not in use, hang the

terminal in the mounting bracket or place inside a cabinet or enclosure.

• To avoid dropping the terminal, do not set the

terminal on unstable surfaces and keep the cable clear of high traffic areas.

• To avoid damaging the operating elements, do

not set the terminal on its operating side.

• If the terminal falls to the ground, test the

emergency stop switch and enabling switch, and verify that the PC card cover closes properly before operating machine/plant.

• Do not set the terminal near heat sources and

avoid direct sunlight.

• Avoid exposing the terminal to mechanical

vibrations, excessive dust, humidity or strong magnetic fields.

• Use a soft, damp cloth with 50% water and 50%

isopropyl alcohol to clean the operating panel and operating elements. Do not use solvents, scouring agents, or scrubbing sponges.

• Prevent foreign objects or liquids from getting

into the terminal. Check the protective covers of the device regularly. Make sure all screws are firmly tightened and that the housing and cable entrance is not damaged.

• Turn off the power supply before removing the

back cover of the MobileView terminal. When the back cover is removed, the terminal is sensitive to electrostatic discharge (ESD).

• If the terminal exhibits any defect, have the unit

thoroughly and fully tested by the manufacturer or authorized repair dealer before operating terminal again.

• Do not use sharp objects, such as a screw driver,

on the touch screen. Sharp objects may damage screen.

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Terminal Connections

Chapter

Chapter Objectives

This chapter shows how to connect devices to the MobileView terminal, including:

• mounting and connecting the MobileView Junction Box

• accessing and wiring the MobileView connection compartment

• connecting a computer using the RS-232 Port

• making an Ethernet connection

• using the PC card slot

• connecting a keyboard/printer using the IrDA interface

• installing the MobileView Mounting Bracket

1 Publication 2727-UM002D-EN-P

3-2 Terminal Connections

Mounting and Connecting the Junction Box

Pin 1, 24V dc

(with Female

Terminal Block

Connector K3)

Pin 1, 24V dc

(with Female

Terminal Block

Connector K4)

The MobileView Junction Box (2727-MRJB1) integrates the MobileView terminal into the control system. It mounts on a DIN rail inside an enclosure and has the following connectors:

Connectors Description

S1 RJ-45 jack for connecting the MobileView data lines.

S2 9-pin DSUB female connector (for future use).

S3 RJ-45 jack to Ethernet network.

X1 12-pin male connector for connecting the Junction Box Cable.

X2 12-pin male connector (shipped with a female terminal block connector)

for connecting the:

• 24V dc power supply

• emergency stop switch

• enabling switches

Junction Box

60 mm (2.36 in)

+24V

GND

ES1+

ES1-

ES2+

ES2-

ED1+

ED1-

ED2+

ED2-

+24V

GND

ES1+

ES1-

ES2+

ES2-

ED1+

ED1-

ED2+

ED2-

24V DC

ON LY

TER M INAL IN

RS 422 OUT

ETHERNET OUT

162 mm (6.4 in.)

150 mm (5.91 in) 108 mm (4.25 in)

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Grounding Screw

ATTENTION

DIN Rail Latch

Grounding Screw

Strain Relief for Cable

The MobileView Junction Box and the MobileView terminal meet the safety class III in accordance with EN 61131-2 and EN 50178.

When connecting the terminal, make sure all voltages connected to the MobileView terminal are safety extra low voltages and isolated from the low voltage supply system by a safety transformer or a similar safety component.

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