Rockwell Automation Allen-Bradley MobileView Terminal Benutzerhandbuch

Application Technique

Using a MobileView Terminal With Multiple IP20 Junction Boxes

Products: MobileView Terminal(1), GuardLogix Controller, Stratix 5700 Switch, and POINT Guard I/O Modules

(1) Applies only to MobileView™ terminals with gray stop button, cat. nos. 2711T-F10G1N1 and 2711T-T10G1N1.

Topic Page

Important User Information 2

Abbreviations 3

General Safety Information 3

Introduction 3

Risk Assessment 4

Enabling Switch Safety Function 4

Safety Function Requirements 4

Functional Safety Description 5

Bill of Material 5

Installation and Wiring 5

System Overview 6

MobileView 2711T Terminal Component Description 7

MobileView 2711T Terminal Dimensions and Weight 7

Connection Diagrams 8

Enabling Switch Wiring 9

System Components Configuration 11

Application Programming 13

Application Examples 14

Additional Resources 17

2Rockwell Automation Publication 2711T-AT001B-EN-P - February 2017

Using a MobileView Terminal With Multiple IP20 Junction Boxes

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 2711T-AT001B-EN-P - February 2017 3

Using a MobileView Terminal With Multiple IP20 Junction Boxes

Abbreviations

This publication uses the following abbreviations.

General Safety Information

Contact Rockwell Automation to find out more about our safety risk assessment services.

Introduction

This application technique explains how to wire, configure, and program a GuardLogix® controller and POINT Guard

I/O™ module so a single MobileView™ terminal(1) can be used with multiple MobileView IP20 junction boxes in

controlled safety areas.

For partial-body access applications with slow machine speed, the operator can energize the motors by squeezing the

MobileView terminal enabling switch to the middle position after the safety door interlock access has been performed.

Safety door interlock management is not covered in this publication.

Follow the procedures described in this publication to use a bypass switch (formerly a two-position key lock switch) as a

plug for the MobileView junction box.

In this publication, the application examples use a Compact GuardLogix controller, but the information also applies to

any safety ControlLogix® controller.

Abbr Description Abbr Description

DCM Dual channel input monitor I/O Input/output

DCS Distributed control system IP(1)

(1) When used with a number (for example, IP20), IP means International Protection or Ingress Protection.

Internet protocol

DCSRT Dual channel input start JB Junction box

DHCP Dynamic host configuration protocol N.C. Normally closed

EOI Electronic operator interface N.O. Normally open

FP Fault presence PC Personal computer

IMPORTANT This application example is for advanced users who are trained and experienced in safety system requirements.

ATTENTION: Perform a risk assessment to make sure all task and hazard combinations have been identified and addressed. The

risk assessment can require additional circuitry to reduce the risk to a tolerable level. Safety circuits must take into consideration

safety distance calculations, which are not part of the scope of this document.

(1) Applies only to MobileView terminals with gray stop button, cat. nos. 2711T-F10G1N1 and 2711T-T10G1N1.

IMPORTANT The application examples in this publication apply only to the following:

•A MobileView terminal with an integrated enabling switch and gray stop push button, but not to any MobileView terminal

with an emergency stop (E-stop) push button

•A MobileView IP20 junction box, but not to any MobileView IP65 junction box

4Rockwell Automation Publication 2711T-AT001B-EN-P - February 2017

Using a MobileView Terminal With Multiple IP20 Junction Boxes

Risk Assessment

The required performance level is the result of a risk assessment and refers to the amount of the risk reduction to be

carried out by the safety-related parts of the control system. Part of the risk reduction process is to determine the safety

functions of the machine.

Enabling Switch Safety Function

This safety function is the removal of power from the hazard when the safety system detects that the operator does not

have the enabling switch on the MobileView terminal in the middle position, or when the door switch is open.

Safety Function Requirements

Functional safety requires the continuous actuation of a three-position enabling switch to enable power to the motor.

The MobileView terminal enables power to the motor when you squeeze its enabling switch to the middle position.

When you release or fully squeeze the switch, power to the motor is removed. Faults at the enabling switch, wiring

terminals, or safety controller are detected before the next safety demand.

Throughout this publication, notes are used wherever necessary to make you aware of safety considerations.

From: Risk Assessment (ISO 12100)

1. Identification of safety functions

2. Specification of characteristics of each function

3. Determination of required PL (PLr) for each safety function

To: Realization and PL Evaluation

Three-position

Enabling Switch on

MobileView Terminal

Rockwell Automation Publication 2711T-AT001B-EN-P - February 2017 5

Using a MobileView Terminal With Multiple IP20 Junction Boxes

Functional Safety Description

In this example, power to the motor is enabled if the bypass switch is set to the RUN position, or if you squeeze the

enabling switch of the MobileView terminal to the middle position and the bypass switch is set to the BYPASS position.

Both the bypass switch and the enabling switch are wired to a pair of safety inputs on a safety input module (in this

example, an Allen-Bradley® 1734-IB8S POINT Guard I/O™ module). The I/O modules are connected via CIP Safety

over an EtherNet/IP network to the safety controller. The safety code in the controller monitors the status of the bypass

switch and the enabling switch with pre-certified safety instructions. DCM is used for the bypass switch and DCSRT is

used for the MobileView terminal enabling switch.

Bill of Material

This application uses these products.

Installation and Wiring

For detailed information on installation and wiring, refer to the publications in Additional Resources on page 17.

Table 1 - Bill of Material

Cat. No. Description Quantity

2711T-F10G1N1 or 2711T-T10G1N1 MobileView terminal with gray stop button 1

2711T-JBIP20DC MobileView IP20 junction box, DC input 3

2711T-5MCABLE MobileView tethered cable, 5 m 1

1783-BMS10CGN Stratix® 5700 industrial Ethernet switch 1

1734-AENTR POINT I/O dual-port EtherNet/IP adapter, redundant 3

1734-IB8S POINT Guard I/O safety input module, 8 inputs 3

1734-TB POINT I/O module base with removable IEC screw terminals 11

1734-OB8S POINT Guard I/O safety output module, 8 outputs 1

1734-IB4 POINT I/O input module, 4 inputs 3

1756-EN2T ControlLogix Ethernet adapter 1

1756-L7xS ControlLogix Safety PAC 1

1756-L7SP ControlLogix Safety Partner 1

1756-PA72 ControlLogix power supply, 120/220V AC input, 2.8 A @ 24V DC 1

1756-A4 Chassis 4 Slot 1

800FM-KM21 Two-position key lock switch 3

800F-MX20 2 N.C. contacts 3

800FM-MT44 Emergency push button head 3

800F-MX02 2 N.C. contacts 3

800FM-F6MX10 800F reset push button–metal, guarded, blue, R, metal latch mount, 1 N.O. contact, standard 3

6Rockwell Automation Publication 2711T-AT001B-EN-P - February 2017

Using a MobileView Terminal With Multiple IP20 Junction Boxes

System Overview

The 1734-IB8S POINT Guard I/O input module monitors the contacts of MobileView terminal enabling switch and

stop button, the bypass switch, reset button, and emergency stop (E-stop) for each controlled safety area.

This module can source the 24V DC for all channels to dynamically test the signal wiring for shorts to 24V DC and

channel-to-channel shorts. If a fault occurs, either or all channels are set to 0V DC, and the controller reacts by dropping

out the safety outputs. Only after the fault is cleared and the faulted input device is cycled does the function block (DCS,

DCM or DCSRT) in the controller reset.

Shorts to 0V DC (and wire off ) are seen as an open circuit by the POINT Guard I/O input module, and the controller

will react by dropping out the safety outputs. If the inputs remain discrepant for longer than the discrepancy time, then

the function block in the controller declares a fault. Only after the fault is cleared and the faulted input device is cycled

does the function block in the controller reset.

In this system, the final control device are safety outputs to control motors. The outputs are controlled by a 1734-OBS

POINT Guard I/O safety output module.

In each area near the junction box, there is a reset push button, a bypass switch, and an E-stop safety push button. The

reset push button is to reset fault conditions. The bypass switch is to bypass the junction box and manage the

MobileView terminal. When the MobileView terminal is connected, the bypass switch is set to RUN. When the

MobileView terminal is unplugged (and the junction box must be bypassed), the bypass switch is set to BYPASS. This

two-position key lock switch offers better security than a simple selector switch because it requires a specific key to

activate/deactivate the bypass. The E-stop safety push button is an emergency stop.

The Stratix 5700 managed switch lets you know which Ethernet port is connected to the MobileView terminal.

Figure 1 - System Layout

1109

Junction Box Area 1 Junction Box Area 2 Junction Box Area 3

MobileView Terminal

Compact GuardLogix Controller(1)

Guard I/O

Modules (3)

MobileView Terminal Connection Cable

Stratix 5700

(1) In this publication, the application examples use a Compact GuardLogix controller, but the information also applies to any ControlLogix safety controller.

Rockwell Automation Publication 2711T-AT001B-EN-P - February 2017 7

Using a MobileView Terminal With Multiple IP20 Junction Boxes

MobileView 2711T Terminal Component Description

The following illustration shows the location of key hardware components.

MobileView 2711T Terminal Dimensions and Weight

Table 2 - MobileView Terminal Component Descriptions

Item Description Standard Option

1 Membrane keypad with tactile feedback •

2 10 inch WXGA (1280 x 800 pixels) TFT color LCD display with analog-resistive touch screen •

3 Illuminated momentary push button, N.O. or •

Three-position key switch •

4 Gray push button, twin-circuit, N.C. contacts, 24V DC, 500 mA max •

5 Backside membrane keypad with tactile feedback •

6USBport •

7 Product nameplate •

8 Handle to hold the terminal, to store the connection cable, and to attach to the mounting bracket •

9 Three-position, twin circuit, enabling switch for safety system interface •

10 Plug for alternate cable outlet not used (meets degree protection IP65) •

11 Back cover to access connection compartment •

1234578

352 mm (13.86 in.)

274 mm

(10.79 in.)

108.5 mm

(4.27 in.)

All MobileView 2711T terminals weigh 1550 g (3.42 lb.) without options.

8Rockwell Automation Publication 2711T-AT001B-EN-P - February 2017

Using a MobileView Terminal With Multiple IP20 Junction Boxes

Connection Diagrams

Figure 2 - MobileView Terminal Side

S1 X4 X1

X2 Options

3-position keyswitch:

1: Left position

2: Center position

3: Common

4: Right position

Illuminated (white LED)

push button:

1: Contact (N.O.)

2: 24V (0V) illumination

3: Common

4: 0V (24V) illumination

Main Connector

Communication

Interface

Operating Element

Interface

11 Not used

24V DC

GND_IN

E-stop, circuit 2 (+)

E-stop, circuit 2 (-)

E-stop, circuit 1 (+)

E-stop, circuit 1 (-)

Enabling device, circuit 1 (+)

Enabling device, circuit 1 (-)

Enabling device, circuit 2 (+)

Enabling device, circuit 2 (-)

+24V DC

GND

E-stop_ES2(+)

E-stop_ES2(-)

E-stop_ES1(+)

E-stop_ES1(-)

Enable_ED1(+)

Enable_ED1(-)

Enable_ED2(+)

Enable_ED2(-)

Pink

Black

Brown

White-green

Gray

Violet

White-pink

White

Blue

White-blue

Red-blue

Green-brown

Ext1

Ext2

Ext3

Ext4

Reserved

TD+

TD-

RD+

RD-

TD+ RD+

RD-

TD+

TD-

RD+

RD-

Blue

White

Orange

Red

Yellow

Green

Gray-pink

Ethernet

2711T Terminal IP20 Junction BoxConnection Cable Field Wiring

Rockwell Automation Publication 2711T-AT001B-EN-P - February 2017 9

Using a MobileView Terminal With Multiple IP20 Junction Boxes

Enabling Switch Wiring

CH1

CH2

1278910

+24 V

+24 V DC

External Switched

Stop/Start Circuit

L11

A1 A2

S11

S21

Reset 0

Y32

S12

S22

S34

13 14

23 24

GND ED1+ ED1- ED2+ ED2-

K2K1 100S-C09EJ23BC

100S-C09EJ23BC

L1 L2 L3

Table 3 - Callouts

Item Description

1 MobileView 2711T terminal

2 Enabling switches circuit board

3 Connection cable wires

4 IP20 junction box input connection

5Controlcabinet

6 IP20 junction box terminals

7 Allen-Bradley Guardmaster® safety

relay

8 Three-phase motor

Table 4 - Actuating Elements

Item Description

Nominal voltage 24V DC (typical)

30V DC (max)

Nominal current 500 mA (typical)

Inductive load, max 700 mA (DC13)

10 Rockwell Automation Publication 2711T-AT001B-EN-P - February 2017

Using a MobileView Terminal With Multiple IP20 Junction Boxes

Connection Layout POINT I/O

COM

T1M

COM

T3M

1734-TOP and 1734-TB Bases Shown

Where:

TO = Test output 0

T1M = Test output 1 with muting

T2 = Test output 2

T3M = Test output 3 with muting

I0…I7 = Inputs 0…7

COM = Supply common

COM

1734-TOP and 1734-TB Bases Shown

Where:

O0…O7 = Safety outputs 0…7

COM = Supply common

Figure 3 - 1734-IB8S Field Connections Figure 3 - 1734-OB8S Field Connections

Input = 0…3

C = Common (4, 5)

V = Supply (6, 7)

Module Status

Network Status

Input 0 Status

Input 1 Status

Input 2 Status

Input 3 Status

Input 0

Input 2

Input 1

Input 3

Figure 3 - 1734-IB4 Field Connections

Node

Table 5 - Pinouts for MobileView Terminal, 1734-IB8S, Bypass Switch, and Push Button

MobileView Terminal 1734-IB8S

DescriptionPin Signal Cable Color Pin Signal

124VDC Red(power)

2GND_IN Black(power)

3 E-stop, circuit 1 (+) Brown 6 T0 Test output

4 E-stop, circuit 1 (–) Blue 0 I0 E-stop, circuit 1

5 E-stop, circuit 2 (+) White/brown 7 T1M Test output with muting

6 E-stop, circuit 2 (–) White/blue 1 I1 E-stop, circuit 2

7 Enabling device, circuit 1 (+) Green 6 T0 Test output

8 Enabling device, circuit 1 (–) White/orange 2 I2 Enabling device, circuit 1

9 Enabling device, circuit 2 (+) Green/white 7 T1M Test output with muting

10 Enabling device, circuit 2 (–) Orange 3 I3 Enabling device, circuit 2

Key Selector (safety) 1734-IB8S

DescriptionPin Signal Cable Color Pin Signal

N/A

1 Normally closed (N.C.) Blue 6 T2 Test output

2 N.C. Orange 0 I4 Auxiliary contact, N.C. (800F)

1 Normally open (N.O.) White/blue 7 T3M Test output

2 N.O. White/orange 1 I5 Auxiliary contact, N.O. (800F)

E-stop Push Button (800F)(1)

(1) Push button is near MobileView junction box.

1734-IB8S

DescriptionPin Signal Cable Color Pin Signal

N/A

1 N.C. Red 6 T2 Test output

2 N.C. White 2 I6 Circuit 1, N.C., 800F E-stop

1 N.O. Black 7 T3M Test output

2 N.O. Yellow 3 I7 Circuit 2, N.C., 800F E-stop

Reset Push Button (800F)(1) 1734-IB8S

DescriptionPin Signal Cable Color Pin Signal

N/A 1 N.C. White 0 I0 —

2 N.C. Green 6 V

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