Pepperl+Fuchs VAA-2E2A-KE1P-S/E2, VAA-2E2A-KE1-S/E2 Original Operating Instructions
SAFETY AT WORK
FACTORY AUTOMATION
MANUAL
VAA-2E2A-KE1-S/E2,
VAA-2E2A-KE1P-S/E2
Original Operating Instructions
VAA-2E2A-KE1-S/E2, VAA-2E2A-KE1P-S/E2
With regard to the supply of products, the current issue of the following document is ap-
plicable: The General Terms of Delivery for Products and Services of the Electrical Indus-
try, published by the Central Association of the Electrical Industry (Zentralverband
Elektrotechnik und Elektroindustrie (ZVEI) e.V.) in its most recent version as well as the
supplementary clause: "Expanded reservation of proprietorship"
VAA-2E2A-KE1-S/E2, VAA-2E2A-KE1P-S/E2
1 Introduction................................................................................. 5
1.1 Content of this Document ................................................................... 5
1.2 Manufacturer ........................................................................................ 5
1.3 Target Group, Personnel...................................................................... 5
1.4 Symbols Used ...................................................................................... 6
2 Product Description ................................................................... 7
2.1 Intended Use ........................................................................................ 7
2.1.1 Non-Secure Outputs.......................................................................... 7
2.2 AS-Interface Safety at Work VAA-2E2A-KE1-S/E2 and VAA-2E2A-
KE1P-S/E2............................................................................................. 7
2.3 Peripheral Requirements..................................................................... 8
2.4 Connections and Displays .................................................................. 8
2.5 Interfaces and Connections................................................................ 9
2.5.1 AS-Interface, Auxiliary Energy ........................................................... 9
2.5.2 Inputs............................................................................................... 10
2.5.3 Outputs ............................................................................................ 10
3 Commissioning......................................................................... 12
3.1 Preparation ......................................................................................... 12
3.2 Configuring the AS-Interface Safety Monitor .................................. 12
3.3 Installation .......................................................................................... 12
3.4 Addressing Modules.......................................................................... 12
3.5 Operational Testing............................................................................ 12
3.6 Operating Mode.................................................................................. 13
3.7 Operation ............................................................................................ 13
4 Maintenance and Repair .......................................................... 14
4.1 Maintenance and Repair.................................................................... 14
5 Technical Data........................................................................... 15
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VAA-2E2A-KE1-S/E2, VAA-2E2A-KE1P-S/E2
6 Appendix A................................................................................ 18
6.1 Application Examples ........................................................................ 18
6.2 Category 2...........................................................................................18
6.3 Category 3...........................................................................................18
6.4 Category 4...........................................................................................21
7 Appendix B................................................................................ 24
7.1 Summary of the Requirements for Categories
in Accordance with EN 954-1/ISO 13849-1 ......................................24
7.2 Certificates ..........................................................................................25
7.3 Probability of Failure on Demand Calculation.................................25
7.4 Transfer Time of the Safety-Relevant Information ........................... 25
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VAA-2E2A-KE1-S/E2, VAA-2E2A-KE1P-S/E2
Introduction
1 Introduction
1.1 Content of this Document
This document contains information required to use the product in the relevant phases of the
product life cycle. This may include information on the following:
■
Product identification
■
Delivery, transport, and storage
■
Mounting and installation
■
Commissioning and operation
■
Maintenance and repair
■
Troubleshooting
■
Dismounting
■
Disposal
Note!
For full information on the product, refer to the further documentation on the Internet at
www.pepperl-fuchs.com.
The documentation comprises the following parts:
■
This document
■
Datasheet
In addition, the documentation may comprise the following parts, if applicable:
■
EU-type examination certificate
■
EU declaration of conformity
■
Attestation of conformity
■
Certificates
■
Control drawings
■
Instruction manua l
■
Other documents
1.2 Manufacturer
Pepperl+Fuchs Gm bH
Lilienthalstraße 200, 68307 Mannheim, Germany
Internet: www.pepperl-fuchs.com
1.3 Target Group, Personnel
Responsibility for planning, assembly, commissioning, operation, maintenance, and
dismounting lies with the plant operator.
Only appropriately trained and qualified personnel may carry out mounting, installation,
commissioning, operation, maintenance, and dismounting of the product. The personnel must
have read and understood the instruction manual and the further docum entation.
Prior to using the product make yourself familiar with it. Read the document carefully.
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VAA-2E2A-KE1-S/E2, VAA-2E2A-KE1P-S/E2
Introduction
1.4 Symbols Used
This document contains symbols for the identification of warning messages and of informative
messages.
Warning Messages
You will find warning messages, whenever dangers may arise from your actions. It is mandatory
that you observe these warning messages for your personal safety and in order to avoid
property damage.
Depending on the risk level, the warning messages are displayed in descending order as
follows:
Danger!
This symbol indicates an imminent danger.
Non-observance will result in personal injury or death.
Warning!
This symbol indicates a possible fault or danger.
Non-observance may cause personal injury or serious property damage.
Caution!
This symbol indicates a possible fault.
Non-observance could interrupt the device and any connected systems and plants, or result in
their complete failure.
Informative Symbols
Note!
This symbol brings important information to your attention.
Action
This symbol indicates a paragraph with instructions. You are prompted to per form an action or
a sequence of actions.
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VAA-2E2A-KE1-S/E2, VAA-2E2A-KE1P-S/E2
Product Description
2 Product Description
2.1 Intended Use
When used as intended, the AS-Interface safety module allows the operation of sensorcontrolled personal protective equipment up to category 4 and PL e as per ISO 13849 or up to
SIL 3 as per EN/IEC 61508 and EN/IEC 62061 in combination with an appropriately
programmed AS-Interface safety monitor. The safety level of the application is determined
either via a risk analysis, e.g., in accordance with EN 1050, or is taken from a C standard.
2.1.1 Non-secure outputs
Warning!
The outpu ts must not be used for safety-related functions.
2.2 AS-Interface Safety at Work VAA-2E2A-KE1-S/E2 and VAA-2E2A-KE1PS/E2
The VAA-2E2A-KE1*-S/E2 is an AS-Interface safety module with two safety-related inputs and
two outputs. A du al-channel mechanical switch can be connected to the two safety-related
inputs, or a single-channel mechanical switch can be connected to each input. The outputs are
conventional electronic outputs that can have a total load of 1 A (m ax 0.5 A per output). The
housing is only 22.5 mm wide and 48.5 mm tall and takes up little space in the switch cabinet.
The module is mounted by snapping it onto the 35 mm DIN rail in compliance with EN 50022.
An addressing socket is integrated into the module.
The connection is made via plug-in terminals. A four-way (black) terminal block is used for the
inputs. The AS-Interface is connected via a two-way (yellow) terminal block. Each channel has
an LED mounted on the top side of the module to display the current switching status. There is
an LED for monitoring AS-Interface communication and for displaying that the module has the
address 0.
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VAA-2E2A-KE1-S/E2, VAA-2E2A-KE1P-S/E2
+ +
1
122
S
FAULT
AUX
PWR
ADDR
OUT
01
AS-i AS-i
0 1
02
AUX AUX
0 2
S
S+1 S-1 S+2 S-2
Product Description
If single-channel force-guided mechanical switches are connected, the module can be
upgraded to Performance Level c in accordance with EN ISO 13849-1 if wired appropriately
and if the switch is selected accordingly. If a dual-channel force-guided mechanical switch is
connected, the module can be upgraded to Performance Level e in accordance with
EN ISO 13849-1 if wired appropriately and if the switch is selected accordingly. As per the
approval in accordance with IEC 61508 and IEC 62061, a Safety Integrity Level of up to SIL 3
can be reached. Both module inputs are occupied. The two channels belonging to the
mechanical switch are monitored for crossed circuits. Each LED displays the voltage of the ASInterface and the external power supply.
2.3 Peripheral Requirements
Safety Monitor Requirements
The module must only be used as a safety-related slave in an AS-Interface segment with the
corresponding AS-Inter face safety monitor as intended. The AS-Interface safety monitor must
meet the requirements of the "Specification of Safe AS-Interface Transmission" system
specification (version 2.01) dated 05/12/2000.
To evaluate a safety-related function in accordance with a safety standard, all components
found in the function must be evaluated in accordance with this standard.
The wiring and programming of the safety monitor determine whether or not the required safety
function performs correctly. This also applies to the required safety response after a code fault
or failure (see also safety monitor documentation). The safety function (including all safetyrelated sensors) must be checked prior to initial commissioning. The safety monitor PL
category or SIL mu st, as a minimum, comply with the PL category or SIL required by the
application.
Cabling Requirements
The requirements set out in EN/IEC 60204-1 or similar must always be observed. The
requirements for the external cabling and selection of connected sensors are based both on
the level of functionality to be achieved, and on the required category (ISO 13849-1, EN/IEC
61508, or EN/IEC 62061).
Switches or Mechanical Contacts
The switches m ust be positive opening. Combinations of switches that provide an equivalent
level of safety (fault behavior analysis) can be used.
2.4 Connections and Displays
Figure 2.1
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