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Pepperl+Fuchs VAA-2E-G4-SN, Instruction Manual, Page: 7 / 28

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Pepperl+Fuchs VAA-2E-G4-SN Instruction Manual Download Page 7

VAA-2E-G4-SN

Safety

Dat

e 

of

 is

sue  

20.

05.

2005

7

Subject to reasonable modifications due to technical advances.

Copyright Fuchs, Printed in Germany

Fuchs Group • Tel.: G49 621 776-0 • USA +1 330 4253555 • Sin65 67799091 • Internet http://www.pepperl-fuchs.com

2.2

General Safety Instructions

Any other type of operation than what is described in this 
manual places the safety and functionality of the device and 
systems connected to it in question. Only professionals 
trained in electronics are permitted to connect the device 
and to perform maintenance tasks while operation.

If malfunctions cannot be eliminated, the device must be 
taken out of operation and protected from being 
inadvertently placed back info operation.

Repairs may only be performed at the manufacturer's 
facility.

No changes and operations made to the device are 
permitted and will render any warrantee claim void.

The operator is responsible for adhering to local safety 
regulations and directives.

Warning

Note

Summary of Contents for VAA-2E-G4-SN

Page 1: ...FACTORY AUTOMATION INSTRUCTION MANUAL AS Interface Safety at Work VAA 2E G4 SN Version 1 2 ...

Page 2: ... of the Electrical Industry as published by the Central Association of the Elektrotechnik und Elektroindustrie ZVEI e V including the supplementary clause Extended reservation of title We at Pepperl Fuchs recognize a duty to make a contribution to the future For this reason this printed matter is produced on paper bleached without the use of chlorine ...

Page 3: ...ls used in this document 5 2 Safety 6 2 1 Intended use 6 2 2 General Safety Instructions 7 3 General information 8 4 Connections displays and control elements 11 5 Power supply of the modules 16 6 Assignment of the connections 17 6 1 General information 17 6 2 Connection examples 17 7 Operating the modules 23 7 1 Installation 23 7 2 Addressing of the modules 23 7 3 Operation of the AS Interface sa...

Page 4: ...epperl fuchs com Declaration of conformity The AS Interface safety slave for mechanical switches and SN S1N proximity switches VAA 2E G4 SN was developed and manufactured taking into consideration applicable European standards and regulations The manufacturer of the product Pepperl Fuchs GmbH in D 68301 Mannheim has a certified quality assurance program in accordance with ISO 9001 A corresponding ...

Page 5: ...d in this document This symbol indicates a warning about a possible danger Failure to observe this warning may result in consequences ranging from personal injury to death or from damage of equipment to destruction This symbol warns of a possible fault Failure to observe the instructions given in this warning may result in developing a fault or even complete failure of the device and any facilitie...

Page 6: ...afety monitor in accordance with the intended purpose The requirements for external cabling and selection of connected sensors are based on both the functionality to be fulfilled and the required category EN 954 1 ISO 13849 1 This category is determined either with the aid of risk analysis for example in accordance with EN 1050 or from a C standard The category of the safety monitor must correspon...

Page 7: ...unctionality of the device and systems connected to it in question Only professionals trained in electronics are permitted to connect the device and to perform maintenance tasks while operation If malfunctions cannot be eliminated the device must be taken out of operation and protected from being inadvertently placed back info operation Repairs may only be performed at the manufacturer s facility ...

Page 8: ... features When used according to the intended purpose in combination with an appropriately programmed AS Interface Safety at Work safety monitor the AS Interface safety slave described here makes it possible to operate sensorcontrolled personal protection equipment up through Category 4 in accordance with EN 954 1 The safety monitor must be sufficient for the requirements of the system specificati...

Page 9: ...p www pepperl fuchs com Principle of operation The slave generates a code sequence internally This code sequence is monitored by a safety monitor additional bus participant for the correct sequence Transferring the code sequence is affected by the status of externally connected sensors Voltage reference AS Interface chip AS Interface bus Switch 1 Sensor 1 Sensor 2 Code generator Comparator voltage...

Page 10: ...state for example in Emergency Stop without reporting a malfunction If a bit of a code word deviates from the target code word the safety monitor switches the system into the safe state and indicates a malfunction in the slave An input circuit consists of two dynamically controlled comparators that affect 2 of the 4 data inputs of the AS Interface interface component One input for SN S1N proximity...

Page 11: ... one mechanical position switch or a SN S1N proximity switch may be connected to each channel Connections 1 1 Mechanical position switch 1 S 1 1 2 Reserved RES 1 3 Mechanical position switch 1 S 1 2 1 Mechanical position switch 2 S 2 2 2 Reserved RES 2 3 Mechanical position switch 2 S 2 3 1 SN S1N proximity switch 1 S 1 3 2 Proximity switch 1 emulation EM1 3 3 SN S1N proximity switch 1 L 1 4 1 SN ...

Page 12: ...ny 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com 2 mechanical position switches or one two channel position switch 1 mechanical position switch Channel 1 Channel 2 1 1 3 1 1 2 3 2 1 3 3 3 2 1 4 1 2 2 4 2 2 3 4 3 L 1 EM1 L 1 L 2 EM2 L 2 S 1 RES S 1 S 2 RES S 2 Channel 1 Channel 2 1 1 3 1 1 2 3 2 1 3 3 3 2 1 4 1 2 2 4 2 2 3 4 3 L 1 EM1 L 1 L 2 EM2 L 2 S 1 R...

Page 13: ...Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com 2 SN S1N proximity switches 1 SN S1N proximity switch Channel 1 Channel 2 1 1 3 1 1 2 3 2 1 3 3 3 2 1 4 1 2 2 4 2 2 3 4 3 L 1 EM1 L 1 L 2 EM2 L 2 S 1 RES S 1 S 2 RES S 2 Channel 1 Channel 2 1 1 3 1 1 2 3 2 1 3 3 3 2 1 4 1 2 2 4 2 2 3 4 3 L 1 EM1 L 1 L 2 EM2 L 2 S 1 RES S 1 S 2 RES S 2 ...

Page 14: ...pperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com Short circuit terminals The corresponding short circuit terminals 119797 are included with delivery and must be adapted to match the application State as supplied SN jumper Mechanical position switch jumper ...

Page 15: ...D switching state of input channel 1 independent of the sensor technology I2 Yellow LED switching state of input channel 2 independent of the sensor technology FAULT Red LED AS Interface communication error PWR Green LED AS Interface power The yellow LEDs I1 and I2 indicate the status of the dynamic safety code which is forwarded on to the safety motor Since the frequency of the safety code decrea...

Page 16: ...due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com 5 Power supply of the modules The SN module is connected to the AS Interface via the electromechanical EMS interface ...

Page 17: ...es in accordance with the SN specification Pepperl Fuchs are provided for the safety sensors The slave contains two redundantly structured input channels that are independent of each other 6 2 Connection examples The following system requirements must be fulfilled to achieve a safety category Category 2 Testing Connection of two independent mechanical switches of Category 2 Since a short circuit o...

Page 18: ... Category 3 Since a short circuit over the switch is not detected the lines between the safety slave and the switch must be laid with protection against mechanical damage The switch must be positively driven so that it is not possible for the contacts to become fused together The following functional devices can be used in this application while operating the AS Interface safety slave together wit...

Page 19: ... between the proximity switch circuits cannot always be detected they should not be connected by a common multi wire cable unless a cross circuit between the two proximity switch inputs can be excluded by protected wire laying or similar means The following function devices can be used in this application while operating the AS Interface safety slave together with a safety monitor of types VAS 1A ...

Page 20: ...rrors must not result in loss of the safety function Connection of two dependent mechanical switches Since the short circuit over the switch is not detected the lines between the safety slave and the switch must either be laid with protection or must be designed as a four wire line The switch must be positively driven so that it is not possible for the contacts to become fused together VAA 2E G4 S...

Page 21: ...f types VAS 1A K12 U or VAS 2A K12 U to meet the requirements of Category 4 Connection of two functionally dependent SN proximity switches of Category 3 S Since a short circuit between the proximity switch circuits cannot always be detected they must not be connected by a common multiwire cable unless a cross circuit between the two proximity switch inputs can be excluded by protected wire laying ...

Page 22: ... fuchs com The following function devices can be used in this application while operating the AS Interface safety slave together with a safety monitor of types VAS 1A K12 U or VAS 2A K12 U to meet the requirements of Category 4 Two channel positively driven Two channel dependent The function device two channel independent must not be used The cable length between the VAA 2E G4 SN and the sensor is...

Page 23: ...ace master When using the manual addressing device the AS Interface slave is simply plugged into this device and then the adress can be set Addresses from 1 to 31 can be assigned The state as supplied is address 0 7 3 Operation of the AS Interface safety input modules The safety function of the slave is also determined by the monitor The corresponding documentation must be observed In order to ach...

Page 24: ...for achieving safety B The safety related parts of the machine control system and or its components must be designed constructed selected composed and combined in accordance with the applicable standards so that it will be able to withstand effects that are expected If an error occurs it may result in a loss of the safety function by selecting components 1 The requirements of B must be fulfilled U...

Page 25: ...vidual error is detected If an individual error occurs the safety function remains intact Some butnotallerrorsare detected An accumulation of undetected errors can result in loss of the safety function by the structure 4 The requirements of B and the use of tried and tested safety related principles must be fulfilled The control units must be designed so that a single error does not result in the ...

Page 26: ...s Date of issue 20 05 2005 26 Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pepperl Fuchs Group Tel Germany 49 621 776 0 USA 1 330 4253555 Singapore 65 67799091 Internet http www pepperl fuchs com ...

Page 27: ...of the Electrical Industry as published by the Central Association of the Elektrotechnik und Elektroindustrie ZVEI e V v including the supplementary clause Extended reservation of title We at Pepperl Fuchs recognise a duty to make a contribution to the future For this reason this printed matter is produced on paper bleached without the use of chlorine ...

Page 28: ... 330 4253555 Fax 1 330 4 25 93 85 e mail sales us pepperl fuchs com Asia Pacific Headquarters Pepperl Fuchs Pte Ltd P F Building 18 Ayer Rajah Crescent Singapore 139942 Tel 65 67799091 Fax 65 68731637 e mail sales sg pepperl fuchs com www pepperl fuchs com SIGNALS FOR THE WORLD OF AUTOMATION Subject to reasonable modifications due to technical advances Copyright Pepperl Fuchs Printed in Germany Pa...

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