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1 Preliminary note

You will find instructions, technical data, approvals and further information using
the QR code on the unit / packaging or at 

www.ifm.com

.

2 Safety instructions

• The unit described is a subcomponent for integration into a system.

– The system architect is responsible for the safety of the system.

– The system architect undertakes to perform a risk assessment and to create

documentation in accordance with legal and normative requirements to be
provided to the operator and user of the system. This documentation must
contain all necessary information and safety instructions for the operator,
the user and, if applicable, for any service personnel authorised by the
architect of the system.

• Read this document before setting up the product and keep it during the entire

service life.

• The product must be suitable for the corresponding applications and

environmental conditions without any restrictions.

• Only use the product for its intended purpose (

Ò

 Intended use).

• If the operating instructions or the technical data are not adhered to, personal

injury and/or damage to property may occur.

• The manufacturer assumes no liability or warranty for any consequences

caused by tampering with the product or incorrect use by the operator.

• Installation, electrical connection, set-up, operation and maintenance of the

product must be carried out by qualified personnel authorised by the machine
operator.

• Protect units and cables against damage.

3 Intended use

The unit is used in instrumentation and control engineering (ICE) for galvanic
isolation of signals, such as 20 mA and 10 V standard signals, or in addition for
adapting and standardising signals. The unit features intrinsically safe circuits that
are used to operate intrinsically safe field units within hazardous areas.

The unit is intended for installation on a 35 mm DIN rail according to EN 60715.

GB

Summary of Contents for N0537A

Page 1: ...Operating instructions Switching amplifiers N0537A N0538A N0539A 80299364 00 02 2021 GB...

Page 2: ...x certificate 4 3 4 Identification 4 4 Installation 4 4 1 Requirements for cables and connection cables 5 4 2 Requirements in case of use as associated equipment 5 4 3 Requirements for use with equipm...

Page 3: ...the corresponding applications and environmental conditions without any restrictions Only use the product for its intended purpose Intended use If the operating instructions or the technical data are...

Page 4: ...G group II category 1G 2G apparatus for gas atmosphere The requirements of the standards EN IEC 60079 0 2018 EN 60079 11 2012 EN 60079 15 2010 are met II 1 D group II category 1D apparatus for dust at...

Page 5: ...The permissible wire cross section must be adhered to In case multi wire conductors are used they have to be crimped with wire end ferrules u Make sure only one conductor per connecting terminal is u...

Page 6: ...ved proof of intrinsic safety 4 3 Requirements for use with equipment protection level Gc The unit may only be installed and operated if installed in a secondary housing that complies with the require...

Page 7: ...1 3 6 2 5 4 1 LED yellow Indication of the switching status output 1 output 2 lights when the corresponding output is switched the relay is en ergised 2 LED red Fault indication for input circuit 1 in...

Page 8: ...is always active S3 must be in position I When mechanical switches are connected the following applies Monitoring active for input circuit no 1 S3 must be in position I Without short circuit monitorin...

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