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For your safety

EL1918 and EL1918-220014 Version: 2.0.0

2.3 General safety instructions

This chapter contains safety instructions for handling the product. This product is a safety component as

defined by the Machinery Directive. The product must be installed in a machine or system by the machine

builder and is used to ensure the safety function. Safety components are not required for the functioning of a

machine. However, a failure or malfunction of safety components will result in a hazard to personal safety.

Read the documentation prepared by the machine builder.

2.3.1 Before operation

Use in machines according to the Machinery Directive

Only use the TwinSAFE component in machines that comply with the Machinery Directive. This is how you

ensure safe operation.

For more information see the document [6] under References [}8].

Ensure traceability

Ensure the traceability of the TwinSAFE component via the serial number.

Use SELV/PELV power supply

Use a SELV/PELV power supply unit with an output-side voltage limit of U

max

= 36V

to supply the

TwinSAFE component with 24V

Failure to observe this will endanger the safety function of the product. Depending on the machine, death

and danger to life, serious physical injury and damage to the machine may result.

Carry out commissioning test

Before commissioning, wiring faults to the sensors must be excluded. Before commissioning, carry out a

commissioning test. After a successful commissioning test, you can use the TwinSAFE component for the

intended safety-related task.

In case of wiring errors, the safety function of the product is at risk. Depending on the machine, death and

danger to life, serious bodily injury and damage to the machine may result.

Use permissible engineering tools and procedures

The TÜV SÜD certificate applies to the TwinSAFE component, the function blocks available in it, the

documentation and the engineering tool. Approved engineering tools are TwinCAT 3.1 and TwinSAFE

Loader.

Procedures or engineering tools that deviate from this are not covered by the certificate. This is especially

true for externally generated xml files for the TwinSAFE import.

Beckhoff EL1918 User Manual

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