General Safety Instructions; Before Operation - Beckhoff EL1918 Operation Manual

For your safety
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
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.
14
.
DC
Version: 2.0.0
= 36 V to supply the
max DC
EL1918 and EL1918-2200