Appendix
EK1122, EK15xx 69Version: 3.4
8 Appendix
8.1 Safety instructions and behavioral rules for Class 1
laser
CAUTION
Class 1 laser product – danger of accident due to glare!
The following laser-specific behavioral rules are to be followed for the Class 1 laser products described in
this document:
• The laser beam may not be directed toward persons, since accidents may be caused by glare.
• Do not look into the direct or reflected beam.
• If laser radiation meets the eye, the eyes must be consciously closed and the head turned away from the
beam immediately.
• When using the laser, no optical instruments may be used to view the radiation source, since this can
lead to exposure limit values being exceeded.
• Manipulations (modifications) of the laser device are not permitted.
8.2 UL notice
Application
Beckhoff EtherCAT modules are intended for use with Beckhoff’s UL Listed EtherCAT Sys-
tem only.
Examination
For cULus examination, the Beckhoff I/O System has only been investigated for risk of fire
and electrical shock (in accordance with UL508 and CSAC22.2 No.142).
For devices with Ethernet connectors
Not for connection to telecommunication circuits.
Basic principles
Two UL certificates are met in the Beckhoff EtherCAT product range, depending upon the components:
1. UL certification according to UL508. Devices with this kind of certification are marked by this sign:
2. UL certification according to UL508 with limited power consumption. The current consumed by the de-
vice is limited to a max. possible current consumption of 4A. Devices with this kind of certification are
marked by this sign:
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