BECKHOFF CX50x0 - Manual (Page 14)

Components from Beckhoff
10 CX50x0 units in potentially explosive areas
4.2 Components from Beckhoff
The marked components from Beckhoff Automation GmbH fulfill the requirements of the ATEX directive
94/9/EC for the use of equipment as intended in Zone 2 areas at risk of gas explosions. The fundamental
health and safety requirements are fulfilled by compliance with the following standards:
 EN 60079-0
Explosive atmosphere – Part 0: Equipment – general requirements
 EN 60079-15 Explosive atmosphere – Part 15: Equipment protection by type of protection “n”
4.3 Marking of equipment
The areas where the equipment may be used, the constructive safety level to which the equipment is certified
and the material group in which the equipment may be used must be recognizable on the basis of adequate
marking of the equipment. The following illustration shows the marking of equipment for zone 2. The individual
elements of the marking are explained in the remainder of this document.