BECKHOFF EP-xxxx-xxxx - Manual (Page 6)

Safety instructions
2 EtherCAT Box Modules in potentially explosive areas
1.2 Safety instructions
1.2.1 Delivery state
All the components are supplied in particular hardware and software configurations appropriate for the
application. Modifications to hardware or software configurations other than those described in the
documentation are not permitted, and nullify the liability of Beckhoff Automation GmbH.
1.2.2 Operator's obligation to exercise diligence
The operator must ensure that
 the EtherCAT Box Modules are only used as intended (see chapter Special conditions in potentially
explosive areas).
 the EtherCAT Box Modules are only operated in sound condition and in working order.
 the EtherCAT Box Modules are maintained repaired only by suitably qualified and authorized
personnel.
 the personnel is instructed regularly about relevant occupational safety and environmental protection
aspects, and is familiar with the operating manual and in particular the safety notes contained herein.
 none of the safety and warning notes attached to the EtherCAT Box Modules are removed, and all
notes remain legible.