UL notice

Application

Beckhoff EtherCAT modules are intended for use with Beckhoff’s UL Listed EtherCAT System 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 CSA C22.2 No. 142).

For devices with Ethernet connectors

Not for connection to telecommunication circuits.

Usage of suitable copper cables

In order to comply with UL approval, use copper cables that are designed for operating temperatures >= 90°C.

External overcurrent protection

External overcurrent protection is required for each input exceeding levels of 30Vrms, 42.4Vpeak or 60Vdc.

Operating of the Beckhoff Terminal EL9260 with Beckhoff Terminal EL1702-0020

Fuses have to be specified as 250Vac/6.3A/size 20x5.2mm as all of these parameters are critical for safety.