Mounting and cabling
EP8309-1022
44
Version: 2.0.0
4.2.6
UL Requirements
The installation of the EtherCAT Box Modules certified by UL has to meet the following requirements.
Supply voltage
CAUTION
CAUTION!
This UL requirements are valid for all supply voltages of all marked EtherCAT Box Mod-
ules!
For the compliance of the UL requirements the EtherCAT Box Modules should only be sup-
plied
• by a 24 V
DC
supply voltage, supplied by an isolating source and protected by means of
a fuse (in accordance with UL248), rated maximum 4 Amp, or
• by a 24 V
DC
power source, that has to satisfy
NEC class 2
.
A
NEC class 2
power supply shall not be connected in series or parallel with another
(class 2) power source!
CAUTION
CAUTION!
To meet the UL requirements, the EtherCAT Box Modules must not be connected to unlim-
ited power sources!
Networks
CAUTION
CAUTION!
To meet the UL requirements, EtherCAT Box Modules must not be connected to telecom-
munication networks!
Ambient temperature range
CAUTION
CAUTION!
To meet the UL requirements, EtherCAT Box Modules has to be operated only at an ambi-
ent temperature range of 0 to 55°C!
Marking for UL
All EtherCAT Box Modules certified by UL (Underwriters Laboratories) are marked with the following label.
Fig. 35: UL label
Содержание EP8309-1022
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