Cabling

Power supply

Contact assignment of the spring loaded supply connector

Cabling 1:
CU20xx – Supply connector

NOTICE

Cabling 2:

UL requirements

If terminals certified with restrictions are used, then the current consumption at 24 VDC must be limited accordingly by means of supply
• from an isolated source protected by a fuse of max. 4 A (according to UL248) or
• from a voltage supply complying with NEC class 2.

An NEC class 2 voltage source must not be connected in series or parallel with another NEC class 2 voltage source! These requirements apply to the supply of all Bus Couplers, power supply terminals, Bus Terminals and their power contacts.

NOTICE

Cabling 3:

UL requirements

In order to comply with UL requirements, the EtherCAT components must not be connected to unlimited voltage sources!

Permissible cable cross-sections of the supply connector

The 3-pin supply connector is connected using push-in wiring.

The following cable cross-sections are permitted:

Device

CU15xx

Solid conductor

0.14 ... 1.5 mm2 (AWG26-14)

Fine stranded conductor

0.14 ... 1.5 mm2 (AWG26-14)

Fine stranded conductor; with ferrule with plastic collar

0.14 ... 1.5 mm2 (AWG26-14)

Stripping length

8 ... 9 mm

Ethernet

Pin configuration of the RJ45 sockets

Cabling 4:
Pin configuration of the RJ45 sockets