NORD Drivesystems BU0570 - Manual (Page 10)

EtherCAT bus module for NORD frequency inverters SK 5xxE
10 Subject to technical amendments BU 0570 GB-0312
2.2.2 Technical data
Specification
Max. baud rate 100 MBaud
EtherCAT
Electrical isolation 500V
eff
Bus connection 2  RJ45
Bus termination Performed automatically by the SK TU3-… Technology Unit
Cable Ethernet CAT-5 or better
Max. cable length 100m between two Ethernet bus modules
Supply voltage 24V  20%, current consumption ≈ 100mA
Reverse polarity protected
Status display 4 LEDs
Device address via EtherCAT master or setting via 12-pole DIP switches on the rear of the
SK TU3-ECT
PE Connection via plug pins under the 24V supply
Shield The shields of the two RJ sockets are connected together and connected to PE with a
high resistance and capacitance. If several technology units are adjacent to each
other, only one board needs to be connected to the PE.
Table 1 Electrical specifications of the SK TU3-…
2.2.3 Connections
Name Name
45 +24V
46 GND
Table 2 Power supply connections
Signal Name RJ45 Pin
TX+ Transmission Data + 1
TX- Transmission Data - 2
RX+
Receive Data + 3
RX-
Receive Data - 6
Table 3 RJ45 socket connections
Pin 1 Pin 8
24V
GND
SK TU3-…
PE