NORD Drivesystems BU0590 - Manual (Page 10)

PROFINET bus module for NORD frequency inverters SK 5xxE
10 Subject to technical amendments BU 0590 GB-0312
2.2.2 Technical data
Specification
Max. baud rate 100 MBaud
PROFINET IO
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 ≈ 150mA
Reverse polarity protected
Status display 4 LEDs
Device address via the PROFINET IO controller or parameterisation
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-PNT
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