Nord Drivesystems SK 300P Series - Diagnostic Connection

2 Assembly and installation
BU 0800 en-4521 39
2.7 Diagnostic connection
The frequency inverter is equipped with an RJ12 diagnostic interface (1). Either a PC, a Bluetooth
stick or a manual control unit can be connected here via RS 232/ RS 485.
Communication
interface
Device connected to different communication tools
24 VDC ± 20% RS 485 (For connecting a parametrisation box)
9600 … 38400 Baud
Terminating resistance (1 kΩ) fixed
RS 232 (For connecting to a PC (NORD CON))
9600 … 38400 Baud
1
RS485 A+
Data cable RS485
P502…
2
RS485 B-
Data cable RS485
P513 [-02]
3
GND
Reference potential of bus
signals
4
RS232 TXD
Data cable RS232
5
RS232 RXD Data cable RS232
6
+24 V
Voltage output
1 - 2 - 3 - 4 - 5 - 6