2 Assembly and installation
BU 0500 GB Subject to technical alterations 39
Terminal Function
[factory setting]
Data Description / wiring suggestion Parameter
Plug block X11 (1x RJ12), RS485/RS232
1 RS485 A
2 RS485 B
Data cable RS485
Baudrate
9600…38400Baud
Terminal resistance
R=120Ω DIP 1 (see
below)
3 GND Reference potential
for Bus signals
0V digital
4 232 TXD
5 232 RXD
Data cable RS232
Baudrate
9600…38400Baud
6 +5V internal 5V supply
voltage
5V ± 20%
RS485_A
RS485_B
GND
TXD
RXD
+5V
RJ12: Pin No. 1 … 6
P502...P513
optional Adapter cable
RJ12 to SUB-D9
... for direct
connection to a PC
with NORD CON
Length 3m
Assignment RS 232
(RxD, TxD, GND)
TxD
RxT
GND
+ 5V
n.c.
n.c.
Mat. No. 278910240
DIP switches 1/2 (top side of SK 5xxE)
Plug designation
DIP switch 1
Terminal resistor for RS485 interface
(RJ12); ON = switched in
DIP switch 2
Terminal resistor for CAN/CANopen
interface (RJ12); ON = switched in
X11 X10 X9
RS485_A
RS485_B
GND
TXD
RXD
+5V
1 2
ON
CAN_H
CAN_L
CAN_GND
nc
CAN_SHLD
CAN_GND
nc
CAN_24V
CAN_H
CAN_L
CAN_GND
nc
CAN_SHLD
CAN_GND
nc
CAN_24V
RS232/485 DIP CAN/CANopen
Plug block X9 and X10 (2x RJ45), CAN/CANopen (only SK 520ExE/530E)
1 CAN_H
2 CAN_L
CAN/CANopen
signal
3 CAN_GND CAN GND
4 nc
5 nc
No function
6 CAN_SHD Cable shield
7 CAN_GND GND/0V
8 CAN_24V External 24V DC
supply voltage
Baudrate …500kBaud
2x RJ45 sockets are
connected in parallel
internally.
Terminal resistance
R=120Ω DIP 2 (see
below)
NOTE: To operate
CANbus/CANopen the
interface must be
externally supplied with
24V (capacity 30mA).
NOTE: Further details
about the connection
can be found in Chapter
2.11 RJ45 WAGO
connection module.
CAN_H
CAN_L
CAN_GND
nc
CAN_SHLD
CAN_GND
nc
CAN_24V
CAN_H
CAN_L
CAN_GND
nc
CAN_SHLD
CAN_GND
nc
CAN_24V
2x RJ45: Pin No. 1 … 8
NOTE: For SK 53xE frequency
inverters this CANopen interface can
be used for the evaluation of an
absolute value encoder. Further details
can be found in Handbook BU 0510.
P502...P515
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