2 Assembly and installation
BU 0540 EN-1516
27
Plug connector block X11 – RS485 / RS232
Relevance
SK 500E
SK 505E
SK 510E
SK 511E
SK 515E
SK 520E
SK 530E
SK 535E
√
√
√
√
√
√
√
√
Terminals X11:
1
2
3
4
5
6
RS485 A + RS485 A-
GND
232 TXD 232 RXD
+5V
Name
Contact Function
[factory setting]
Data
Description / wiring suggestion
Parameter
Note:
Coupling of two frequency inverters via the RJ12 socket must only be made via the USS BUS (RS485). Care must be taken that
no connection to the data cable
is possible via RS232
, in order to prevent damage to this interface.
1
Data cable RS485
Baud rate
9600…38400 Baud
Terminal resistance
R=240
Ω
DIP 1 (see below)
RS
485_
A
RS
485_
B
GN
D
TX
D
RX
D
+5V
RJ12: Pin No. 1 … 6
P503
P509
2
3
Reference potential
for bus signals
(must always be
wired!)
0 V digital
4
Data cable RS232
Baud rate
9600…38400 Baud
5
6
Internal 5V supply
voltage
5 V
±
20 %
optional
Adapter cable
RJ12 to SUB-D9
for RS232
communication
for direct connection
to a PC with NORD
CON
Length 3 m
Assignment of the SUB-D9
plug socket:
RXD
0V
TXD
6
1
5
9
TxD
RxT
GND
+ 5V
n.c.
n.c.
Part No. 278910240
DIP switch 1/2 (top side of frequency inverter)
DIP-1
Termination resistor for RS485 interface
(RJ12); ON = switched in
[Default = "OFF"]
For RS232 communication DIP1 to "
OFF
"
X11
X10
X9
RS
485_A
RS
485_
B
GN
D
TXD
RX
D
+
5V
1 2
ON
CA
N
_H
CA
N
_L
CA
N
_G
N
D
nc
CA
N
_S
H
LD
CA
N
_G
N
D
nc
CA
N
_24V
CA
N
_H
CA
N
_L
CA
N
_G
N
D
nc
CA
N
_S
H
LD
CA
N
_G
N
D
nc
CA
N
_24V
ab SK 511E
RS232/485
DIP CAN/CANopen
DIP 2
Terminal resistor for CAN/CANopen interface
(RJ12); ON = switched in
[Default = "OFF"]
Pos: 93 /Anl eitungen/Elektroni k/FU und Starter/2. M ontage und Install ati on/El ektrischer Anschluss/SK 500E/2.10.5 Elektrischer Anschl uss Steuerteil- Kl emmenblock X12 – 24V [SK 500...535E] @ 2\mod_1354115094116_388.docx @ 51738 @ 5 @ 1
