LION microPLC
▪
Initial Operation – Hardware
29
8.3
USB Interface - X5
8.4
Serial Interface - COM - X4
The serial interface can be programmed by MULTIPROG and can only be used
for applications and communication There are three different serial interfaces
available: RS232, RS422 or RS485. You can get only one of the serial interfaces
on the microPLC.
RS232
Do not connect any consumers or other devices to the USB interface!
Damage to the connected devices or the microPLC cannot be ruled out.
It is not possible to program or parameterize the microPLC over the serial
interface RS232, RS422 or RS485.
The serial Interface can be programmed
out of MULTIPROG. The access to the serial Interface is only possible by the
user specific application software.
1. Connect the microPLC with a
suitable cable. “Hot Plugging“ is
possible.
Pin
Signal
Description
Connector
Housing
PE
Protective
Earth
1
NC
Not connected
2
RXD
Receiving
Data
3
TXD
Transmitting
Data
4
NC
Not connected
5
GND
0 V Potential
6
NC
Not connected
7
RTS
Request to
Send
8
CTS
Clear to Send
9
NC
Not connected
Fig. 7: Serial Interface (male) SUB-D, X4,
RS232
*1'
93RWHQWLDO
7;'
7UDQVPLWWLQJ'DWD
5;'
5HFHLYLQJ'DWD
&76
&OHDUWR6HQG
576
5HTXHVWWR6HQG
The serial interfaces RS422 and RS485 can only be configured ex works.