Connections
PLC300 | 4-7
A
1KR 1KR
B
0 V
(*)
5/12 V
ENC
XC3
+V*
ENC
A
ENC
A
ENC
B
ENC
B
ENC
Z
ENC
Z
ENC
+V*
ENC
0 V
232
TX
232
RX
232
GND
485
A
485
B
485
GND
1
7
4
10
2 85
11 12
13
14
3
9
6
Figure 4.7: PNP encoder connection with signals A and B
4.8 RS-232 INTERFACE
This non-insulated RS-232 serial interface is intended to point-to-point communication.
It was developed for remote connection, through a modem connected to the telephone
line. All the operations performed by the USB via WPS, can be done by this interface, i.e.,
programming, monitoring, setup, etc.
The configuration of this interface is done by the setup menu.
ATTENTION!
Do not connect the GND of the RS232 (pin 11) to the ground of the system.
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