10
Guangcheng Technology
GCAN-PLC user manual
Terminal
RJ45 number
DB9 number
Meaning
RS232_TX
3
2
RS232 data send
RS232_RX
6
3
RS232 data receive
GND
4
5
Signal ground
8
7
RS485
RS485_B-
1
8
RS48 signal B-
Table 2.1
RS232 and RS485 interface definition of GCAN-PLC-510
Figure 2.7
CAN bus terminal block of GCAN-PLC-510
Terminal
Serial number
Meaning
CAN-H
1
CAN bus-high
SHIELD
2
Shield
CAN-L
3
CAN bus-low
CAN-G
4
CAN bus-GND
Table 2.2
CAN bus terminal definition of GCAN-PLC-510
The power wiring terminal block of GCAN-PLC-510 is shown in
Figure
2.8
, and its interface definition is shown in Table 2.3. The power supply part of
GCAN-PLC-510 contains 8 terminals.
Note that: connecting between terminal 3 and terminal 4, terminal 5 and
terminal 6, terminal 7 and terminal 8 inside the module.