HI, MI, WI-700 service manual - 2 - component parts
2-5 Issue 9 04/2020
PC main board - Type LV-67P - COM 3 & 4
A cable form plugged into the main board (COM 3 & COM 4) is attached to two DB9 connectors which
are mounted beside the Ethernet switch
These COM ports can be
used for an additional
serial interface.
Typically COM 3 is used
for a Sleever interface
COM 4 used for HS servo
indexer unit
Serial port interfaces
Pin Signal Pin Signal
1 DCX 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 Set by JP2 10 Key
COM 1 : RS 232 DB9 connector COM 2 : RS 232/422/485 DB9 connector
Pin Signal Pin Signal
1 DCD/422TX-
/485-
2 RXD/422TX+
/485+
3 TXD/422RX+ 4 DTR/422RX-
5 GND 6 DSR
7 RTS 8 CTS
9 Set by JP1
Note: Use JCSEL1 and JCSEL2 to select
communication mode - see following page
Pin Signal Pin Signal
1 DCD1 2 RXD1
3 TXD1 4 DTR1
5 GND 6 DSR1
7 RTS1 8 CTS1
9 RI1 10 NC
11 DCD2 12 RXD2
13 TXD2 14 DTR2
15 GND 16 DSR2
17 RTS2 18 CTS2
19 RI2 20 Key
CN_COM3/4, 5/6: RS232 20-Pin header
Jumper settings Function
1-2 5v
3-4 12v
5-6 RI (Default)
JP1, JP2: COM1, COM2 pin-9 setting
Effective patterns of connections: 1-2 / 3-4, 5-6
Other may cause damage
To Next Page
Loading...