Table of Contents
6-2-3 Connection
Connection method
Connect the code reader to the RS-232C port on the controller.
• Do not connect to other than three lines RxD (RD), TxD (SD) and GND to the laser marker.
• Use the RS-232C cross cable to connect the code reader and laser marker, referring to the example below.
Connection example
Laser marker
RS-232C port
Terminal No.
Signal
TxD
2
RxD
3
GND
5
D-sub 9-pin female
• For RS-232C port specifications, refer to "5-2 RS-232C" (P.140).
168
Code reader
RS-232C port
Laser marker side connector
specifications: D-sub 9-pin female
Example of connection cables
Terminal No.
2
3
5
D-sub 9-pin male
Rear of controller
Terminal No.
Cross cable
2
3
5
D-sub 9-pin male
ME-LPRH-SM-3
Code reader side
Example of RS-232C port
Terminal No.
Signal
TxD
2
RxD
3
GND
5
D-sub 9-pin female
Table of Contents
Troubleshooting
