APPENDIX D: RS-485 COMMUNICATION
LW500A/LW600A PULSED Nd:YAG LASER
990-539 D-3
Full-Duplex (Point-to-Point) Configuration (RS-422)
Communicating with a Single Laser
NOTES:
Depending on the RS-232/RS-422 converter, the “+” and “-” designations may be reversed. If
there is trouble communicating with the laser, try reversing the TxD+ and TxD- and/or the RxD+
and RxD- wires on one end only.
The RS-232C/RS-422 conversion adapter is not supplied with the Laser.
Full-Duplex Schematic