LW500A/LW600A PULSED Nd:YAG LASER
990-539 D-1
APPENDIX D
RS-485 EXTERNAL COMMUNICATION
SPECIFICATIONS
The “External Communications Specification” can be used to externally read and write settings, monitor
data and display system status of a laser from an external computer. Communication is achieved between
the RS-485 communications port on the laser and the serial port of the external computer. The command
structure is the same for all A-Series Laser models.
Data Transfer Options
1. Transmission Mode: RS-485 compliance, asynchronous, full-duplex
2. Baud Rate 9600 (factory default), 19200, 38400 bps
3. Data Format Start bit: 1
Data bit: 8 (factory default) or 7
Stop bit: 2 (factory default) or 1
Parity bit: Even (factory default)/Odd/none
4. Character Code: ASCII
Communication Settings
The RS-485 communication settings are set in soft switches of the Memory Switch screen from within
the Initialization Screen.
For the MLE-116A Program box: see Chapter 3, Section III, Initialization Screen.
Transmission Mode Settings
The transmission mode (half-duplex or full-duplex) is controlled by a toggle switch on the Main PCB.
ME-1958 / ME-3024 Main CPU Board
Factory Settings:
9600bps
(1) start bit
(8) data bits
(2) stop bits
Even Parity
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