relay normally open
node
A
Other Reserved
No access
Note:
①
Ext Red EN: When this signal is high, the laser will output red light; when the laser is
outputting laser, it will automatically cut off the red-light output. When this signal is low,
the laser will not output red light.
②
EXT_ON/OFF: External control on/off control signal of laser main power supply. When the
signal is low or suspended, the laser works normally; when the signal is high, the main power
supply of the laser does not work and the laser is in the standby state.
③
Ext Red Always: This signal is a combined signal; when this signal is at high level and EXT Red
EN is at high level, the laser always keeps red light output.
④
The light signal and alarm signal are relay output, providing passive normally open and
normally closed nodes.
3.2.2
DB9 serial port control interface
DB9 serial port control interface, interface pin definition:
RS-232 serial port definition
Pin number
Definition
2
RX
3
TX
5
GND
Other
NC
3.3
Rear panel function
Laser rear panel: