TM (temperature alarm indicator)-the red indicator light is on when the laser temperature
exceeds the set range; TE (temperature control alarm indicator)-the red indicator light is on
when the temperature control alarms.
④ RS
-232 interface-connect an external serial cable for laser working mode setting, operation
control and working status monitoring.
⑤ DB25 interface
-connect an external cable for laser working mode setting, operation control
and working status monitoring.
3.2
Interface Definition
3.2.1
DB25 control interface
DB25 is a multi-function multiplex port. The user can set the laser working mode, input analog
voltage signal, and is also the output port for light signal and fault signal.
PIN
Name
Function
Voltage electric
1
In
Input Chain
Enable
0V
/
Prohibition Hanging
/
2
EXT Laser EN
Input
External control light Enable
5V
<1mA
Prohibition
0V
/
3
MODE_CHS
Input
Internal and external
control mode
selection
External
control
5V
<1mA
Internal
control
0V
/