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Chapter 6 Operation Guide
3- Extension Interface
The laser CTRL interface is a high quality DB25 interface that provides a variety
of signals for the functional control of the laser, as described below:
CTRL Interface Definition
Ctrl
Interface Pin
Wire Color
Function
Description
Notes
18
Red
Enable input +
HIGH:20VDC ≤ V ≤24VDC
LOW:0VDC ≤ V ≤ 5VDC
5mA ≤ I ≤15mA
5
Red And White
Enable input -
17
Black
Modulation input +
HIGH:20VDC ≤ V ≤24VDC
LOW:0VDC ≤ V ≤ 5VDC
5mA ≤ I ≤15mA
4
Black And White Modulation input -
16
Yellow
External light +
HIGH:20VDC ≤ V ≤24VDC
LOW:0VDC ≤ V ≤ 5VDC
5mA ≤ I ≤15mA
3
Yellow Black
External light -
15
Green
DA (0-10V) input +
Control laser output power
(
1V-10%
,
10V-100%
)
2
Green And White DA (0-10V) input -
14
Brown
Fault output 1
Dry contact output, ON- fault,
OFF- normal, (contact voltage
V ≤ 30VDC, contact current I ≤
100mA)
1
Brown And White
Fault output 2
19
Blue
In
±Short connection: the laser
normally controls the light
±Disconnected: the laser is
locked and cannot emit light
6
Blue And White
Interlock-
Ground wire
Green Yellow
Ground wire