YDFLP Fiber Laser Installation
Guide and User Manual
File Number: EFLP001-B-E
Shenzhen JPT Opto-electronics Co. Ltd.
Version : V05 Date:2017
12
3. Control and Monitoring Interfaces
3.1 Control Interface
DB25 behind the power module is the interface used to connect the control system (such as
marking machines) to the laser system. Please make sure that the interface is connected firmly
before the operation.
The PIN is defined as shown in Figure 7 and Table 6.
Figure 8 DB25 interface
Table 6 DB25 interface definition of LP1 pulsed fiber laser
DB25 PIN #
Description
1-8
IP0-IP7 Power Control
10-15
GND
Description: PIN10-15 have connected inside fiber laser,only
need to connect control card GND with another Pin
16
，
21
Warning signal
Description: 16 low level, 21 high level: Normal
16 low level, 21 low level: temperature alarm
19
Laser starting signals (PA) shows that high level is just as
open and low level is just as off.
If PIN19 at the high level before add the 24VDC main power
supply, the fiber laser can’t recognize (PA) is on-state
20
Frequency Modulation (TTL)
22
A.
Control the pulse width ENABLE
B.
High Level: Red Beam Turned On;
Low Level: Red Beam Turned Off
