Wuhan Raycus Fiber Laser Technologies CO., Ltd.
RFL-P70QA Pulsed Fiber Laser User’s Guide V2.1
4
Figure 3 Definition of power line wires
c) Make sure that the interface of the external controller matches the laser and the control cable
is well connected to the laser’s interface. The recommended electrical connection is shown in
Fig. 4.
Figure 4 Schematic of recommended electrical connection
d) The bending radius of the delivery fiber should not less than 15 cm.
3.Control Interface
There are DB9 and DB25 interfaces at the rear of the laser. The DB9 is a RS232 interface
only used for debugging, no needs to connect. And DB25 is the joint interface connecting control
system with the laser device, please make sure the connection is reliable before operating. Feet
of the DB25 are defined as follows in Fig. 5.
24V+
GND
24V-
