Wuhan Raycus Fiber Laser Technologies Co., Ltd
User Guide RFL-QCW300/3000
17
Figure 13 Pin Number of DB-25 Interface Connector
Interface wire specification
The minimum wire gage is 18AWG at 15 meters (30 meters maximum regardless of gauge).
The gage of the wire must increase as the distance increases. For connectivity, the wiring and/or
cabling must have an overall shield to ensure proper functionality. The shield is to cover over all
conductors and terminate at the unit where the conductors enter/exit the unit.
Table 4 DB-25 interface connector definition
Pin
Signal Name
Signal Type
Signal Level
Description
1
Supply Return
input
0V
Supply return for house keeping
2
Reserved
Customer connection is not allowed
3
4
5
T Case
output
0.01V/
℃
Case temperature monitor
1
℃
/0.01V
0.25V=25
℃
6
ILD Monitor
output
0-3.3V
Pump current monitor
0V corresponds to 0 current(power)
3.5V corresponds to max. current (power)
7
Emission Control
input
TTL
Positive edge——enables emission
Negative edge——disables emission
8
External Analog
Control
input
0-4.0V
Analog signal, setting the output power in AD
mode:
0V corresponds to 0% power
1V corresponds to 25% power
4V corresponds to 100% power
9
Signal Return
0V
Reference
for
signals
on
pin
5,6,7,8,16,17,19,20,21,22,23,25
10
Reserved
Customer connection is not allowed
11
12
13
受
控
武汉锐科
