Leetro BJ-801 User manual

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User Manual for
Laser Power Supply BJ-801
(Updated: May 2010)
Thank you for choosing Leetro’s product.
Leetro keeps all right to vary the specification without further notice.
1. Introduction
This power supply is exclusively designed for CO2laser machine. The output
current can be set by user within the max.
2. Specifications Temperature -10 ～+40 ℃
Working
Environment Condition Moisture ≤85％
Voltage Max DC35KVOutput
Current DC (0～28) mA
Input L, N and PE Wires, 50Hz 220V±10%
Accuracy 2%
Efficiency 95%
Protected Current 28±1mA
Response Time 0.2 ms
Switch O and 1, TTL
Power Adjustment 0～5V analog or PWM signal
Size 245×185×100 mm
Weight Net 3.1 Kg, Gross 3.5Kg
3. Wiring Method
- Connect the RED wire to the laser tube positive end.
- Connect the BLACK wire to the laser tube negative end.
- Details refer to the Port Definition diagrams.

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4. Caution
Keep minimum 100 mm clear space out of the cooling fan!
Be careful with GND connection for the laser machine!
Must connect the RED wire to the laser tube positive end before power on!
Must connect the Neutral wire. Three-end plug should be applied with FG≤10Ω
5. The Port Definition
Port Definition Port Definition
5V Internal +5V H Active-high
IN Power Control, 0～5V analog or PWM AC/L Live wire
G Ground AC/N Working Neutral wire
P Water Protection Switch FG Ground wire
LActive-low
Diagram 1.Wiring and Cooling Fan

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Diagram 2.Mounting Instruction
Remark:
BJ-801 is able to work with 60W CO2laser cube as well.
For 60W laser tube, the wiring method is as same as for 80W’s.
Please be ware of the current as below.
CO2Laser Tube Rated Current (A) Max. Current (A)
80W 26 28
60W 22/23* 25/26*
* The current varies according to the manual of laser tube.
Leetro Automation Co., Ltd
Building 8-B, Dayi Zone of Incubating Hi-tech,
No.1 South 2nd Keyuan Road,
Chengdu 610041, CHINA
www.leetro.com
[e-mail]