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BWT20 Qilin Wobble Handheld Laser Welding Head
2.12 Gas control and air pressure detection interface
The control box provides a dedicated IO interface, all output IO are OC output can directly
drive the relay, the maximum current can reach to 500mA, the wiring diagram is shown
below.
Figure 2.121 Schematic diagram of the gas control interface
Figure 2.122 Schematic diagram of the air pressure detection interface
Table 2.12 is the definition of the gas control interface
Table 2.12
Pin Signal
Definition
Description
1
CAS 1+
For protect gas blowing control positive Air valve + connecting card GAS1 +
electrode
2
CAS 1- Use to protect the gas to blow the gas to
Air valve-connecting card GAS1-
control the negative electrode
3
Mpa1
For detect air pressure alarm
Air pressure alarm + connecting plate
Mpa1
4
Mpa2
For detect air pressure alarm
Air pressure alarm + connecting plate
Mpa2
Shenzhen Qilin Laser Application Technology Co., Ltd.
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