B WT20C Qilin double swing handheld laser cleaning system user
2.11 Gas control and air pressure detection interface
(note: special welding interface)
The control box provides a dedicated IO interface, all output IO can use OC output to
directly drive the relay, the maximum current can reach
500 mA, the wiring diagram is shown below.
Figure 2.11.1, schematic diagram of the gas control interface
Figure 2.11.2, Schematic diagram of the air pressure detection interface
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