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B WT20C Qilin double swing handheld laser cleaning system user
Table 2.11 defines the gas control interface
Table 2.11
pin
signal
defi
niti
on
expl
ain
1
CAS 1+ Used to protect the gas blowing Air valve + board
control positive electrode
card GAS 1 +
2
CAS 1- Used to protect the gas to blow Valvalve-board
the gas to control the negative card GAS 1-
electrode
3
Mpa1 Used to detect the air pressure Air pressure
alarm
alarm + connecting
plate Mpa 1
4
Mpa2 Used to detect the air pressure Air pressure
alarm
alarm + connecting
plate Mpa 2
2.12, the dial-code switch
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