Qilin Laser Application Technology BWT20 - Page 28

BWT20 Qilin double swing handheld laser
welding
system
user
manual
V1.0
207/24
Table 2.12 defines the gas control interface
Table 2.12
pin signal defi
niti
on
expl
ain
1 CAS 1+ Used to protect the gas blowing
control positive electrode
Air valve + board
card GAS 1 +
2 CAS 1- Used to protect the gas to blow
the gas to control the negative
electrode
Valvalve-board
card GAS 1-
3 Mpa1 Used to detect the air pressure
alarm
Air pressure
alarm + connecting
plate Mpa 1
4 Mpa2 Used to detect the air pressure
alarm
Air pressure
alarm + connecting
plate Mpa 2
2.13, the dial-code switch