Table 6.11.1
Pin
Signal
Definition
1
OVCC +24V power output
2
Auxi.air Protective gas
3
Output1 Green light
4
Output2 Red light
5
Output3 Buzzer
6
OVCC +24V power output
Description
Power supply, maximum output is 500mA
Used for protective gas blowing control
Power supply, maximum output is 500mA
6.12 CN9 common input interface 2
The CN9 interface is a 4PIN green terminal. Table 6.12.1 shows the
definition of CN9 interface.
Table 6.12.1
Pin
Signal
Definition
Description
1
GND
Reference ground
Underpressure alarm
2
Input4
input
3
Input5 Reserved
4
OVCC +24V power output Power supply, maximum output is 500mA
6.13 Galvanometer interface
The system provides two DB9 galvanometer interfaces (DB9 male
connector and DB9 female connector), and the user can carry out
mutual insertion directly.
24
    "