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Shenzhen RelFar Intelligent Technology Co., Ltd.
2
Auxi.air Protective gas
3
Output1 Green light
4
Output2 Red light
5
Output3 Buzzer
6
OVCC +24V power output
Used for protective gas blowing control
—
—
—
Power supply, maximum output: 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
Instructions
1
GND
Reference ground
—
Underpressure alarm
2
Input4
input
3
Input5 Reserved
—
4
OVCC +24V power output Power supply, maximum output: 500mA
6.13 Galvanometer interface
The system provides two DB9 galvanometer interfaces, one DB9
male and one DB9 female.
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