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Shenzhen RelFar Intelligent Technology Co., Ltd.
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
Instruction
1
GND
Reference ground
—
2
Input4 Underpressure alarm 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.
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