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Shenzhen RelFar Intelligent Technology Co., Ltd.
6.9 CN6 external start and safety lock interface
CN6 interface is a 4PIN green terminal. Table 6.9.1 shows the
definition of CN6 interface.
Table 6.9.1
Pin
Signal
Definition
Instructions
Generally connecting to the start button switch on
1
GND Reference ground
the welding head-
External start switch Generally connecting to the start button switch on
2
Start
input
the welding head+
The pin must be connected to the safety clamp and
Safety clamp signal
3
Injector
the safety clamp shall be clamped onto the metal
input
material before welding.
The pin must be connected to the nozzle of the
Safety clock signal
4
Interlock
handheld head. The nozzle touches the metal
input
material at the moment of welding.
6.10 CN7 common input interface 1
The CN7 interface is a 6PIN green terminal and of NPN type. Table
6.10.1 shows the definition of CN7 interface.
Table 6.10.1
Pin
Signal
Definition
Instructions
1
GND
Reference ground
—
Water-cooling
2
Cool
machine alarm input
3
GND
Reference ground
—
4
Input1 Reserved
—
5
Input2 Reserved
—
6
Input3 Reserved
—
6.11 CN8 common output interface
The CN8 interface is a 6PIN green terminal. The OC output can be
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