Page 23 of 47

LFS-PM-T43 Live Focus System Operating Manual V1.3
Cutting type Gas channel of punching Gas channel of cutting
Non-metal
Air
Metal
Low-pressure
High-pressure
3.1.1 Sensor Interface
This interface is to connect the amplifier and distance controller.
When installing the amplifier, the shield of the amplifier should be have good conduction with the
laser head (sensor and nozzle). There a wiring terminal on the shield of the amplifier. User can connect
the terminal to the laser head. The metal sheet should still have a good conduction with the machine. Or
the capacity sensor will not work normally.
3.1.2 CN1----RS232 Interface
PIN
PIN 1
PIN 2
PIN 3
SIGNAL
TXD
RXD
GND
DEFINITION
Send data
Receive data
GND
DESCRIPTION
—
—
—
3.1.3 CN2----Analog Interface
PIN
PIN1
PIN2
PIN3
SIGNAL
AGND
Analog In
Analog Out
DEFINITION
Analog GND
Analog input
Analog output
DESCRIPTION
—
Input scale：0—10V
Output scale：0—10V
SHENZHEN RUIDA TECHNOLOGY
16
    "