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COOLMAY EX3G PLC/HMI All in one Programming manual
7
1.3.5 Introduction of each interface and indicator
POWER: Power indicator, connected to the power light
RUN: PLC running status indicator. This light is on when the PLC is running.
COM: touch screen and PLC communication status indicator, when the two communicate, the light is on
Power terminal: The positive and negative terminals of the DC24V switching power supply are respectively
connected to the DC24V and 0V of the power supply terminal.
PLC programming port: two PLC programming ports (MiniB type usb port / RS232), PLC program can be
downloaded through 232 programming line or USB cable download
Touch screen programming port: download touch screen configuration program
USB interface: mainly can be directly inserted into the U disk of the file system FAT 32, can also be inserted
into the mouse.
For other hardware information, refer to
"EX3G Series HMI/PLC All-in-One User Manual"