Main circuit protection board:
ABB Main Circuit Interference Board AINT-14C
Delivery time: 6-8 weeks
WS
1. Programmer
The programmer is used to generate the user program and use it to edit, check, modify and monitor the execution of the user program. The hand-held programmer can not directly input and edit the ladder diagram, but can only input and edit the instruction list program, so it is also called the instruction programmer. It is small in size and cheap in price. It is generally used for programming small PLC, or for on-site debugging and maintenance.
The ladder diagram, instruction list, function block diagram and sequential function diagram can be directly generated and edited on the computer screen by using the programming software, and the mutual conversion of different programming languages can be realized. After the program is compiled, it can be downloaded to the PLC or uploaded to the computer. The program can be saved or printed, and remote programming and transmission can also be realized through the network.
2. Power supply
PLC generally uses 220V AC power supply or 24V DC power supply. The internal switching power supply provides DC 5V, ± 12V, 24V and other DC power for each module. Small PLC can generally provide 24V DC power supply for input circuit and external electronic sensor (such as proximity switch), and the DC power supply driving PLC load is generally provided by users.
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