自PLC诞生以来，PLC厂商如雨后春笋般崛起，如今市场种类繁多的品牌让人看的眼花缭乱。
Since the birth of PLC, PLC manufacturers have mushroomed, and the wide variety of brands in the market today is dazzling
那么今天我们就来盘点一下那些有代表性的品牌PLC编程软件！
So today we will take stock of those representative brand PLC programming software!
中系-台达-ISPSoft
日系-三菱-GX Works2/GX Works3
德系-西门子-TIA Portal（博途）
中日德系列PLC的优缺点对比：
Comparison of advantages and disadvantages of Sino-Japanese German series PLC:
台达：
优点：操作界面简洁，梯形图编程触点插入人性化
缺点：指令较少，功能块引脚不能插入触点
Advantages: The operation interface is simple, and the ladder diagram programming contact insertion is humanized
Disadvantages: Fewer instructions, function block pins can not be inserted into the contact
西门子：
优点：严谨性强
拖放功能真的“香”
系统诊断功能很强大
缺点：编程理念与日系不同，入门方面需要花大量时间。
Advantages: strong rigor
Drag and drop function really "incense"
The system diagnostics are powerful
Disadvantages: The programming concept is different from the Japanese system, and it takes a lot of time to get started
三菱：
优点：有着丰富的指令库
缺点：软件操作不友好，界面可视化不够完美。
Advantages: Has a rich command library
Disadvantages: The software operation is not friendly, and the interface visualization is not perfect.
