描述
在PLC的编程语言中，梯形图是最为广泛使用的语言，通过PLC的指令系统将梯形图变成PLC能接受程序，由编程器键入到PLC用户存储区去。而梯形图与继电器控制原理图十分相似，主要原因是PLC梯形图的发明大致上沿用户继电器控制电路的元件符号
Toshiba Tosvert VT130H1U4270BOH Inverter Drive 25 HP
Square D Circuit Breaker MHP36600 MHP 600Amp A 600A 600
Westinghouse Breaker NB NB31200F 1000 Amp A 1000Amp
ITE I-T-E Circuit Breaker KP3-F120 KP3B800 800Amp 800 A
Square D I-Line Main Lug Panelboard 225Amp 600V 3P 4W
Square D LX I-Line Breaker 100 Amp A LX36100G LX36100
Sew Eurodrive Movidrive MDF60A0110-5A3-4-00 16.8kVA
Allen Bradley Powerflex 700 20BD011A0AYNANB0 7.5HP NIB
Cutler Hammer C-H Advantage W240M4CFC Size 4 Starter CH
Kollmorgen PSR4/5A-220 Servo Power Supply PSR45A220 PSR
Yaskawa CIMR-11WS.P 15kVA Varispeed 676 200V VS Drive
Yaskawa CIMR-37B.T 230V Series AC Drive CIMR37B.T
Square D 8538/SFG13 Size 4 Fusible Combination Starter
Xycom 3410 T 301412001300P Interface 513332-F-95
