Description
梯形图（LAD）也是IEC61131_3规定的一种图形化组态语言，它起源于传统的由继电器线圈和触点 组成的反映逻辑电路电流状态的逻辑梯形图。梯形图的左右边界线分别称为供电母线和公共母线，梯 級由链接线、触点和线圈等梯形图元素构成。梯形图中同样也可调用功能块，功能块参数定义方法与 FBD中完全一样。梯形图最适于组态逻辑控制功能。
Allen Bradley Operating Coil for Starters or Contactors
Cutler Hammer Assorted Overload Heater Elements NIB NR
SSAC10 AMP On Break Time Delay Relays TRB120A1Y480
National Electronic Quick Heating Thyratron NL-710/6011
Warner Electric Fasco 7162-2575 Linear Actuator U62B1
Eurotherm Single Phase Solid State Contactor 7100L 80A
Allen Bradley Push Button Pilot Switches 800MR-QA24AA
Action IQ DC Input Multi-Channel Isolater Q403-1008 NR
New phd Multi-Motion Actuator 1000-8000 Series NR
