Honeywell 公司名称:厦门卡库电气有限公司
是使用使用最多的PLC编程语言。因与继电器电路很相似,具有直观易懂的特点,很容易被熟悉继电器控制的电气人员所掌握,特别适合于数字量逻辑控制。
梯形图由触点、线圈和用方框表示的指令构成。触点代表逻辑输入条件,线圈 代表逻辑运算结果,常用来控制的指示灯,开关和内部的标志位等。指令框用来表示定时器、计数器或数学运算等附加指令。 在 程序中,最左边是主信号流,信号流总是从左向右流动的。
不适合于编写大型控制程序。
Bently Nevada
Bently Nevada
Bently Nevada
NEW BENTLY NEVADA/GE 161957 PIM POWER INPUT MODULE SPARE SERIES 3300 PART 46498
Bently Nevada Power Supply
Part #
BENTLY NEVADA -02 PROBE NEW
BENTLY NEVADA PROBE SENSOR SWITCH NEW
Bently Nevada for Allen Bradley PLC 5 N3
Bently Nevada for Allen Bradley PLC 5 N0
NEW Bently Nevada 3300 Proximitor Sensor
BENTLY NEVADA NSPP
NIB Bently Nevada 7200 Vibration Monitor Meter 0-15 MILL 0-18 V GAP
Bently Nevada Temperature Monitor 350060 Temp
NEW BENTLY NEVADA DUAL VELOCITY CHANNEL MONITOR 3300
Bently Nevada PC Board
BENTLY NEVADA USPP 10
BENTLY NEVADA 2 USPP 20
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