描述
梯形图是使用得最多的PLC的编程语言,其电路符号和表达方式与继电器电路原理图相似,梯形图语言形象直观,易学易懂,熟悉继电器电路图的电气技术人员只需花几天时间就可以熟悉梯形图语言,并用来编制用户程序。梯形图语言实际上是一种面向用户的高级语言,PLC在执行梯形图程序时,将它“翻译”成汇编语言后再去执行。
Swagelok Cajon SS-8-VCR-9 Elbow Pipe Fittings Lot of 20
10 Swagelok Male Connectors 3/8 x 1/2 INC-600-1-8AY New
Swagelok 6LVV-PT1V122P-UU Manifold Valve New
SWAGELOK 6L-LD16-AAXX USPP 6LLD16AAXX
SWAGELOK 6LV-FL1VE2EP1-SS USPP 6LVFL1VE2EP1SS
Swagelok 32″ Water Line Lot 0190-24207 0190-24208 new
SWAGELOK Hydraulic Swaging Unit 1 1/4″ 2000 Series
Swagelok B-8-CN Brass 1/2″ Close Nipple, 130 pieces
SWAGELOK SS-67TF20 60 SERIES BALL VALVE SS67TF20 NIB
Expedited shipping available
LOT OF 45 NEW SWAGELOK UNIONS 710-6-316
Set 75′ Swagelok SS Braided Sup/Ret Hoses/QC8 Fittings