HESG330184R1 ES1844C ABB

ABB HEIA303892R1 ED1251A
ABB HEDT300813R1 ED1633
ABB HEDT300340R1 ED1780A
ABB HEDT300272R1 ED1782
ABB BC810K01 3BSE031154R1

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Description

当开启或关闭电动阀门时,根据阀门开启、关闭时间不同,设置延时时间,经过延时检测开到位或关到位信号,如果这些信号不能按时准确返回给PLC,说明阀可能有故障,做阀故障报警处理。程序设计如图5所示。X2为阀门开启条件,Y1为控制阀动作输出,定时器定时时间大于阀开启到位时间,X3为阀到位返回信号,R1为阀故障位。

VUTEk 3360 Controller Board Assy AA90206 Rev B NEW

Emerson Force PowerCore CPCI-6750/128S-​400-L

Motorola STARLINE SG2000 Optical Node 415239-333-00 NEW

Alcatel 3AL97690AA LC-ESC board NEW

lot 520 iKANOS Fusiv IKF68331-A1-PB1​-C chips $4/each