Chapter 1 electro mecha device part 4

D. Protection Circuit (Relays) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Different types of coil transient suppression

Coil transient suppression..cont. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pressure switch ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NC Pressure switch NO Pressure switch

Pressure switch application ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example pressure switch. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Diaphragm

Example pressure switch..cont. - Cylindrical device with several deep fold which expand or contract when pressure is applied. -The expanding bellow moves against spring mechanism which operate elect. contact when source pressure increase. -can use for pressure up to 500psi. Bellows

Example pressure switch..cont. - Move back & forth in a tight fitting chamber by pressure applied in a chamber. -Design for high pressure application of 10,000psi Piston

Limit Switch ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],NO limit switch NC limit switch

Reed Switch ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BREAK TIME ! ,[object Object],[object Object]

Chapter 1 electro mecha device part 4

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Chapter 1 electro mecha device part 4