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difference between Galvenic Isolation & Optical isolation

4/25/2012 11:13 AM	Rate (0)
RAJKIRAN Silver Member Joined: 8/18/2009 Last visit: 6/6/2025 Posts: 557 Rating: (33)	Dear Expert, I have seen some I/O module with Galvenic Isolation & Optical Isolation. what is difference between them & which application they required specifically.
	Rajkiran Patil
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4/25/2012 11:25 AM	Rate (0)
Marcjan Platinum Expert Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, Optical isolation is one way to create Galvanic isolation, relais transformers, capasitors are another way. It's used to separate 2 circuits electricaly i.e. when you want to switch 230V with 24V outputs you use relais for isolation. Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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4/25/2012 11:34 AM	Rate (0)
RAJKIRAN Silver Member Joined: 8/18/2009 Last visit: 6/6/2025 Posts: 557 Rating: (33)	means optical isolation is part of Galvenic isolation? In Optical isolation by LED & optodetector separate two ckt In Galvenic isolation where we get more information....how this separate two ckt.
	Rajkiran Patil
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4/25/2012 5:32 PM	Rate (0)
Amit_86 Platinum Member Joined: 3/18/2008 Last visit: 12/8/2023 Posts: 1750 Rating: (272)	RAJKIRAN Dear Expert, I have seen some I/O module with Galvenic Isolation & Optical Isolation. what is difference between them & which application they required specifically. Dear Rajkiran, Are you talking about siemens i/o modules? Where did you see such information?
	VANDE MATARAM.....
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4/25/2012 5:53 PM	Rate (2)
Lucky123 Gold Member Joined: 12/20/2008 Last visit: 7/15/2025 Posts: 556 Rating: (237)	RAJKIRAN Dear Expert, I have seen some I/O module with Galvenic Isolation & Optical Isolation. what is difference between them & which application they required specifically. Please see thisthread. For detailed information, please followthis link. I hope this resolves your query, let me know if you still need more info.

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This contribution was helpful to 2 thankful Users Ton Verra Bestechguy