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Wireless Sensors Systems

deetergroup

Hello Everyone,

 

Its nice to be here.

 

Right, I have a question, and I would love to know your thoughts on it.

 

Wireless sensors systems, do you believe that companies are avoiding them because wireless has the label of being "unreliable" with all the general problems that people seem to have with laptops and mobile phone not always have a perfect signal?

 

Or do you think the problem is more security related, the fact that they would worry they are sending important information via the airwaves?

 

Lets face if, if you have a factory complex that covers a few square miles are you really going to want to play with structured cabling and, if you have industrial equipment, the worry of someone cutting a line between buildings? Lets face it, this sort of thing has happened and will continue to happen, and we would all dearly love to go wireless completely, think about it, just pick up your device and bingo you have what you want, or you can do what you want, all because it is there.

 

So, tell me, what do you think?

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  • I also read your blog and have a bit of a background in this area. While I don't necassarily agree with all of what Miki says, I do agree with most, and reliability is rightfully pointed out. I also agree with DAB and perhaps what you need is a really good, long term 'reference' that you can point to as a working solution.

     

    One of the projects I worked on did (almost) the same thing you have but we installed it for free along side of a working current loop design and ran a backend system that allowed the entire company (actually it was a city) the ability to browse real time stat's. The benefit of our system was actually born out in a few months but it did take a few months! We re-coup'd our investment when they bought follow on systems.

     

    A couple of comments on your blog post; First, I'm not sure what the limiting factor 'in' your system is but the piece I helped on it was critical to have very good temperature performance. That product was being installed outside and needed at least -30C although our target was -40C. Tough with Radio's I know.

     

    Second, our packaging was important on the networking master side. It had to be DIN rail mountable and field installable - so terminal blocks were important to the client. I'm not sure I agree with the terminal blocks but it fit in with what the installers were already familiar with. Ultimately we went to 'M' type of connectors.

     

    Anyhow, that's my 0.02 worth. Hope that helps (in some small way)

Reply

  • I also read your blog and have a bit of a background in this area. While I don't necassarily agree with all of what Miki says, I do agree with most, and reliability is rightfully pointed out. I also agree with DAB and perhaps what you need is a really good, long term 'reference' that you can point to as a working solution.

     

    One of the projects I worked on did (almost) the same thing you have but we installed it for free along side of a working current loop design and ran a backend system that allowed the entire company (actually it was a city) the ability to browse real time stat's. The benefit of our system was actually born out in a few months but it did take a few months! We re-coup'd our investment when they bought follow on systems.

     

    A couple of comments on your blog post; First, I'm not sure what the limiting factor 'in' your system is but the piece I helped on it was critical to have very good temperature performance. That product was being installed outside and needed at least -30C although our target was -40C. Tough with Radio's I know.

     

    Second, our packaging was important on the networking master side. It had to be DIN rail mountable and field installable - so terminal blocks were important to the client. I'm not sure I agree with the terminal blocks but it fit in with what the installers were already familiar with. Ultimately we went to 'M' type of connectors.

     

    Anyhow, that's my 0.02 worth. Hope that helps (in some small way)

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