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Kwabena Adjei Asafoakaa
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Join Date: Jul 2013
Posts: 1

RN221N

02/16/2014 1:04 PM

I have been using RN221N-A1 from Endress+Hausser. Recently when I requested for some more I was supplied RN221N-A3. I have tried using them but the output signals are displaying asif there is no connection. Can anyone helped me out.
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jack of all trades
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#1

Re: RN221N

02/16/2014 1:12 PM

What do the manual or online application notes say on the subject?

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Epke
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Location: Japan
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#2

Re: RN221N

02/16/2014 8:10 PM

I think you have to make some changes because of the Hart diagnostics, check with your supplier on the diffferences.

http://www.ie.endress.com/eh/e-direct/ie/en/home.nsf/#page/RN221N

Check the technical data tab.

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daffy
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#3

Re: RN221N

02/17/2014 12:19 AM

The data sheet on page 3 (link) suggests that it is a different standard part. I would contact your supplier and ask for a "please explain"
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PWSlack
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#4

Re: RN221N

02/17/2014 3:13 AM

Yep. Anyone at Endress + Hauser's local Technical Helpline can do this. Pick up the phone and make the call.

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DodgySolenoid
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#5

Re: RN221N

02/17/2014 5:54 AM

Can you supply us with a drawing of how the RN221N-A1 was wired up along with how you've wired up the new RN221N-A3, with all terminals identified?
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daffy (1); DodgySolenoid (1); Epke (1); jack of all trades (1); PWSlack (1)

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