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EmonTx Shield with SCT-013-030 (internal burden resistor)

Submitted by TheShadow on Fri, 11/10/2013 - 15:38

Hi,

 

I'm about to buy an emonTx shield.

As I'll be using SCT-013-030 CTs (I already have a few of 'em) which have an internal burden resistor, I'll need to not install / solder the "33R" resistors, right?

 

Thanks for any help!

‹ Certification problem SCT-013-030 ›
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Robert Wall's picture

Re: EmonTx Shield with SCT-013-030 (internal burden resistor)

Submitted by Robert Wall on Fri, 11/10/2013 - 18:51.

You are correct. Those resistors (across the c.t. secondary) are the burden resistors for the -000 (100 A) version. You should omit them, as your burden resistor is inside the c.t. housing.

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TheShadow's picture

Re: EmonTx Shield with SCT-013-030 (internal burden resistor)

Submitted by TheShadow on Fri, 11/10/2013 - 21:57.

Thank you VERY MUCH :)

 

Regards!

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