# Is Dynamic c v10.72 bacwards compatible with all Rabbit modules i.e RCM3720?

**URL:** <https://forums.digi.com/t/is-dynamic-c-v10-72-bacwards-compatible-with-all-rabbit-modules-i-e-rcm3720/15415>\
**Category:** Rabbit Software\
**Tags:** dynamic, rabbit\
**Created:** [September 17, 2015, 8:01am UTC](https://forums.digi.com/t/is-dynamic-c-v10-72-bacwards-compatible-with-all-rabbit-modules-i-e-rcm3720/15415 "2015-09-17T08:01:30Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![softserve](https://avatars.discourse-cdn.com/v4/letter/s/9dc877/32.png) [@softserve](https://forums.digi.com/u/softserve)\
**Post date:** [September 17, 2015, 8:01am UTC](https://forums.digi.com/t/is-dynamic-c-v10-72-bacwards-compatible-with-all-rabbit-modules-i-e-rcm3720/15415/1 "2015-09-17T08:01:30Z")

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Is Dynamic c v10.72 bacwards compatible? Can I use it with all Rabbit modules i.e RCM3720?

If not where can I download the correct version to program a RCM3720 core module?

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**Author:** ![Campbell](https://avatars.discourse-cdn.com/v4/letter/c/97f17d/32.png) [@Campbell](https://forums.digi.com/u/Campbell)\
**Post date:** [September 17, 2015, 10:58am UTC](https://forums.digi.com/t/is-dynamic-c-v10-72-bacwards-compatible-with-all-rabbit-modules-i-e-rcm3720/15415/2 "2015-09-17T10:58:34Z")

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Dynamic C 10.72 works with the 4000 and 5000 microprocessor.  
The RCM3720 is a 3000 microprocessor, you will need to download the Dynamic C V9.62 from the link below: Once your on the page go to the section ‘Development Software and Sample Code’  
[http://www.digi.com/support/productdetail?pid=5053&amp;type=documentation](http://www.digi.com/support/productdetail?pid=5053&amp;type=documentation)