RS485 shield

Dear all.

I have recently purchased

https://www.sparkfun.com/products/11959 rs 485 shield. I wanted to implement mod bus protocol slave over this . Can some suggest me the Where i can get Working library for mod bus Slave.

If any one here already tested some trial code on shield share it.

Google must be broke in Delhi…

Yes it might broke Here. I have already tested some code Which are not working on it.If someone has already tested I would like to know from which link they downloaded.