DH+ and 485 protocol specifications

[Mahidhar 0]

Hi can any one tell me where exactly i can find detailed protocol specifications for DH+ and DH 485?? I need this information for developing driver for my HMI device connecting to rockwell products on DH+ and Dh 485. Advance thanks Mahidhar

[gravitar 3]

Take a look at this and see if it helps: http://www.theautomationbookstore.com/idc/...rm516_-en-p.pdf

[hakko808 0]

If you find it let me know too please.