Email: Password: Remember Me | Create Account (Free)

Back to Subject List

Old thread has been locked -- no new posts accepted in this thread
???
05/16/08 14:24
Read: times


 
#154821 - I agree
Responding to: ???'s previous message
Like Erik says get rid of the OE, it's really not necessary or desirable to use it.

Implement a Master / Slave arrangement, each slave should only respond if it recognises it's unique address, the slaves are NEVER allowed to initiate communications, only respond to requests from the master. Look at ModBus for example.

And READ the information already indicated by Erik, it will help a lot to avoid the potential pitfalls.

List of 18 messages in thread
TopicAuthorDate
RS            01/01/70 00:00      
   Sorry about the subject-- I should ahve typed            01/01/70 00:00      
   how do you expect that to work?            01/01/70 00:00      
      Send slave ID again..            01/01/70 00:00      
      one transmitter            01/01/70 00:00      
         maybe            01/01/70 00:00      
   Keep in mind that RS485 also...            01/01/70 00:00      
      I'd get rid of the "OE"            01/01/70 00:00      
         I agree            01/01/70 00:00      
         more to add            01/01/70 00:00      
            get rid of the OE            01/01/70 00:00      
            how can slave turn OE line high?            01/01/70 00:00      
   1 Suggesion to get slave ID            01/01/70 00:00      
      again: OE will not work            01/01/70 00:00      
         OE line connected , but not used            01/01/70 00:00      
            changes            01/01/70 00:00      
      Use ID as timer value            01/01/70 00:00      
         Use ID as timer value wil not work ...            01/01/70 00:00      

Back to Subject List