adccommunitymod (AutomationDirect) asked a question.
305 ethernet communications
Created Date: October 07,2003
Created By: Matt Pawlak
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Is there a reason there is no ethernet communications module for the 305 series PLC? If there are no hardware limitations, when might we see a H3-ECOM module? I could live with it only being able to function with a 350 CPU. In the meantime, has anyone worked around this? What's my best bet? Slap a DL05 onto the panel to connect to the ethernet and use its serial port to communicate with the DL350?
Created Date: October 08,2003
Created by: franji1
The 305 backplane hardware does not support intelligent modules very well (330/340 limitations and speed issues).
HOWEVER, from a cost standpoint, buy a $99 05 and an H0-ECOM for another $169, that's just $268 - not bad for an "H3-ECOM "!!
Port 2 on the 05 can master to a slave 330/340/350 via DirectNet protocol using RX/WX instructions in the 05. The 330 would require a DCU module (if you didn't already have one), but the 340 and 350 have built in DirectNet slave support!
Sounds like a good solution to me!?!
Created Date: October 08,2003
Created by: Matt Pawlak
Yes, that sounds like an acceptable workaround. Thanks!
Created Date: October 07,2003
Created by: Matt Pawlak
Is there a reason there is no ethernet communications module for the 305 series PLC? If there are no hardware limitations, when might we see a H3-ECOM module? I could live with it only being able to function with a 350 CPU.
In the meantime, has anyone worked around this? What's my best bet? Slap a DL05 onto the panel to connect to the ethernet and use its serial port to communicate with the DL350?