Skip to Content

Register Login

Industry Online Support

Technical Forum

Navigation

How many connections available via global data

Created by: dream1 at: 2/29/2008 4:09 PM (6 Replies)

Rating (1)

Thanks 0

7 Entries

2/29/2008 4:09 PM	Rate (0)
dream1 Posts: 13 Rating: (0)	Hello all, i have 2 questions, i have a 315 2dp cpu, i want to know how many connections i cand do to anothers cpu with a global data. [snip]... tanks
dream1 Posts: 13 Rating: (0)	Last edited by: CS Moderator at: 03.03.2008 11:07 new subject after splitting second question split to a seperate thread
Suggestion To thank Quote Answer

3/6/2008 8:24 PM	Rate (0)
GrzegorzG Posts: 63 Rating: (19)	CPU315-2DP can exchange data via GD with up to 8 partners.
GrzegorzG Posts: 63 Rating: (19)
Suggestion To thank Quote Answer

3/18/2008 9:52 AM	Rate (0)
JustFunctioning Posts: 5 Rating: (0)	On a related note.. how much data can be passed via Global Data? i.e. how many words can be exchanged between the 8 partners or is it unlimited? Sorry to hijack the thread but as my question was closely related I thought I'd ask in here.. Cheers
JustFunctioning Posts: 5 Rating: (0)
Suggestion To thank Quote Answer

3/27/2008 1:08 PM	Rate (0)
candyengineer Silver Member Joined: 5/17/2006 Last visit: 9/25/2023 Posts: 218 Rating: (26)	Hello all, I found this information. I hope this will help. Best regards Attachment ssss.JPG (108 Downloads)
	Genetic Fuzzy PID Controller
Suggestion To thank Quote Answer

4/4/2008 8:43 AM	Rate (1)
aikona Posts: 487 Rating: (36)	Also on a related note : we stopped using global data because .... it is 'invisible'.You configure global data BUT nowhere in the software can you cross reference this . example of a problem we had .... configured data MW 80 tot MW88 ,Used in PLC only MW80 we needed to change the software , did a cross reference and used MW86 and we kept getting wrong statuses because MW86 was configured as global data and receiving status from another PLC Eric
aikona Posts: 487 Rating: (36)
Suggestion To thank Quote Answer

4/4/2008 10:04 AM	Rate (0)
JustFunctioning Posts: 5 Rating: (0)	A very good point... I suppose you could always define symbols for global data just so people using those addresses would realise but I can see that its not ideal.
JustFunctioning Posts: 5 Rating: (0)
Suggestion To thank Quote Answer

9/27/2010 11:52 AM	Rate (0)
Osman_ Bronze Member Joined: 12/11/2009 Last visit: 9/8/2022 Posts: 243 Rating: (4)	aikona Also on a related note : we stopped using global data because .... it is 'invisible'.You configure global data BUT nowhere in the software can you cross reference this . example of a problem we had .... configured data MW 80 tot MW88 ,Used in PLC only MW80 we needed to change the software , did a cross reference and used MW86 and we kept getting wrong statuses because MW86 was configured as global data and receiving status from another PLC Eric For global data, it's better to use data blocks. And rename data block as "RECEIVE_INFO_FROM_CPU1" or "SEND_INFO_TO_CPU1" then everything will be ok. Also take a printshot of global data table into project. then it'll be safer twice. I think this is very easy way for communication.

Suggestion To thank Quote Answer

|

Share this page:

Share this page on...

Follow us on