Print document

Technical Forum

Decentral Peripherie

Reading CPU SF LED and all the slave PLC I/O cards SF status within my master CPU

Thread Starter: YKW   Started: 6/1/2012 6:40 PM   Replies: 1

« Previous thread Next thread »
Page 1 of 1 (2 items)
  6/1/2012, 6:40 PM
YKW
Joined 11/8/2010
Last visit: 12/18/2012
Posts: 9
Rating:
Rated: no ratings [0 out of 5 / rated 0 time(s)]. (0) 
Rated: no ratings [0 out of 5 / rated 0 time(s)]. (0) 
Hi hdhosseini,

I have a similar problem, my case is I have a s7-400 PLC as master and it link with over 70 slave PLCs (S7-300) in few profibus networks. I am using SFC51 to verify for the profibus network connection now. If I would like to monitor even the slave CPU SF LED status and all the slave PLC I/O cards SF status, what can I do? can SFC51 do the job? 

At slave PLC, the profibus network connection is either connected to CP-342-5 card or to the CPU DP port. 

Can this be done without touching slave PLC? As all the slave PLC are own by other company.

Thanks.
Best regards,
YKW



=== Edited by CS Moderator @ 6/2/2012 8:49 PM [GMT ] ===
new subject after splitting from S7 300 master-slave profibus connection
Top
  6/1/2012, 9:53 PM
hdhosseini
Joined 1/28/2009
Last visit: 5/22/2013
Posts: 2863
Rating:
Rated: Excellent [4.1 out of 5 / rated 394 time(s)]. (394) 
Rated: no ratings [0 out of 5 / rated 0 time(s)]. (0) 
Hello  YKW,

Please consult following section of this manual:

1-"13.3 Reading a System Status List or Partial List with SFC 51
"RDSYSST" "
2- "34 System Status Lists (SSL)"

Best regards,
Hamid Hosseini
Human beings are members of a whole , In creation of one essence and soul
Sa'adi


Top
Page 1 of 1 (2 items)
Actions
Copy Link
To conference