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communication CPU410-5H and S7 300

5/21/2014 12:09 PM	Rate (0)
Chandra Tiwari Posts: 247 Rating: (2)	Hi Ammy, I have S7 410-5H single AS PLC as a master PLC and i have 5 S7 300 PLC as a slave PLC, i want to communication the slaves from master PLC with some Read Write data exchange. I want to communicate master and slave with the common DP bus (CPU inbuilt DP) I created the slave PLCs and added the read write address in this, after it i added the slave PLC in the master PLC HW config. The problem is that: While adding read write data in Slave PLC, in DP slave configuration properties i enticipated that i cant use the data mapping more than 32 master/slave rows. I am getting error "The allowed number of 32 master/slave rows had been exceeded in row33." Is this map is the address or soft signals or registers? from where i can get the sample project for the same. Regards
Chandra Tiwari Posts: 247 Rating: (2)	Last edited by: Blue Moderator at: 5/21/2014 12:19 PM New subject after splitting from /tf/WW/en/Posts/70771#top
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5/21/2014 12:14 PM	Rate (0)
hdhosseini Diamond Member Joined: 1/28/2009 Last visit: 12/30/2025 Posts: 6891 Rating: (1368)	VinodK The problem is that: While adding read write data in Slave PLC, in DP slave configuration properties i enticipated that i cant use the data mapping more than 32 master/slave rows. I am getting error "The allowed number of 32 master/slave rows had been exceeded in row33." Is this map is the address or soft signals or registers? from where i can get the sample project for the same. Use several instances , if you need bigger volume of data to be tranferred you can split it to smaller volume of data while defining the table.Read more here: hdhosseini allayahassine schrieb: I don't understand the process of data transfer using SFC 14 AND 15, have you any project example or manual ? thanks Find more information here: DP link between CPU 315-2DP (slave) and S7-400 (master) with STEP 7 V5.3 Plus all other configuration examples here amond different hardware in different software platforms: What master/slave communication options are available on PROFIBUS DP? Try and update!
	Last edited by: hdhosseini at: 5/21/2014 12:15 PM Demo Channel on Youtube
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This contribution was helpful to 1 thankful Users Madhava

5/21/2014 4:21 PM	Rate (0)
Ste39 Posts: 4620 Rating: (710)	VinodK The problem is that: While adding read write data in Slave PLC, in DP slave configuration properties i enticipated that i cant use the data mapping more than 32 master/slave rows. I am getting error "The allowed number of 32 master/slave rows had been exceeded in row33." Is this map is the address or soft signals or registers? from where i can get the sample project for the same. Regards Hello VinodK, Perhaps might help: Max No. of PROFIBUS DP Slaves Connected to S7-300 CPU and MAX SLAVE IN PROFIBUS
Ste39 Posts: 4620 Rating: (710)	Last edited by: Ste39 at: 5/21/2014 4:25 PM
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