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et200s 1si modbus slave

Created by: Solution Riders at: 2/2/2010 2:33 PM (2 Replies)

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2/2/2010 2:33 PM	Rate (0)
Solution Riders Posts: 112 Rating: (0)	dear all, communication wise ok for cp341 modbus master and et200s 1si modbus slave . but i got error msg in FB81 modbus slave block the following error msg are noticed in FB 81 Error _No; 16#15(21 decimal) in manual decimal 21 means db length is invalid. Error_info; 16#6 in slave side i have used only four Data blocks. DB 1 ,DB2,DB3,DB4. DB1 is application data block. DB2 IS transfer to CP341. DB3 Is conversion datablocks DB4 Is instant datablock for FB81. In conversion datablocks i have assigned L W#16#2 T DB3.DBW 0 // TRANSFER TO CP 341 L W#16#1 T DB3.DBW2 // DB MIN L W#16#4 T DB3.DBW 4 // DB MAX Here i with attached conversion data block details for your reference. kindly give a solution for this problem as soon as possible. Attachment 1 si modbus slave.JPG (131 Downloads)
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