8
Example 3, Manual Acknowledgment of I/O Errors
(Writing to the Profibus NIU, Slot 0, Index 4)
Write request (master -> slave)
Data (4 Words VC1)
04 00 00 04 00 01 02 I 00
Write response (slave -> master)
Data (4 Words VC1)
84 00 I 00 00 00 00 00 00
Clear request (master -> slave)
Data (4 Words VC1)
00 xx xx xx xx xx xx xx
Clear response (slave -> master)
Data (4 Words VC1)
00 00 00 00 00 00 00 00
8-24
VersaPoint™ I/O System Profibus-DP NIU User's Manual – August 2005
Data Structure
Write/Slot/Index high/Index low/Subindex I
Length/Data I 1 byte unused
Data Structure
Write response/Status I 6 bytes unused
Data Structure
Clear
Data Structure
Clear response
GFK-1911B