Specify An Id - GE VersaPoint IC220PBI002 User Manual

7

Specify an ID

Two bytes are available for an ID, so there are 65,536 retentive module IDs.
If modules with the same Profibus address are connected alternately, this
makes it easy to identify modules after power up.
The ID is stored on index 8.
Example ID: 2633
Write request (master -> slave)
Data (8 Words VC1)
04 00 00 08 00 02 26 33 I
00 00 00 00 00 I 00 00
Write response (slave -> master)
Data (8 Words VC1)
84 00 I 00 00 00 0
00 00 00 00 00 00 00
Clear request (master -> slave)
Data (8 Words VC1)
00 xx xx xx xx xx xx xx xx xx
xx xx xx xx xx xx
Clear response (slave -> master)
Data (8 Words VC1)
00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
7-20 VersaPoint™ I/O System Profibus-DP NIU User's Manual – August 2005
Data Structure
Write/Slot/Index high/Index
low/Subindex/Length/Data I 8 bytes unused
Data Structure
Write re
0 00 00 00 sponse/Status I 14 bytes unused
Data Structure
Clear
Data Structure
Clear response
GFK-1911B