User Manual User guide
146 Publication 1756-UM534B-EN-P - November 2010
Appendix B Adapter Mode I/O Map
Adapter Mode Discrete I/O Data Transfer-Monitored Racks
Discrete Read Structure - Input
0 1 2 3 4 5 6 7 8 9
8 Words of Discrete Input Data
1st
16-bit
Word
Read
Status Words
ControlLogix Input Tags
Read
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Input Words
8 Words of Discrete Input (Monitored Racks)
Status Word
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved (Pad for 32-bit Alignment)
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Communication Error
1st 1/4 partial rack
Group 0-1
Communication Error
2nd 1/4 partial rack
Group 2-3
Communication Error
3rd 1/4 partial rack
Group 4-5
Communication Error
4th 1/4 partial rack
Group 6-7
0 = Status
OK
1=Error
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Output Words
8 Words of Discrete Output (Monitored Racks)
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
I
O
I
I
I
II
II
O
O
O
OOOO
0 1 2 3 4 5 6 7
Group
Group
Group
Group
1/4
Partial Rack
1/4
Partial Rack
1/4
Partial Rack
1/4
Partial Rack
I/O Rack
0 1 2 3 4 5 6 7 8 9
8 Words of Discrete Output Data
1st
16-bit
Word
Discrete Output (Monitored Racks)
ControlLogix Input Tags
44842