Rockwell Automation 1756-RIO ControlLogix Remote I/O Communication Interface Module User Manual - Manual (Page 137)

Publication 1756-UM534B-EN-P - November 2010 137
Scanner Mode I/O Map Appendix A
Block Transfer Control Write Structure
BT Write Structure Table
Offset (Words) Bit Description
0 0…5 BTR length (1…63 word, 0 means BT module decides)
6…7 Reserved
8 BTR.EN, block transfer read enable (manual mode only)
9 BTR.CONT (manual mode only)
BT Inhibit (automatic modes - inhibits config BTW, data BTW and data BTR)
10…15 Reserved
1 0…5 BTW length (1…63 word, 0 means BT module decides)
6…7 Reserved
8 BTW.EN, block transfer write enable (manual mode only)
9 BTW.CONT, continuous mode (manual mode only)
10…15 Reserved
2…n 0…15 BTW Data (64 integers, max)
BT Read
Offset Word 0
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Write Data Container
for BTW Module
Offset Words 2… n
Write Data Container
BT Write
Offset Word 1
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Reserved
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
BT Read Length
BT Write Length B
T W
rit
e
Enabled
M
anual M
ode Only
C
ontinuous M
ode
M
anual M
ode Only
Reserved Res
Res
B
T Read Enabled
M
anual M
ode Only
C
ontinuous Read /
B
T I
nhibit
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