User manual
Transferring Data with the I/O Scanner
204
33002479 06 07/2008
DW2
%MD
x[1]
Table
Entry
#
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
Bit1514131211109876543210
Table
Entry
#
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
Bit 31302928272625242322212019181716
Word 3 through Word 4 (Table Entry 49
through 112)
DW
%MD
x[4]
Table
Entry
#
113 114 115 116 117 118 119 120 12 122 123 124 125 126 127 128
Bit1514131211109876543210
Double Word (DW)
Register (%MDx:4)
Note: Bits are counted from right to left starting from bit 0 (low bit). For example, to
configure %MD1:4 as a device control block in the I/O scanner table, use %MD1[0],
bit 31 to enable or disable table entry 1. Use %MD1[1], bit 15 to enable or disable
table entry 17.