Rockwell Automation 1760-xxxx Pico GFX-70 Controllers User Manual User Manual
Page 123

Publication 1760-UM002B-EN-P - March 2005
Wiring with Pico GFX-70 4-13
The following rules apply if you want to use selective binary operands
(contacts) from the markers MD, MW, MB:
Table 4.5 Data Access Options
Markers
Analog operand
Pico GFX-70
display
Number
Value
range
Access type
r = Read
w = Write
Marker 32-bit
1MD
01
…
20
32-bit
r, w
Marker 16-bit
1MW
01
…
40
16-bit
r, w
Marker 8-bit
1MB
01
…
80
8-bit
r, w
Marker 1-bit
1M
0
…
96
1-bit
r, w
Analog inputs basic
unit
1IA X
X=01
…
04
10-bit
r
Analog output
1QA X
X=01
10-bit
r
Table 4.6 Composition of the markers
Applies to
MD, MW,
MB, M
Left = most
significant bit,
byte, word
Right = least
significant bit,
byte, word
32-bit
MD1
16-bit
MW2
MW1
8-bit
MB4
MB3
MB2
MB1
1-bit
M32 to M25
M24 to M17
M16 to M9
M8 to M1
32-bit
MD2
16-bit
MW4
MW3
8-bit
MB8
MB7
MB6
MB5
1-bit
M64 to M57
M56 to M49
M48 to M41
M40 to M33
32-bit
MD3
16-bit
MW6
MW5
8-bit
MB12
MB11
MB10
MB9
1-bit
M96 to M89
M88 to M81
M80 to M73
M72 to M65
32-bit
MD4