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ABB Advant Controller 450 - Data Transport between Execution Units

ABB Advant Controller 450
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Advant
®
Controller 450 User’s Guide
Chapter 4 Runtime Operation
4-28 3BSE 002 415R701 Rev A
4.1.11.3 Data Transport between Execution Units
Figure 4-20 shows how data is exchanged between different executing units.
Figure 4-20. Data Transport
CONTRM
(40,2)
CONTRM
(100,4)
CONTRM
(500,10)
.1
.2
.3
PCPGM
(20,1)
PC 1
X
X
X
G
G
G
G
G
G
P
P
P
P
P
DB=
DB=
DB=
DB=
DB=
DB=
Control module executed
under interpreter A
Control module executed
under interpreter B
Control module executed
under interpreter C
GET element for
data from
data base
PUT element for
data to
data base
GET element for
data from module
with higher priority
GET element for
data from module
with higher priority
PUT element for
data to modules
with higher priority

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