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Exchanging Data with the CPU Unit Section 3-3
Example 1: To perform processing when the Loop Controller has stopped running
Execution of a specific process is enabled as follows when the Loop Control-
ler has stopped running or a data exchange error has occurred with the CPU
Unit functioning as a Inner Board:
Example 2: To notify that function blocks have changed while the Loop Controller was run-
ning.
If a function block is changed from the CX-Process Tool during Loop Control-
ler operation, notification is made by creating a warning or other indication of
the change.
Auxiliary Area Flags Relevant to the Loop Controller
Flags (Loop Controller to CPU Unit)
Processing at
stoppage of Loop
Controller
A35811
Run Status Flag
Notification
processing for
function block
change
A35815
Function Block
Changed Flag
Word Bit Name Explanation Settings
A324 06 Right-side Inner
Board Nonfatal
Error Flag (Pro-
cess-control
CPU Unit
(CS1D-
CPU@@P) only)
This flag is set to 1 (ON) when the right-side Inner Board
has a nonfatal error when the CS1D CPU Unit is in duplex
mode.
1: Nonfatal error
0: No nonfatal error
07 Left-side Inner
Board Nonfatal
Error Flag (Pro-
cess-control
CPU Unit
(CS1D-
CPU@@P) only)
This flag is set to 1 (ON) when the left-side Inner Board has
a nonfatal error when the CS1D CPU Unit is in duplex
mode.
1: Nonfatal error
0: No nonfatal error
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