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Auxiliary Area Section 9-11
Background Execution Information
Function Block Information
■ Function Block Memory Information
■ OMRON FB Library Information
Note These Auxiliary Area bits/words are not to be written by the user. The number
of resends and response monitoring time must be set by the user in the FB
communications instructions settings in the PLC Setup, particularly when
using function blocks from the OMRON FB Library to execute FINS messages
or DeviceNet explicit messages communications. The values set in the Set-
tings for OMRON FB Library in the PLC Setup will be automatically stored in
the related Auxiliary Area words A580 to A582 and used by the function
blocks from the OMRON FB Library.
Name Address Description Access
DR00 Output for Background
Execution
(Not supported by CJ1@-
CPU@@ CPU Units.)
A597 When a data register is specified as the output for an
instruction processed in the background, A597 receives the
output instead of DR00.
0000 to FFFF hex
Read-only
IR00 Output for Background
Execution
(Not supported by CJ1@-
CPU@@ CPU Units.)
A595 and
A596
When an index register is specified as the output for an
instruction processed in the background, A595 and A596
receive the output instead of IR00.
0000 0000 to FFFF FFFF hex
(A596 contains the leftmost digits.)
Read-only
Equals Flag for Background
Execution
(Not supported by CJ1@-
CPU@@ CPU Units.)
A59801 Turns ON if matching data is found for an SRCH(181)
instruction executed in the background.
Read-only
ER/AER Flag for Background
Execution
(Not supported by CJ1@-
CPU@@ CPU Units.)
A39510 Turns ON if an error or illegal access occurs during back-
ground execution. Turns OFF when power is turned ON or
operation is started.
Read-only
Name Address Description Access
FB Program Data Flag A34500 Turns ON if the FB program memory contains FB program
data.
0: No data
1: Data present
Read-only
Name Address Description Access
FB Communications Instruc-
tion Response Required
A58015 0: Not required
1: Required
Read-only
FB Communications Instruc-
tion Port No.
A58008 to
A58011
0 to 7 hex: Communications port No. 0 to 7
F hex: Automatic allocation
Read-only
FB Communications Instruc-
tion Retries
A58000 to
A58003
Automatically stores the number of retries in the FB commu-
nications instruction settings specified in the PLC Setup.
Read-only
FB Communications Instruc-
tion Response Monitoring
Time
A581 Automatically stores the FB communications instruction
response monitoring time set in the PLC Setup.
0001 to FFFF hex (Unit: 0.1 s; Range: 0.1 to 6553.5)
0000 hex: 2 s
Read-only
FB DeviceNet Communica-
tions Instruction Response
Monitoring Time
A582 Automatically stores the FB DeviceNet communications
instruction response monitoring time set in the PLC Setup.
0001 to FFFF hex (Unit: 0.1 s; Range: 0.1 to 6553.5)
0000 hex: 2 s
Read-only
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