9-13
9 PLC Setup
CJ2 CPU Unit Software User’s Manual
9-3 PLC Setup Settings
9
9-3-2 CPU Unit Settings
The following parameters are used only for OMRON function blocks. They are not used for any other
application.
The number of resends and response monitoring time must be set by the user in the FB communica-
tions 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 this PLC Setup for OMRON FB Library will be automatically stored in the related Auxiliary Area words
A580 to A582 and used by the function blocks from the OMRON FB Library.
z Retry Counts
This parameter determines the number of retries for executing communications instructions within
function blocks.
z Response Timeout for Comms Instructions in FB
This parameter determines the response monitoring time for executing communications instructions
in function blocks.
z Response Timeout for DeviceNet Comms Instructions in FB
This parameter determines the response monitoring time for executing DeviceNet communications
instructions in function blocks.
Comms Instructions Settings in FB (for FB Library)
Parameter Settings Default Function
Related
flags and
words
Retry
Counts
0 to 15 0 Set the number of retries for sending commands when
executing DeviceNet explicit messages or FINS mes-
sages within function blocks.
A580.00 to
A580.03
Parameter Settings Default Function
Related
flags and
words
Comms
Instructions
Settings in
FB
0001 to 65535
(Unit: 0.1 s, 0.1 to 6553.5)
0000: 2 s
0000: 2 s A response timeout occurs when no
response is returned within the time set
here for FINS commands executed
within a function block.
A581
Parameter Settings Default Function
Related
flags and
words
DeviceNet
Comms
Instructions
in FB
0001 to FFFF
(Unit: 0.1 s, 0.1 to 6553.5)
0000: 2 s
0000: 2 s A response timeout occurs when no
response is returned within the time set
here for explicit messages commands
executed within a function block.
A582
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