Omron CJ - REFERENCE MANUAL 07-2009 Reference Manual page 224

FINS Commands
Response Format
Parameters
Comments
202
0C 01
Command End code
code
If any other device holds the access
right, the device will be identified.
Program No. (command)
Always FFFF (hex).
End code (response)
Refer to 5-1-3 End Codes for information on end codes.
If any other device has the access right, the access right cannot be acquired
with this command; use ACCESS RIGHT FORCED ACQUIRE (command
code 0C01). (Refer to 5-3-25 ACCESS RIGHT FORCED ACQUIRE: 0C 02.)
When ACCESS RIGHT ACQUIRE (command code 0C01) is executed while
any other device has the access right, subsequent commands cannot be exe-
cuted from the other device. This command should generally not be used dur-
ing normal processing.
The following table shows which FINS commands can be executed even
when another device holds the access right.
Command
code
0101 MEMORY AREA READ
0102 MEMORY AREA WRITE
0103 MEMORY AREA FILL
0104 MULTIPLE MEMORY AREA READ
0105 MEMORY AREA TRANSFER
0201 PARAMETER AREA READ
0202 PARAMETER AREA WRITE
0203 PARAMETER AREA CLEAR
0306 PROGRAM AREA READ
0307 PROGRAM AREA WRITE
0308 PROGRAM AREA 5CLEAR
0401 RUN
0402 STOP
0501 CPU UNIT DATA READ
0502 CONNECTION DATA READ
0601 CPU UNIT STATUS READ
0620 CYCLE TIME READ
0701 CLOCK READ
0702 CLOCK WRITE
0920 MESSAGE READ/CLEAR
0C01 ACCESS RIGHT ACQUIRE
0C02 ACCESS RIGHT FORCED ACQUIRE
Unit address of Unit with access right
Node number of device with access right
Network address of device with access right
Command name
Section 5-3
Command execution
while another device
has access right
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
No
No
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
Yes