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13 CONTENTS AND REGISTRATION OF USER FRAMES FOR DATA COMMUNICATION
13.4 Registering/Reading/Deleting User Frames
13.4 Registering/Reading/Deleting User Frames
This section explains registering, reading, and deleting user frames in/from C24 flash ROM or buffer memory.
Type of user frames
*1 A user frame cannot be overwritten for registration. To reregister a user frame having the same number, first delete the current user
frame and then reregister.
*2 Check the registration status of the user frame number with Engineering tool.
*3 The data arrangement of user frame for registration or reading is the same as the one for registration or reading to/from the flash ROM.
Register or read user frames in accordance with the arrangement above.
Although user frames can registered in the buffer memory, register user frames of the fixed format portion in the flash ROM as much as
possible.
Devices that can register/read/delete user frames
*1 Use the PUTE instruction.
*2 Use the GETE instruction.
Register/read/delete user frames by a program while no data is communicated with the target device.
Type User frame No. Registration destination Remarks
Data communication
function
Default registration frame 1H to 3E7H
(1 to 999)
ROM for C24 operating system Read enabled
User frame 3E8H to 4AFH
*1
,
*2
(1000 to 1199)
C24 flash ROM Register/read/delete enabled
8001H to 801FH
*3
(-32767 to -32737)
C24 buffer memory
(Un\G6912 to 8182)
User frame for the programmable controller CPU
monitoring function
B001H to B00AH, B061H,
B080H to B082H
ROM for C24 operating system Register/read/delete disabled
Type User frame No. Device that can register/read/delete
CPU module Target device Engineering tool
Register Read Delete Register Read Delete Register Read Delete
Default registration frame 1H to 3E7H
User frame 3E8H to 4AFH
*1
*2
*1
8001H to 801FH
User frame for the
programmable controller
CPU monitoring function
B001H to B00AH,
B061H, B080H to
B082H