User`s manual

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17.5.4 Errors
When the dedicated instruction is completed with an error, the complete status display device at completion ((D)+1),
turns on and the error code is stored in the control data read result ((S1)+1).
See the following manuals regarding the error code, and check the errors and take corrective actions.
<Error codes>
4FFFH or less: User's manual (hardware design, maintenance and inspection) for the CPU module used
7000H or higher: User's Manual (Basic)
17.5.5 Program example
A program that reads registered data of the user frame having registration number 3E8H to devices D4 and later
When the input/output signals of the Q series C24 are X/Y80 to X/Y9F
Read request
Sets the frame No. to be read
Sets the allowable number of data
to be read
Executes user frame reading
Normal completion
Abnormal completion
Clears the device in which to store
the read user frame data