Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 33

 Description of operands, types, data types, and label data types
• For the data type, refer to the following.
Page 36 Data Specification Method
 Processing details of the standard function or standard function block
 Error code and error details if the standard function or standard function block has any possible operation error
A device in which an error code is stored is provided in the error code column. When an error code is stored in SD0, an error
flag (SM0) turns on. (The error status can be checked with the module label of the CPU module.)
For the errors not provided here, refer to the following.
 MELSEC iQ-R CPU Module User's Manual (Application)
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