Output Description¶
DONE
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| BOOL | - | TRUE / FALSE | - |
Output DONE indicates the state of execution.
It has the value TRUE when the execution is finished and the outputs are valid. When DONE becomes FALSE other outputs are not valid any more.
ERR
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| BOOL | - | TRUE / FALSE | - |
Output ERR indicates whether an error occurred during Function Block execution.
It is only valid when DONE is TRUE. The kind of occurred error is specified by the error identifier at output ERNO.
ERNO
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| WORD | - | 0 … 65535 | - |
At output ERNO the identifier of an occurred error is provided. It is only valid when DONE and ERR is TRUE (see, error messages): Error Messages of the Function Block Libraries
ERR_IN_CNT
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| BYTE | - | 0 … 255 | - |
At Output ERR_IN_CNT the number of input handshake errors are provided.
ERR_OUT_CNT
| Data_Type | Default_Value | Range | Unit |
|---|---|---|---|
| BYTE | - | 0 … 255 | - |
At Output ERR_OUT_CNT the number of output handshake errors are provided.