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| Object value | Description |
|---|---|
| StON | The station is communicating. |
| StOFF | The station is not communicating. The communication is disabled by the operator (via control dialogues of the D2000 HI process) or in the station configuration in the D2000 CNF process. |
| StCOMERR | The occurrence of a "soft" error of communication. This error occurs after an unsuccessful data transmission. |
| StHARDERR | The occurrence of a "hard" error of communication. This error occurs , if the communication with the station is in the StCOMERR state for a period defined by a Time filter parameter. If the station value is StHARDERR, then all the I/O Tags of the station will pass to an undefined state (unless a /KKVOE start parameter is specified). |
| StSIMUL | Communication with the station is simulated. |
| StWAIT | The station is in AUTO mode. The communication is stopped. The control object value is TRUE. The requests for output are postponed and they will be executed when the control object value changes to FALSE. |
Labels of station values, which are mentioned in the first table column, can be redefined by means of the configuration of system texts.
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