Slicebus System Variables
All SB system variables gather information regarding Slicebus functionality.
| System Variable | Data Type | Specification |
|---|---|---|
| SB_DATA_VALID | BOOL | This variable is TRUE if data transfer via SliceBus is active. |
| SB_TOPOLOGY_OK | BOOL | This variable is TRUE when the plugged modules on the SliceBus match the configuration. |
| SB_DIAG_ALARM_STATUS | ULINT |
Diagnostic status of the modules - As soon as a module reports a diagnostic alarm on the SliceBus, according to the slot position the corresponding bit is set in the 64-bit register. |
| SB_DIAG_ALARM_ACK_PENDING | ULINT |
Acknowledgement diagnostic status of the modules - As soon as a module on the SliceBus requests an acknowledgment of the diagnostic alarm, according to the slot position the corresponding bit is set in the 64-bit register. |