System functions
Function blocks in the group “System functions”. Each link opens the block page; sorted by library and name.
| Block | Page title | Library | What it is for |
|---|---|---|---|
| checkproductfeaturelicense | Licensed Feature Check | System Function | The ''CheckProductFeatureLicense'' function can be used at runtime to determine whether the active license contains a specific key/flag. |
| getexceptionerrorcode | Get Exception Error Code | System Function | The function returns number codes of error messages. |
| getstartupflags | Acquiring of starting parameters of the program | System Function | The function returns value indicating the circumstances of the program start. |
| mutexlock | Mutex Lock | System Function | The MutexLock function locks the communication lock (for SSCP server, Modbus server, LCD, …). |
| mutexunlock | Mutex Unlock | System Function | The MutexUnlock function unlocks the communication lock (for SSCP server, Modbus server, LCD, …). |
| resumenormaltasks | Resume Normal Task | System Function | The function reruns frozen tasks. |
| setsystemtime | System time setting | System Function | The function sets the PLC system time to the requested value. |
| stopinterfaceentrypoint | Controlled stop of runtime | System Function | The function controls safe termination of a technological process when the runtime is stopped. |