====== Mutex Unlock ====== {{:en:mervis-ide:35-help:mutexunlock.png}} ===== Function name ===== MUTEXUNLOCK ===== Function ===== The MutexUnlock function unlocks the communication lock (for SSCP server, Modbus server, LCD, ...). It has no parameters and always returns //false//. It can be used to protect the variable changes in a structure at the moment the structure is processed in ST: the block closes between //MutexLock// and //MutexUnlock//. The number of //MutexLock// and //MutexUnlock// calls must be equal. Lock is active in one cycle only: after a cycle finishes, the lock opens.\\ ===== Outputs ===== \\ |Output|Type|Description| |=> |SINT|Output |