FB_GetStateTcDatabase
The function block allows to get the current state of the Twincat Database Server.
VAR_INPUT
VAR_INPUT
sNetID : T_AmsNetID;
bExecute : BOOL;
tTimeout : TIME;
END_VAR
sNetID: String containing the AMS network ID of the target device, at which the ADS command is directed.
bExecute: The command is executed with the rising edge.
tTimeout: Indicates the timeout time.
VAR_OUTPUT
VAR_OUTPUT
bBusy : BOOL;
bError : BOOL;
nErrID : UDINT;
nAdsState : UINT;
nDevState : UINT;
END_VAR
bBusy: The command is in the process of being transmitted by ADS. No new command will be accepted as long as bBusy remains TRUE.
bError: Becomes TRUE, as soon as an error occurs.
nErrID: Returns the ADS error code if the bError output is set.
nAdsState: Contains the state identification code of the ADS target device. The codes returned here are specified for all ADS servers:
- ADSSTATE_INVALID =0 ;
- ADSSTATE_IDLE =1 ;
- ADSSTATE_RESET =2 ;
- ADSSTATE_INIT =3 ;
- ADSSTATE_START =4 ;
- ADSSTATE_RUN =5 ;
- ADSSTATE_STOP =6 ;
- ADSSTATE_SAVECFG =7 ;
- ADSSTATE_LOADCFG =8 ;
- ADSSTATE_POWERFAILURE =9 ;
- ADSSTATE_POWERGOOD =10 ;
- ADSSTATE_ERROR =11;
nDevState: Contains the specific state identification code of the ADS target device. The codes returned here are supplementary information specific to the ADS device.
- 1 = TwinCAT Database Server started
- 2 = cyclic reading or writing started
Requirements
Development environment |
Target system type |
PLC libraries to be linked |
---|---|---|
TwinCAT v3.0.0 |
PC or CX (x86) |
Tc2_Database |