FB_ALY_StreamHelper
Syntax
Definition:
FUNCTION_BLOCK FB_ALY_StreamHelper
VAR_INPUT
stConfig : ST_ALY_StreamHelper_Config;
END_VAR
VAR_OUTPUT
ipResultMessage: I_TcMessage;
bError: BOOL;
bNewResult: BOOL;
bConfigured: BOOL;
bConnected: BOOL;
sStream: STRING(255);
nNumIotSymbolsRegistered: UDINT;
tCycleTime: LTIME;
nNumElements: UDINT;
END_VAR
Inputs
Name | Type | Description |
|---|---|---|
stConfig | ST_ALY_IotSymbol_Config | Struct to configure the FB |
Outputs
Name | Type | Description |
|---|---|---|
ipResultMessage | I_TcMessage | Eventlogger |
bError | BOOL | TRUE if an error has been occurred |
bNewResult | BOOL | TRUE if a new result has been calculated |
bConfigured | BOOL | TRUE if FB is configured successfully |
bConnected | BOOL | TRUE if StreamHelper connected to message broker |
sStream | STRING(255) | Topic/Stream |
nNumIotSymbolsRegistered | UDINT | Amount of registered IoT symbols |
tCycleTime | LTIME | Cycle time of publishing system |
nNumElements | UDINT | Number of elements received last call |
Methods
Name | Definition Location | Description |
|---|---|---|
Call | Local |
|
Configure | Local |
|
GetTimestampElement | Local |
|
AddIotSymbol | Local |
|
ContainsIotSymbol | Local |
|
ReleaseAllIotSymbols | Local |
|
ReleaseIotSymbol | Local |
|
Requirements
Development environment | Target platform | Plc libraries to include |
|---|---|---|
TwinCAT v3.1.4024.0 | PC or CX (x64, x86) | Tc3_Analytics |