Lenze PLC Designer PLC Designer (R2-x) CANopen for Runtime Systems - Manual (Page 47)

L-force | PLC Designer - CANopen for Runtime Systems
CAN network variables
46 DMS 2.0 EN 05/2009 TD29
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4.1.4 Generated calls
An implicit variable list will be created. For each PDO (sending or receiving) an array entry of type
NetVarPDO_Rx_CAN resp. NetVarPDO_Tx_CAN will be inserted.
For debug purposes a file containing the generated declarations will be created. The file is named
NetworkGlobalVars_CAN.exp and will be found in the compile files directory. (Only if »PLC Designer«
has been started with command line option “/debug”.)
Initialization code is generated, which will initialize the generated data. The initialization code will be
called by the GlobalInit POU, which in turn is called immediately after a download in order to initialize
the project data.
For each task, which uses network variables, initially:
- a receive call will be generated for each PDO.
- a (sole) instance of the POU NetVarManager_Udp_FB bzw. NetVarManager_Can_FB will be called:
NetVarManager_CAN();
At the end for each task, which uses network variables, a send call will be generated for each PDO.
The calls all in all:
CAN_Read(0);
NetVarManager_CAN();
pNetVarPDO_Rx_CAN[0]();
<application code>
MgrClearRxBuffer(wCurTask:= 1,wDrvNr := 0, dwFlags := 0, dwPara := 0);
pNetVarPDO_Tx_CAN[0]();