Lenze Function library CANopenSdoDrv - Manual (Page 20)

Function library "CANopenSdoDrv"
Function blocks
BlockWrite - write CAN index per segmented data transfer
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DMS 1.0 EN - 07/2011 - TD05
Inputs
Outputs
Identifier/data type Information/possible settings
bExecute
BOOL
FALSEÊTRUE Activate a write request
nAddress
INT
CAN node address
1 ... 63 Parameter channel 1
65 ... 127 Parameter channel 2
nIndex
INT
CAN index
• For converting a code number into the required CAN index, you can use the
L_FUNCodeIndexConv function from the »LenzeDrive.lib« library.
nSubIndex
INT
CAN subindex
tRxTimeout
TIME
TimeOut time
• After the write request has been sent, the FB must receive a response from the
target device within this time. Otherwise, a timeout error will be output.
• If the input is not connected, the timeout time is one second.
nIndexSize
INT
Number of data bytes to be sent
pData
POINTER
Pointer to the address of the memory area for storing the data bytes to be sent.
• The address of a variable can be determined with the address function ADR.
Identifier/data type Value/meaning
bDone
BOOL
TRUE Request executed successfully
• bDone is set to TRUE for at least one processing cycle.
• bDone will only be reset to FALSE if the bExecute input is set to
FALSE as well.
bBusy
BOOL
TRUE Request in process
bError
BOOL
TRUE An error has occurred during job execution
• For details see dnErrorNo.
• bError is set to TRUE for at least one processing cycle.
• bError will only be reset to FALSE if the bExecute input is set to
FALSE as well.