Lenze PLC Designer PLC Designer (R3-1) - Manual (Page 49)

L-force | PLC Designer
Lenze Specific Functions
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DMS 4.1 EN 03/2011 TD29 47
Outputs (VAR_OUT)
Designator / Data type Value / Meaning
xDone / BOOL The bit is set if a receive request or a reset has been executed
correctly.
xBusy / BOOL The bit is set as long as a request (receive/reset) is being processed.
After the processing has been completed or if an error occurs, the bit
is reset and xDone or xError is set.
xError / BOOL The bit is set if an error occurs. "wStatus" provides detailed
information about the error.
wStatus / WORD No error (xError not set):
0x0000: no request being processed / request executed correctly
0x8181: transmit request being processed
Error ("xError" set):
0x0202: invalid value for wNumber_of_IOBytes
0x0301: no addresses transferred (pbyInput_address, pbyOut-
put_address, pbyData_address)
0x0407: error during reception
wLength_of_telegram / WORD Length of the last received telegram. The RS232 module can receive
telegrams with lengths between 1 and 1024 bytes.
Note: Pointers to wrong addresses or to data areas with insufficient length can
cause program errors or even a crash of the PLC!