PCAN-Router Pro – User Manual
66
I/O Function
I/O Number
Number
of Bits
Value Range
Function
Bus Error Counter CAN x
32
Counter of the CAN controller for bus errors
Rx Queue Overrun CAN x
32
Counter for overrun of the reception queue
Error Warning CAN x
32
Counter of the CAN controller for warning errors
Error Passive CAN x
32
Counter of the CAN controller for passive errors
Data Overrun CAN x
32
0 - 2
32
-1
Counter of the CAN controller for data overrun errors
Tx Traffic Indicator CAN x
1
0, 1
Indicates the transmission of CAN messages (monoflop 100 ms)
Trace Status
16
Value from bit
pattern (see right)
Status of logging to CompactFlash card
Bit meaning:
0: No CF card inserted in the PCAN-Router Pro For a card detection a reset (power cycle) is required.
1: CF card does not contain a partition or more than one
2: CF card isn't formatted with the file system FAT16
3: Root directory cannot be found
4: Root directory cannot be opened
5: File
trace.btr
does not exist
6: File
trace.btr
cannot be opened
7: File pointer cannot be set to the start of the file
8: First sector of file
trace.btr
cannot be determined
9: Trace file is completely filled with CAN messages (linear record mode)
10: Maximum number of records is reached
11 - 15: (Not used)
Trace File Msg Free
32
Number of CAN messages still fitting into the trace file
Trace Queue Overruns
32
0 - 2
32
-1
Number of CAN message not being processed by the CF card queue due to overload
None
No function
Can be used as place-holder if the corresponding input or output has no function.
32-bit Variable
(FFh)
0 to 255
32
0 - 2
32
-1
or
-2
31
- +2
31
-1
256 disposable 32-bit variables; interpretation as Signed or Unsigned depending on context