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WCS-10 User manual
36
Copyright © TK Engineering Oy 2009 - 2017
5 Error message
The error messages (EMCY) are using CANopen protocol as template. Software is producing tree
types of error messages for each CAN interface. The error messages are defined in table below.
Table 59: Error message descriptions
Error
code
Error message
Description
0x8119
TX Overrun
This error message occurs when target CAN channel has dropped
telegrams, because of overrun. Overrun is when 3-stage HW buffer and
16-stage SW buffer is full.
0x8111
RX Overrun
This error message occurs when the receiving CAN channel 5-stage
HW buffer is full.
0x0000
Error-Active
Sent after a error state is cleared and transmission is working without
errors.
0x8120
Error-Warning
RX or TX counter >96 and ≤ 127
0x8121
Error-Passive
RX or TX counter >127 and ≤ 255
0x8122
Bus-off
RX and TX counter > 255
In table below the bytes in CANopen telegram are defined.
Table 60: Error message structure
Byte
Description
0
Error code LSB
1
Error code MSB
2
Error-register object (0x1001)
3
Target CAN interface error occurred
4
Error counter, counter of how many times the error occurred LSB
5
Error counter, MSB
6
not used
7
not used