33 rx error counter (0x0300:0x0307), 34 forwarded rx error counter (0x0308:0x030b), 35 ecat processing unit error counter (0x030c) – BECKHOFF EtherCAT Registers Section II User Manual
Page 53: Rx error counter (0x0300:0x0307), Forwarded rx error counter (0x0308:0x030b), Ecat processing unit error counter (0x030c), Error counters, 0x0300:0x0307, Rx error counter[3:0, 0x0308:0x030b

RX Error Counter (0x0300:0x0307)
Slave Controller
– Register Description
II-41
3.33 RX Error Counter (0x0300:0x0307)
Errors are only counted if the corresponding port is enabled.
Table 50: Register RX Error Counter Port y (0x0300+y*2:0x0301+y*2)
ESC20
ET1100
ET1200
IP Core
Bit
Description
ECAT
PDI
Reset Value
7:0
Invalid frame counter of Port y (counting is
stopped when 0xFF is reached).
r/
w(clr)
r/-
0
15:8
RX Error counter of Port y (counting is
stopped when 0xFF is reached). This is
coupled directly to RX ERR of MII
interface/EBUS interface.
r/
w(clr)
r/-
0
NOTE: Error Counters 0x0300-0x030B are cleared if one of the RX Error counters 0x0300-0x030B is written.
Write value is ignored (write 0).
3.34 Forwarded RX Error Counter (0x0308:0x030B)
Table 51: Register Forwarded RX Error Counter Port y (0x0308+y)
ESC20
ET1100
ET1200
IP Core
Bit
Description
ECAT
PDI
Reset Value
7:0
Forwarded error counter of Port y (counting is
stopped when 0xFF is reached).
r/
w(clr)
r/-
0
NOTE: Error Counters 0x0300-0x030B are cleared if one of the RX Error counters 0x0300-0x030B is written.
Write value is ignored (write 0).
3.35 ECAT Processing Unit Error Counter (0x030C)
Table 52: Register ECAT Processing Unit Error Counter (0x030C)
ESC20
ET1100
ET1200
IP Core
Bit
Description
ECAT
PDI
Reset Value
7:0
ECAT Processing Unit error counter
(counting is stopped when 0xFF is reached).
Counts errors of frames passing the
Processing Unit (e.g., FCS is wrong or
datagram structure is wrong).
r/
w(clr)
r/-
0
NOTE: Error Counter 0x030C is cleared if error counter 0x030C is written. Write value is ignored (write 0).