BECKHOFF ET1100 - Manual (Page 47)

Appendix
Slave Controller – Application Note FAQ 43
3. Although the CRC column is not visible anymore, TwinCAT still reads out and clears the CRC
error counter registers. Activate the new settings by reloading I/O devices (press F4 or use the
button).
It is very important to reload I/O devices (F4)
after disabling “Log CRC Counters”,
otherwise the error counters will still be cleared automatically by TwinCAT.
Figure 16: Reload I/O Devices (F4) after disabling CRC logging
4. Now you can add the error counters to the online view. Right-click into the Online view area and
select “Properties…”
Figure 17: Online view properties