BECKHOFF FC7501 - Manual (Page 17)

Diagnosis
FC750x 17
TimingError1
A counter that is incremented if the NC accesses the actual values too early ("Check timing" must have been se-
lected).
TimingError2
A counter that is incremented if the NC supplies new set values too late ("Check timing" must have been selected).
RD istErrorCnt
An error counter that counts telegrams received in a damaged state (cf. RDIST in the SERCON816 Reference
Manual). The cause can be an incorrect baud rate.
FibBrErrorCnt
An error counter that counts telegrams received in a damaged state (cf. FIBBR in the SERCON816 Reference
Manual). The cause can be an incorrect baud rate.
RRerrErrorCnt
An error counter that counts telegrams that have been lost or that are received at the wrong time (cf. RERR in the
SERCON816 Reference Manual).
MstLateErrorCnt
An error counter that counts MSTs that are received too late (cf. MSTLATE in the SERCON816 Reference Man-
ual).
MstEarlyErrorCnt
An error counter that counts MSTs that are received too early (cf. MSTEARLY in the SERCON816 Reference Ma-
nual).