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8 Further Notes on Operation
8.12.5
Additions to the FC/FB status condition codes
The following condition codes for the communication FBs/FCs have been added or
modified compared with the information in the online help for STEP 7 V5.4 SP4 or
the manual /10/ Release 03/2008.
FC10 AG_CNTRL
DONE
ERROR STATUS
0
1
80B2
8.13
Ping: Permitted length of ICMP packets
Pings with a packet size of more than 1000 bytes are evaluated as an attack and
filtered by the CP. This response is deliberate and serves to increase robustness in
an industrial environment.
A ping only serves to check reachability. Support of extremely long ICMP packets
is not therefore a necessity.
B−50
The configured slot is not occupied.
H
Meaning
CP 443-1 for Industrial Ethernet / Manual Part B
C79000-G8976-C223−06
Release 07/2010
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