Parameter Values (Range) Unit Step Default Description
Failed Sesn key
Chgs
1...65535 1 5 Security statistics
threshold for
failed session key
changes
Upd key Chgs 1...65535 1 1 Security statistics
threshold for up-
date key changes
Failed Upd key
Chgs
1...65535 1 1 Security statistics
threshold for
failed update key
changes
6.3 IEC 101-104 Monitored data
Table 21: Monitored data
Name Type Values (Range) Unit Description
Customization Mode Enum
0=Off/Normal
1=By Parameter
2=By File
Protocol Customization
Mode
Reset counters BOOLEAN
0=False
1=True
Reset counters
Received frames INT32 -1...2147483646 Received frames
Transmitted frames INT32 -1...2147483646 Transmitted frames
Physical errors INT32 -1...2147483646 Physical layer errors
Link errors INT32 -1...2147483646 Link layer errors
Transport errors INT32 -1...2147483646 Transport layer errors
CnReject no sockets INT32 -1...2147483646 Number of rejected
connections due to no
sockets available
CnReject unregistered INT32 -1...2147483646 Connection rejected
due to unregistered cli-
ent
6.4 Monitored data for secure communication
The IEC 60870-5-104 monitored data for secure communication can be accessed via
the HMI path Monitoring> Communication> Protocols> Secure IEC104(1).
6.4.1 IEC 101-104 Secure monitored data
Table 22: Monitored data
Name Type Values (Range) Unit Description
Unexp Msgs Cnt INT32 0...2147483646 Security statistics coun-
ter for unexpected mes-
sages
Auth Fail Cnt INT32 0...2147483646 Security statistics coun-
ter for authorization
failures
Table continues on the next page
IEC 60870-5-104 parameters 2NGA001859 A
56 REX615
IEC 60870-5-104 Communication Protocol Manual