5. CONFIGURATION
Figure 125: Server IEC 60870-5-104 Link Layer Configuration Screen
Parameter Description
Factory De-
fault
Possibilities
Port Number
Listened port address to
client connection. Used
when the client connection
isn’t through IP
2404 1 to 65535
IP Address
Connected client IP, used
when the client connection
is through IP
0.0.0.0 1.0.0.1 to 223.255.255.254
Common Address of
ASDU
IEC 60870-5-104 address,
if the connected client is
through IP
1 1 to 65534
Time-out t1 (s)
Time period (in seconds)
that the device waits the re-
ceiving of an acknowledge
message after sent an APDU
message type I or U (data),
before close the connection
15 1 to 180
Time-out t2 (s)
Time period (in seconds)
that the device waits to
send a watch message (S-
Frame) acknowledging the
data frame receiving
10 1 to 180
Time-out t3 (s)
Time period (in seconds) in
what is going to be sent a
message to link test in case
there is no transmission by
both sides
20 1 to 180
Parameter k (APDUs)
Maximum number of data
messages (I-Frame) trans-
mitted and not acknowl-
edged
12 1 to 12
208
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