Appendix C. ENIP-2: IEC 60870-5-101 and IEC 60870-5-104
ENIP-2, manual, ENIP.411187.002. Rev. 11.2020
85
Transmission of sequences of recorded analogue values
File transfer in control direction
Transparent file
Background scan
Background scan
For IEC 60870-5-104 only:
Definition of time outs
Parameter
Default
value
Remarks
Selected
value
t
0
30 s
Time-out of connection establishment
t
1
15 s
Time-out of send or test APDUs
15
t
2
10 s
Time-out for acknowledges in case of no data mes-
sages t2 < t1
10
t
3
20 s
Time-out for sending test frames in case of a long idle
state
20
Maximum range for timeouts t0 to t2: 1 s to 255 s, accuracy 1 s.
Maximum number of outstanding I format APDUs k and latest acknowledge APDUs (w):
Parameter
Default
value
Remarks
K
1 APDU
Maximum difference receive sequence number to send state variable
W
1 APDU
Latest acknowledge after receiving w I format APDUs
K and W are not change.
Port number
Parameter
Value
Remarks
Port number
2404
In all cases
IP settings
IP address
ASDU address
ENIP-2 default
192.168.0.10
Socket
№1
-
1
Socket
№2
-
1
Socket
№3
-
1
Socket
№4
-
1
