Siemens SIPROTEC 5 Handbuch Seite 196

IEC 60870-5-104
4.3 Interoperabilität
Parameter
t
2
t
3
Maximum range of values for all time outs: 1 s to 255 s, accuracy 1 s
Maximum Number of Outstanding I Format APDUs K And Latest Acknowledge APDUs (w)
Parameter
k
w
Maximum range of values k: 1 to 32767 (2
Maximum range of values w: 1 to 32767 APDUs, accuracy 1 APDU (Recommendation: w should not exceed
two-thirds of k).
Portnumber
Parameter
Port number
Redundant Connections
RFC 2200 Suite
RFC 2200 is an official Internet Standard which describes the state of standardization of protocols used in the
Internet as determined by the Internet Architecture Board (IAB). It offers a broad spectrum of actual standards
used in the Internet. The suitable selection of documents from RFC 2200 defined in this standard for given
projects has to be chosen by the user of this standard.
Ethernet 802.3
Serial X.21 interface
Other selection from RFC 2200
196
Default Value Remarks
10 s Time-out for acknowledges in case of no
data messages t
20 s Time-out for sending test frames in case of a
long idle state
Default Value Remarks
12 APDUs Maximum difference receive sequence
number to send state variable
8 APDUs Latest acknowledge after receiving w I-
format APDUs
15
Value
2404
Number N of redundancy group connections used
<t
2 1
-1) APDUs, accuracy 1 APDU
SIPROTEC 5, Communication Protocols, Handbuch
Selected Value
Configurable
Configurable
Selected Value
Fixed
Fixed
Remarks
Fixed
C53000-L1800-C055-H, Ausgabe 07.2023