Iec 60870-5-104 Tab - Applied Systems Engineering ASE2000 User Manual

28.6. IEC 60870-5-104 Tab

This section discusses options available from the IEC 60870-5-104 Properties page, accessed
by selecting the Tools pull-down menu and the Properties tab.
Interoperability Options
Common Address is the common address of ASDU size, 1 or 2 octets
Information Object - The IEC 60870-5-104 address component is 3-octets in length. It can
be displayed as a structured or unstructured value. Please refer to the prior IEC 60870-5-101
section for more information
Timers (Secs)
These timers are defined by the IEC 60870-5-104 specification. They are used in master and
RTU simulation modes, but not in Monitoring Mode. All values are in seconds.
Send APDUs (t1) – Maximum amount of time between transmission of a message and reception
of an acknowledgement
Ack/No Data (t2) – Maximum amount of time between reception of a message and transmission
of a corresponding acknowledgement
Idle Test (t3) – Maximum time period for no message activity, after which a Test message is sent
Outstanding APDUs
Max Xmt (k) Maximum number of APDU messages that will be sent before waiting for an
acknowledgement
Max Rcv (w) Maximum number of APDU messages that will be received before sending an
acknowledgement
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