ProSoft Technology PTQ-104S - Manual (Page 78)

Module Configuration 48TPTQ-104S Rev 1 ♦ 47TQuantum Platform
12TUser Manual 46TIEC 60870-5-104 Server for Quantum
5.6.6 t2 Timeout Set Value
1 to 255
This is a timeout of when to send an S-format message to the host to
acknowledge outstanding messages received. This parameter is in units of
seconds and must be less than the value set for t1.
5.6.7 t3 Timeout Set Value
1 to 255
This is the timeout to wait on an idle line before the unit will send a TestFr.Act
message. This value is in units of seconds.
5.6.8 k (maximum queue)
1 to 20
This parameter specifies the number of unacknowledged messages the unit will
buffer. This parameter must match that in the host. If the set number of buffers
are filled in the unit, no other messages will be sent until the host unit
acknowledges some or all the messages.
5.6.9 w (latest ack threshold)
1 to 20
This parameter must match that of the host unit and specifies the number of
messages the module will receive before sending an S-format sequence
acknowledge message when no I-format data is ready to send. It is
recommended to set this value to 2/3 the value of k.
5.6.10 Time DB Offset
-1 or 0 to 3994
This parameter sets the location in the database where the module’s current date
and time will be copied to.
Note: The following tables lists the 12-byte data area placed in the database if the Time DB Offset
parameter is set to a value other than -1:
Byte Length Range Description
0 to 1 2 0 to 59,999 Seconds and milliseconds
2 1 0 to 59 Minutes
3 1 0 to 23 Hour
4 1 Reserved
5 1 1 to 31 Day of the Month
6 1 1 to 12 Month
7 to 8 2 0 to 65,535 Year (four digit format, for example 2005)
9 1 Reserved
10 1 0 or 1 Invalid Flag (0 = Valid, 1 = Invalid
11 1 Reserved
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March 4, 2013