User manual

PTQ-104S Rev2 ♦ Quantum Platform Module Configuration
IEC 60870-5-104 Server for Quantum User Manual
ProSoft Technology, Inc. Page 73 of 195
February 22, 2013
5.6.3 Clear Queue on Close
NO (0) or YES (1)
Use this command to define whether the module will store the unacknowledged
buffers in the unit after the connection is closed. If the specification is to be
followed, set this parameter to NO (0) and the packets will be resent after a
connection is made. If you want to flush the packets after the connection is
closed, set this parameter to YES (1) (this is not according to the IEC 60870-5-
104 specification).
5.6.4 t0 Connection Timeout
1 to 1000, default value = 30
This is a timeout value, in seconds, to determine if a connection has been lost
with the remote Client. If no traffic from the remote client is received for the
period of time specified by this parameter, the currently open server IP socket
connection will be closed. The connection can be re-established by the remote
Client by opening a new connection.
5.6.5 t1 Timeout Set Value
1 to 255
This is the timeout of send or test ASDUs in seconds. After a packet is sent from
the unit, the Client must acknowledge the packet within this time interval or else
the unit will close the connection.
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.