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1MRS757105 B
5.9.4
RER601/603
Technical Manual
New connection priority defines the action when a new connection request arrives
while a connection is already active. If the set value is "No", the new connection is
rejected. If the set value is "Yes", the present connection is terminated and the new
connection is accepted.
Table 16:
New connection priority for IEC 60870-5-104 connections
Description
Type
Units
Value range
Note
IEC-104 settings
The IEC-104 settings define the properties of the IEC 60870-5-104 link layer and
application layer parameters as described in the IEC 60870-5-104 standard. The
IEC 60870-5-104 communication is carried out between the device and the IEC
60870-5-104 master over the TCP/IP network.
GUID-C17C8A3A-9A94-47FC-A82F-DCB64D418132 V1 EN
Figure 33:
IEC-104 Settings
TX window size (k) defines the maximum number of I format APDUs the device
may send before requiring the IEC 60870-5-104 master to acknowledge them. If
there are unacknowledged "k" size frames sent, the device stops polling the IEC
60870-5-101 slave for events until acknowledgement is received.
RER601/603 Configurator
Value
Boolean
N/A
No, Yes
This value must be set to "Yes" in normal
configurations with only one IEC 60870-5-104
master
Section 5
49
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