Required Configuration Parameters; Standard Commreq Command Block Parameters; Parameters For Client Station-Server Connection - GE PACSystems RX3i User Manual

6.2 Required Configuration Parameters

The ten parameters outlined in sections 6.2.1 and 6.2.2 are required for all RX3i IEC 104 Server
configuration files. These parameters set a basic configuration in the IEC 104 Server module that
allows connection to an IEC 104 Client station. All configuration parameter values should be entered
in decimal format. Refer to the parameter description to determine valid input values for application-
based, or user-defined, parameter settings. Set values for these parameters as required by the
application.
Note: Reserved parameters always have a value of zero (0).

6.2.1 Standard COMMREQ Command Block Parameters

Parameter
mComreq_Setup[00]
mComreq_Setup[01]
mComreq_Setup[02]
mComreq_Setup[03]
mComreq_Setup[04]
mComreq_Setup[05]

6.2.2 Parameters for Client Station-Server Connection

Parameter
mComreq_Setup[06]
mComreq_Setup[07]
mComreq_Setup[08]
mComreq_Setup[09]
mComreq_Setup[10]
GFK-2949C
Chapter 6. Configuration of IEC 104 Server Parameters Using COMMREQ
Value Description
69 COMMREQ Data Length, minimum 66. (Take the index of the last
used parameter and subtract 5.)
0 WAIT/NOWAIT Flag, always 0
m-type Memory Type for COMMREQ Status Word (CRS)
value Value: 8-%R, 10-%AI, 12-%AQ, 196-%W
offset Memory Address Offset for COMMREQ Status Word (CRS)
value Zero-based offset into memory: value = address – 1
for example, %R1 requires offset 0, %R100 requires offset 99
0 Reserved
0 Reserved
Value Description
1240 Server Command Number, always 1240
2404 TCP/IP Port Number for IEC104 Data Connection, typical 2404
3 Base Sector Address
Value: 1 to 255, typically 3
1 Number of Sessions / Number of Client Connections
Value: 1 to 8.
This parameter gets overridden with optional parameter. Refer
to the section
parameter - mComreq_Setup[66].
1 Number of Segments
Value: 1
July 2017
Option Parameters – Bit5 and Bit6 of optional
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