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

User Manual
GFK-2949E
5.6

Required Configuration Parameters

The ten parameters outlined in sections 5.6.1 and 5.6.2 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:
5.6.1

Standard COMMREQ Command Block Parameters

Parameter
mComreq_Setup [00]
mComreq_Setup [01]
mComreq_Setup [02]
mComreq_Setup [03]
mComreq_Setup [04]
mComreq_Setup [05]
5.6.2

Parameters for Client Station-Server Connection

Parameter
mComreq_Setup [06]
mComreq_Setup [07]
mComreq_Setup [08]
mComreq_Setup [09]
Configuration of IEC-104 Server Parameter
Reserved parameters always have a value of zero (0).
Value
69
0
m-type value
offset value
0
0
Value
1240
2404
3
1
Description
COMMREQ Data Length, minimum 66. (Take the index of
the last used parameter and subtract 5.)
WAIT/NOWAIT Flag, always 0
Memory Type for COMMREQ Status Word (CRS)
Value: 8-%R, 10-%AI, 12-%AQ, 196-%W.
Memory Address Offset for COMMREQ Status Word
(CRS).
Zero-based offset into memory: value = address – 1
for example, %R1 requires offset 0, %R100 requires offset
99.
Reserved
Reserved
Description
Server Command Number, always 1240.
TCP/IP Port Number for IEC104 Data Connection, typical
2404.
Base Sector Address
Value: 1 to 255, typically 3
Number of Sessions / Number of Client Connections
Value: 1 to 8.
This parameter gets overridden with optional parameter.
Refer to the section Option Parameters – Bit5 and Bit6 of
optional parameter - mComreq_Setup [66].
Chapter 5
Dec 2020
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