MR TAPCON 230 Expert - Page 76

9 Operation
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230 Expert
Number of cause of transmission octets
You can use this parameter to set how many octets are provided for the
cause of transmission.
ASDU single character confirmation
You can use this parameter to set whether a confirmation is to be sent as
single characters instead of as a complete message. Single character confir-
mation is only possible for requesting data of class 2 (Class 2 Request).
ASDU sequence optimization
With this parameter, you can set which method is to be used for optimizing
the ASDU types. The standard enables optimization in order to be able to
transfer multiple value changes in a telegram in a sequence of ascending in-
formation object addresses. This is displayed by the sequence bit. The se-
lection of ASDU types for which this optimization is allowed is based on the
edition of the standard.
You can select the following options:
Option Description
None The device does not optimize the ASDU types.
Ed. 1 Optimization in accordance with IEC 60870 Edition 1
(Type 1, 3, 9, 11, 21, 126).
Ed. 1 Amendment2 Optimization in accordance with IEC 60870 Edition 1,
Amendment 2 (Type 1, 3, 9, 11, 13, 15 21, 126).
Ed. 2 Optimization in accordance with IEC 60870 Edition 2
(Type 1, 3, 5, 7, 9, 11, 13, 15, 20, 21, 126).
Table18: ASDU sequence optimization
9.1.6.3 Configuring IEC60870-5-104
If you want to use the IEC60870-5-104 control system protocol, you must
set the following parameters. Also refer to the section Configuring the net-
work.
1. Go to Settings > Parameters > System > IEC60870-5-104.
2. Select the desired parameter.
3. Set the parameter.
4. Press the Accept button to save the modified parameter.
TCP port
You can use this parameter to set the TCP port.
ASDU address
You can use this parameter to set the address of the ASDU.