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Serial communiction, IEC
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Opto/electrical converter for the PC/RTU
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PC/RTU
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The events created in the terminal available for the IEC 60870-5-103 protocol are based
on the event function blocks EV01 - EV06. These function blocks include the function
type and the information number for each event input, which can be found in the IEC-
document. See also the description of the Event function.
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The measurands can be included as type 3.1, 3.2, 3.3, 3.4 and type 9 according to the
standard.
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The fault location is expressed in reactive ohms. In relation to the line length in reactive
ohms, it gives the distance to the fault in percent. The data is available and reported
when the fault locator function is included in the terminal.
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The commands defined in the IEC 60870-5-103 protocol are represented in a dedicated
function block. This block has output signals according to the protocol for all available
commands.
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The file transfer functionality is based on the Disturbance recorder function. The analog
and binary signals recorded will be reported to the master. The eight last disturbances,
that are recorded, are available for transfer to the master. A file that has been transferred
and acknowledged by the master can not be transferred again.
The binary signals, that are reported, are those that are connected to the disturbance
function blocks DRP1 - DRP3. These function blocks include the function type and the
information number for each signal. See also the description of the Disturbance report.
The analog channels, that are reported, are the first four current inputs and the first four
voltage inputs.
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The parameters for IEC communication are set via the local HMI. Refer to the Techni-
cal reference manual for setting parameters and path in local HMI.
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