Doc ID : ADR111A_IM_01
Ref ID : ADR111A/IM/CS
Rev No. : 04
Page No. : 81 of 127
ADR111A /
ADR211A
7.5
Time Synchronisation
The time and date can be set using the time synchronisation feature of the IEC 60870-5-103
protocol. The device will correct the transmission delay depending on communication speed.
For this, transmission time, required for the time synchronization frame from the Master to
IED, considering current baud rate is added in the received time.
The device will correct the transmission delay depending on baud rate. If the time
synchronisation message is sent as a send/confirm message then the device will respond
with a confirm message. A time synchronisation Class 1 event will be generated/produced
whether the time-synchronisation message is sent as a send confirm or a broadcast
(send/no reply) message.
7.6
Spontaneous Events
Events are categorized using the following information:
Function type
Information Number
The IEC 60870-5-103 profile in the Menu Database contains a complete listing of all events
produced by the device.
7.7
General Interrogation (GI)
The GI request can be used to read the status of the device, the function numbers, and
information numbers that will be returned during the GI cycle. These are shown in the IEC
60870-5-103 profile in the Menu Database.
7.8
Cyclic Measurements
The device will produce measured values using ASDU244. ASDU244 will be reported with
information number 0. These frames are reported alternately. This can be read from the
device using a Class 2 poll. For every query the current online data is reported.
7.9
Commands
A list of the supported commands is contained in the Menu database. The device will
respond to other commands with ASDU 1, with a cause of transmission (COT) indicating
‘negative acknowledgement’.
Summary of Contents for ADR111A
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