18.6.15
Operation principle
18.6.15.1
General
IEC 60870-5-103 is an unbalanced (master-slave) protocol for coded-bit serial
communication exchanging information with a control system, and with a data
transfer rate up to 38400 bit/s. In IEC terminology, a primary station is a master and
a secondary station is a slave. The communication is based on a point-to-point
principle. The master must have software that can interpret IEC 60870-5-103
communication messages.
Introduction to IEC 60870–5–103 protocol
IEC 60870-5-103 protocol functionality consists of the following functions:
•
Event handling
•
Report of analog service values (measurements)
•
Fault location
•
Command handling
•
Autorecloser ON/OFF
•
Teleprotection ON/OFF
•
Protection ON/OFF
•
LED reset
•
Characteristics 1 - 4 (Setting groups)
•
File transfer (disturbance files)
•
Time synchronization
For detailed information about IEC 60870-5-103, refer to the IEC 60870 standard part
5: Transmission protocols, and to the section 103: Companion standard for the
informative interface of protection equipment.
IEC 60870-5-103 vendor specific implementation
The signal and setting tables specify the information types supported by the IEDs with
the communication protocol IEC 60870-5-103 implemented.
The information types are supported when corresponding functions are included in the
protection and control IED.
Be aware of that different cycle times for function blocks must be
considered to ensure correct time stamping.
Commands in control direction
Commands in control direction, I103IEDCMD
Command block in control direction with defined output signals.
Number of instances: 1
Section 18
1MRK502052-UEN B
Station communication
1050
Technical manual
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