the IEC 60870-5-103 communication messages. For detailed information about IEC
60870-5-103, refer to IEC 60870 standard part 5: Transmission protocols, and to the
section 103, Companion standard for the informative interface of protection equipment.
20.5.1.2 Design
M17109-41 v1
General
M17109-43 v2
The protocol implementation consists of the following functions:
•
Event handling
• Report of analog service values (measurands)
• 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
Hardware
M17109-59 v1
When communicating locally with a Personal Computer (PC) or a Remote Terminal
Unit (RTU) in the station, using the SPA/IEC port, the only hardware needed is:·
Optical fibres, glass/plastic· Opto/electrical converter for the PC/RTU· PC/RTU
Commands
M17109-62 v4
The commands defined in the IEC 60870-5-103 protocol are represented in dedicated
function blocks. These blocks have output signals for all available commands
according to the protocol. For more information, refer to the Communication protocol
manual, IEC 60870-5-103.
• IED commands in control direction
Function block with defined IED functions in control direction, I103IEDCMD. This
block use PARAMETR as FUNCTION TYPE, and INFORMATION NUMBER
parameter is defined for each output signal.
• Function commands in control direction
Section 20 1MRK 511 401-UUS A
Station communication
588 Bay control REC670 2.2 ANSI
Application manual
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