protocols, and to the section 103, Companion standard for the informative interfaceof protection equipment.16.6.1.2 Design M17109-41 v1General M17109-43 v2The 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 synchronizationHardware M17109-59 v1When communicating locally with a Personal Computer (PC) or a RemoteTerminal Unit (RTU) in the station, using the SPA/IEC port, the only hardwareneeded is:· Optical fibres, glass/plastic· Opto/electrical converter for the PC/RTU·PC/RTUCommands M17109-62 v4The commands defined in the IEC 60870-5-103 protocol are represented indedicated function blocks. These blocks have output signals for all availablecommands according to the protocol. For more information, refer to theCommunication protocol manual, IEC 60870-5-103.• IED commands in control directionFunction block with defined IED functions in control direction, I103IEDCMD.This block use PARAMETR as FUNCTION TYPE, and INFORMATIONNUMBER parameter is defined for each output signal.• Function commands in control directionFunction block with pre-defined functions in control direction, I103CMD. Thisblock includes the FUNCTION TYPE parameter, and the INFORMATIONNUMBER parameter is defined for each output signal.• Function commands in control direction1MRK 504 169-UEN A Section 16Station communicationTransformer protection RET650 2.2 IEC 329Application manual
