System Components and Technical Data
SICAM A8000 / CP-8000 • CP-8021 • CP-8022 Manual
Unrestricted
119
DC8-037-2.02, Edition 10.2017
5.5.7 COUMT0
5.5.7.1 Functions
Communication of a central station with up to 10 counter devices.
•
Serial communication protocol according to IEC 62056-21 (IEC 61107)
COUMT0 is central station
•
Network configuration
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Multipoint partyline
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Multipoint star
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Max. connections: 10
•
System or device (application function)
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Controlling station
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Physical layer/data flow control
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Unbalanced interchange circuit according to V.24/V.28 standard
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Transmission medium (half duplex)
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Byte Frame (8E1)
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Data flow control bit in receive direction
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Data flow control bit supervision
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Interoperability according to IEC 60870-5-101 Ed. 1
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Interoperability according to the following document:
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SICAM RTUs IEC 60870-5-104 Interoperability
(DC0-013-2)
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Data acquisition by polling (station interrogation)
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Continuous interrogation of a remote terminal unit
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Station failure delay
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Acquisition of events
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General interrogation, substation interrogation
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Clock synchronization according to IEC 60870-5-101
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Clock synchronization with <TI:=103> clock synchronization command
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Acquisition of transmission delay (primary station) used for correction of clock syn-
chronization (with “request status of link” = proprietary)
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Command transmission
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Demand
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Set control location
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Check control location
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Transmission of integrated totals
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IEC 62056-21 (IEC 61107) Mode-C
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EDIS data coding (EDIS = Energy Data Identification System)
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OBIS data coding (OBIS = Objekt Identification System)
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Optimized parameters for selected transmission facilities
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Predefined optimized parameters for selected transmission facilities
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Free definable parameters for transmission facility
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5 V power supply for external modem
ATTENTION: check power consumption of external modem!
•
Standby transmission line over the public telephone network (PSTN)
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Data transmission using time slot radio
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Co-ordination of several masters
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