System Components and Technical Data
106 Unrestricted SICAM A8000 / CP-8000 • CP-8021 • CP-8022 Manual
DC8-037-2.02, Edition 10.2017
• Optimized parameters for selected transmission facilities (modems)
─ Predefined optimized parameters for selected transmission facilities
─ Free definable parameters for transmission facility
─ 5 V power supply for external modem
ATTENTION: check power consumption of external modem!
• Protocol element control and return information
─ Protocol element control messages
− Send (general) interrogation command to all
− Send (general) interrogation command to selective CASDU
− Set control location
− Call cycle START/STOP/CONTINUE
− Continuous call station x ON/OFF
− “Activate/Deactivate” interface
─ Protocol element return information
− Station failure
− Station status
− Status DTR (1 = state line active)
− Status DSR (1 = state line active)
− Protocol-specific return information 0-3, 6, 7
• Special functions
─ Send short-circuit location values with GI
─ Resetting the short-circuit location values
− Reset short-circuit location values with command
− Reset short-circuit location values automatically
─ Signaling/measured value disabling
─ Technological adaptation for measured values
─ Measured value change monitoring
─ Monitoring intermediate and faulty positions of double-point information
─ Transfer of the information "blocked activation/tripping of the protection"
─ Transmit non-updated process images
─ Emulation of the going binary information
─ Remote-configuration of Reyrolle relays
___
1)
recommendation max. 30 stations
2)
IEC 60870-5-101 messages are transmitted in IEC 60870-5-103 container messages (in the private
range); with SICAM RTUs configurations with BC 1703 the conversion of IEC 60870-5-101 à
IEC 60870-5-103 à IEC 60870-5-101 can be omitted
Note
The previously mentioned functions are described in detail in the document SICAM SICAM RTUs • Ax
1703 Common Functions Protocol Elements, section "Interfaces of Protective Devices (103)".
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