System Components and Technical Data
148 Unrestricted SICAM A8000 / CP-8000 • CP-8021 • CP-8022 Manual
DC8-037-2.02, Edition 10.2017
5.7.2.1 DI-8110, DI-8111, DI-8112, DI-8113
5.7.2.1.1 Functions
• Single-point information
─ Acquisition with a resolution of 1 ms
t
─ Update every 10 ms
a
(in the cycle of the open-/closed-loop control function, if larger)
─ Revision
ta
─ Power monitoring
ta
─ Inversion
ta
─ Firmware filter
t
─ Bounce suppression
t
─ Determination of the cause of transmission
t
─ Spontaneous transmission of changes
t
─ Periodical transmission
a
• Double-point information
─ Acquisition with a resolution of 1 ms
t
─ Update every 10 ms
a
(in the cycle of the open-/closed-loop control function, if larger)
─ Revision
ta
─ Power monitoring
ta
─ Inversion
ta
─ Firmware filter
t
─ Bounce suppression
t
─ Monitoring intermediate and faulty positions
t
─ Determination of the cause of transmission
t
─ Reporting switching operations in progress
t
─ Breaker tripping detection
t
─ Breaker tripping suppression during auto-reclose
t
─ Spontaneous transmission of changes
t
─ Periodical transmission
a
• Integrated totals via count pulses
t1
─ Acquisition by firmware with a maximum count frequency of 20 Hz
− Pulse length/pause >20 ms/>20 ms
− Revision
− Power monitoring
− Inversion
− Pulse counting
─ Counter value formation
− Count pulse evaluation
− Set counter
─ Formation of integrated totals
− Counter request
− Interval control
− Frozen absolute value
− Frozen relative value
─ Not power-fail safe
─ Integrated total transmission according to iec 60870-5-101
─ Spontaneous transmission
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