AQ-S255 Bay control IED

AQ-S255 bay control IED can be applied to demanding control applications. AQ-215 comes with full current, voltage, power and energy measurement capabilities, and the relay can be equipped with up to eleven (11) I/O or communication cards, depending on the requirements of your application. The logic programming is powerful and easy to use, and it further expands the unit’s application range towards more demanding control needs. The HMI is large and can be freely programmed, and it provides a quick visualization of the status of objects, alarms and events. AQ-S255 communicates using various protocols, including the IEC 61850 substation communication standard.

 

Highlights

  • A bay control unit with extensive I/O
  • Synchrocheck for up to three (3) circuit breakers
  • Optional power and energy class 0.2S


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  • Circuit breaker failure protection (CBFP; 50BF/52BF)
  • Programmable stage (PGx>/<; 99)
  • Number of objects to control and monitor: 10
  • Number of indicators to monitor: 20
  • Number of setting groups: 8
  • Auto-recloser (0 → 1; 79)
  • Synchrocheck (ΔV/Δa/Δf; 25)
  • Phase, sequence and residual currents (IL1, IL2, IL3, I01, I02)
  • Phase, sequence and residual voltages (UL1, UL2, UL3, U12, U23, U31, U0)
  • Power and energy class 0.5
  • Power and energy class 0.2S (optional)
  • Current transformer supervision
  • Voltage transformer supervision (60)
  • Event recorder (max. 15 000 permanent event records)
  • Disturbance recorder (max. 100 records á 5 seconds at 3.2 kHz sampling)
  • Total harmonic distortion
  • Fault locator (21FL)
  • Frequency (f)
  • Power (P, Q, S, pf) and Energy (E+, E-, Eq+, Eq-)
  • Measurement recorder
  • Measurement value recorder
  • Current inputs: 5
  • Voltage inputs: 4
  • Digital inputs (fixed): 3
  • Digital outputs (fixed): 5
  • Options (11 slots)
  • Digital inputs: +8/16/24/32/40/48/56/64/72/80/88
  • Digital outputs: +5/10/15/20/25/30
  • Milliampere I/O module (4 mA outputs + 1 mA input)
  • External I/O modules (see "Accessories" tab)
  • Communication media (specified in the "Communication" tab)
  • Communication inputs
  • RJ-45 100 Mbps Ethernet (front panel, fixed)
  • RJ-45 100 Mbps Ethernet and RS-485 (rear panel, fixed)
  • 2 x RJ-45 100 Mbps Ethernet with an IRIG-B input (optional)
  • 2 x ST 100 Mbps Ethernet with an IRIG-B input (optional)
  • 2 x LC 100 Mbps Ethernet (PRP/HSR) (optional)
  • RS-232 serial fiber (PP/PG/GP/GG) (optional)
  • Communication protocols
  • IEC 61850
  • IEC 60870-5-101/104
  • IEC 60870-5-103
  • Modbus/RTU and Modbus/TCP
  • DNP3
  • SPA
  • AX007 External 6-channel 2-/3-wire RTD input module (pre-configured)
  • AX008 External 8-channel thermocouple and mA input module (pre-configured)
  • AX013 Raising frame (120 mm)
  • AX014 Raising frame (40 mm)
  • AX015 Wall mounting bracket

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