Description
Overview
The BASLER DECS-200-2L is a high-performance digital excitation control system. It supports synchronous generators from 0.5 to 50 MVA. Designed by Basler Electric, it delivers precise voltage regulation and reactive power management. The controller ensures reliable generator protection in demanding industrial and utility environments. It suits applications requiring fast response and accurate control under variable load conditions.
Technical Specifications
Electrical Characteristics
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Auxiliary Input Voltage: 95–240 V AC/DC
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Field Voltage Range: 12–125 V DC (adjustable)
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Field Current Range: 0–10 A DC (standard)
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Response Time: <20 ms for 90% step change
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Control Modes: AVR, FCR, PF, VAR
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Voltage Regulation Accuracy: ±0.25%
Protection & Safety
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Excitation Protection: Over/under excitation, V/Hz limiter
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Generator Protection: Loss of sensing, stator current limit
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Safety Certification: SIL 2 (IEC 61508)
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Cybersecurity Compliance: IEC 62443-3-3 SL1
Communication & Interface
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Protocols: Modbus RTU/TCP, IEC 61850, DNP3
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Interfaces: RS-232 (front), RS-485 (side)
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Remote Control Options: ±10 V DC, 4–20 mA, contact inputs
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Display: Backlit LCD panel
Environmental & Mechanical
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Operating Temperature: –30°C to +65°C
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Enclosure Rating: NEMA 4X / IP66
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Mounting: Panel or rack mount
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Input Voltage: 100–240 V AC, single-phase
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Auxiliary Power: 100–240 V AC, 50/60 Hz
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Output Current: 2 A continuous
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Output Voltage: 125 V DC
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Frequency: 50/60 Hz
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Voltage Regulation Accuracy: ±0.25% steady state
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Protections: Over-excitation, under-excitation, over-voltage, loss-of-field, field over-current, V/Hz limiter
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Communications: Modbus RTU, USB
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Enclosure: IP20
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Mounting: DIN rail or panel mount
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Dimensions (H x W x D): 200 mm x 100 mm x 100 mm
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Weight: 1.5 kg
