Current signal conditioner; Current input signal; Current and voltage output signal; Digital and relay output; Configuration via software; Supply voltage: 24 VDC; 22.5 mm module width Short description: 2857-550 Current Transducer measures AC/DC currents up to 100 A and converts the measured current into an analog standard signal at the output. Features: Both the digital signal output and the variable contact relay react to set measuring range limits (On/Off delay and adjustable threshold value switching function with up to two threshold values). The clipping feature provides analog signal limitation to output extremes. Adjustable software filter Input/Output response simulation via configuration screen Safe, 3-way isolation with 4 kV test voltage according to EN 61140 Note:Additional setting options via interface configuration software or interface configuration app
Current signal conditioner; Current input signal; Current and voltage output signal; Digital and relay output; Configuration via software; Supply voltage: 24 VDC; 22.5 mm module width
Short description:
2857-550 Current Transducer measures AC/DC currents up to 100 A and converts the measured current into an analog standard signal at the output.
Features:
Additional setting options via interface configuration software or interface configuration app
| Configuration options | DIP switches Interface configuration software Interface configuration app Configuration display |
| Input signal type | Current |
| Input signal, current | AC 0,5 … 100 A; DC ±100 A |
| Frequency range | 15 … 1000 Hz |
| Maks. giriş sinyali | 100 A AC/DC |
| Yanıt eşiği | 250 mA (DC) / 250 mA (AC) |
| Resolution | 10 mA |
| Output signal type | Current Voltage |
| Output signal voltage | ± 5 V; 0 … 5 V; 1 … 5 V; ± 10 V; 0 … 10 V |
| Output signal current | ±10 mA; 0 … 10 mA; 2 … 10 mA; ±20 mA; 0 … 20 mA; 4 … 20 mA |
| Load impedance (output/voltage) | ≥ 1 kΩ |
| Load impedance (output/current) | ≤ 600 Ω |
| Max. switching voltage (DO) | Uygulanan besleme gerilimi: -0,3 V |
| Max. continuous current (DO) | 100 mA (no internal restriction) |
| Number of switching tresholds (DO) | 1 or 2 (adjustable) |
| Configurable rise/fall delay time (DO) | 0 … 60 s (via software) |
| Dielektrik dayanımı, açık kontak (AC, 1 dak) | 1kVeff |
| Number of changeover/switchover contacts | 1 |
| Contact material (relay) | AgNi + Au |
| Max. switching voltage | AC 250 V |
| Limiting continuous current (relay; terminal block assembly) | 6 A (6 A (60 °C´ye kadar), 3 A (60 °C … 70 °C)); 3 A (60 … 70 °C) |
| Dielectric strength open contact (AC, 1 min) | 1 kVrms |
| Çekme süresi (tip.) | 8ms |
| Bırakma süresi | 4ms |
| Sıçrama süresi (tip.) | 8ms |
| Number of switching tresholds (relay) | 1 or 2 (adjustable) |
| Configurable rise/fall delay time (relay) | 0 … 60 s (via software) |
| Ölçme prosedürü | Hakiki RMS ölçümü veya aritmetik ortalama değer |
| Max. operating frequency | 3,3 kHz |
| Filtre (T10-90) | moving mean value (filtering level: 30) |
| Step response typ. | 60 ms (DC; at software filter 3/default setting); 250 ms (AC) |
| İletim hatası (tam skala) | ≤ 1 % (of the full scale value) |
| Sıcaklık katsayısı | ≤ %0,01 /K |
| Type of power supply | 24 VDC |
| Nominal supply voltage US | DC 24 V |
| Supply voltage range | ±30 % |
| Current consumption at supply voltage | ≤ 50 mA (+ IDO) |
| Test voltage (input/output/supply) | AC 3 kV; 50 Hz; 1 min |
| Test voltage (measuring circuit/output) | AC 4 kV; 50 Hz; 1 min |
| Koruma sınıfı | IP20 |
| Bağlantı teknolojisi | CAGE CLAMP® S |
| WAGO terminal | picoMAX® 5.0 |
| Tek damarlı boylar | 0,2 … 2,5 mm² / 24 … 12 AWG |
| İnce bükümlü kablolar | 0,2 … 2,5 mm² / 24 … 12 AWG |
| Sıyırma uzunluğu | 9 … 10 mm / 0.35 … 0.39 inch |
| Ölçüm iletkeni için geçiş | Ø 9.5 mm |
| Width | 22,5 mm / 0.886 inch |
| DIN rayın üst kenarından yükseklik | 107 mm / 4.213 inch |
| Depth | 105 mm / 4.134 inch |
| Montaj tipi | DIN 35 ray |
| Yangın yükü | 1,918MJ |
| Ağırlık | 102,9 |
| Surrounding air (operating) temperature | -40 … 70 °C |
| Surrounding air (storage) temperature | -40 … 85 °C |
| Uygunluk işareti | CE |
| EMV-Störfestigkeit | EN 61000-6-2; EN 61326-2-3; EN 50121-3-2 |
| EMU: |
EN 61000-6-4; EN 61326-2-3; EN 50121-3-2 |
| Standartlar/spesifikasyonlar | EN 61010-1; EN 61373 |
| Product Group | 6 (Interface Electronics) |
| SAP´den ambalaj tipi | bag |
| Country of origin | DE |
| GTIN | 4050821676997 |
| Customs Tariff No. | 85437090300 |
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