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857-500
Frequency signal conditioner

Frequency signal conditioner; Current and voltage output signal; Configuration via software; Supply voltage: 24 VDC; 6 mm module width Short description: The 857-500 Frequency Transducer NAMUR collects 0.1–120kHz signals from NPN or PNP sensors and converts them into analog standard signals. Features: Signal reception from NAMUR, NPN or PNP sensors Caliber scale change Safe, 3-way isolation with 2.5 kV test voltage according to EN 61140

Frequency signal conditioner; Current and voltage output signal; Configuration via software; Supply voltage: 24 VDC; 6 mm module width
Short description:

The 857-500 Frequency Transducer NAMUR collects 0.1–120kHz signals from NPN or PNP sensors and converts them into analog standard signals.

Features:

  • Signal reception from NAMUR, NPN or PNP sensors
  • Caliber scale change
  • Safe, 3-way isolation with 2.5 kV test voltage according to EN 61140

Configuration options DIP switches
Interface configuration software
Interface configuration app
Input signal type Frequency generators
NAMUR sensors
NPN/PNP transistor outputs
Mechanical contact (dry contact)
Pulse length 1 ≥ 1µs
Sensor type 1 frequency generator
NPN/PNP transistor outputs with pull-up or pull-down resistor
Frequency measurement range 1 0,1 Hz … 120 kHz
Min. measuring span 1 10Hz
Sinyal seviyesi 1,5 V, 10 V, 20 V (değiştirilebilir)
Max. input voltage ± DC 31,2 V
Signal form Any
Kuplaj AC/DC (AC 10 Hz´in üzerinde) (ayarlanabilir)
Input resistance 10
Short-circuit current ≤ 14mA
Sensor type 2 NAMUR sensor per DIN EN 50227
Frequency measurement range 2 0,1 Hz … 1 kHz
Pulse length 2 ≥ 500 µs
Min. measuring span 2 10Hz
Sensor supply DC 8,2 V
Signal current (0) ≤ 1,2 mA
Signal current (1) ≥ 2,1 mA
Histeresis 0,45mA
Short-circuit monitoring ≥ 4,7 mA
Wire break monitoring ≤ 0,2 mA
Input resistance 2 ≤ 600 Ω
Sensor type 3 NPN/PNP transistor output without pull-up or pull-down resistor
mechanical contact (dry contact)
Frequency measurement range 3 0,1 Hz … 20 kHz
Pulse length 3 ≥ 25 µs
Min. measuring span 3 100Hz
Open-circuit voltage DC 5 V
NPN residual voltage ≤ 1,5 V
PNP switching voltage ≥ 7,5 V (+ residual voltage UCE sat)
Output signal type Current
Voltage
Output signal voltage 0 … 5 V; 1 … 5 V; 0 … 10 V; 2 … 10 V
Output signal current 0 … 10 mA; 2 … 10 mA; 0 … 20 mA; 4 … 20 mA
Load impedance (output/voltage) ≥ 2 kΩ
Load impedance (output/current) ≤ 600 Ω
Çevirme süresi Ölçüm (Gate) süresi ölçüm yöntemi (> 400 Hz): < 20 ms Pals süresi ölçüm yöntemi (< 400 Hz): < 200 μs + TDöngü süresi
İletim hatası ≤ 0.1 % of upper range 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 ≤ 40 mA
Test voltage (input/output/supply) AC 2,5 kV; 50 Hz; 1 min
Koruma sınıfı IP20
Bağlantı teknolojisi CAGE CLAMP® S
Tek damarlı boylar 0,08 … 2,5 mm² / 28 … 14 AWG
İnce bükümlü kablolar 0,34 … 2,5 mm² / 22 … 14 AWG
Sıyırma uzunluğu 9 … 10 mm / 0.35 … 0.39 inch
Width 6 mm / 0.236 inch
DIN rayın üst kenarından yükseklik 97,8 mm / 3.85 inch
Depth 94 mm / 3.701 inch
Montaj tipi DIN 35 ray
Renk açık gri
Yangın yükü 0,762MJ
Ağırlık 36,2
Surrounding air (operating) temperature -25 … 70 °C
Surrounding air (storage) temperature -40 … 85 °C
Uygunluk işareti CE
EMV-Störfestigkeit EN 61000-6-2
EMU: 1 - enterferans emisyonu EN 61000-6-4
Product Group 6 (Interface Electronics)
SAP´den ambalaj tipi bag
Country of origin DE
GTIN 4050821226741
Customs Tariff No. 85437090300

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