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Article: 857-420
Brand: Wago
9836.64 грн.
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Description 857-420 Isolation amplifier;Current input signal;Current and voltage output signal
Short description:WAGO's isolation amplifier provides the power required for 2- or 3-wire field transmitters and electrically isolates analog signals.
Features:- Power supply to SMART transmitters
- Calibrated measurement range switching
- 3-way electrical isolation with 2.5 kV test voltage
Main attributes 857-420 Isolation amplifier;Current input signal;Current and voltage output signal
Configuration
Configuration options
DIP switch
Connection data
Connection technology
Push-in CAGE CLAMP®
Fine-stranded conductor
0.34 … 2.5 mm² / 22 … 14 AWG
Solid conductor
0.08 … 2.5 mm² / 28 … 14 AWG
Strip length
9 … 10 mm
Environmental requirements
Ambient temperature (operation)
-25 … +70 °C
Ambient temperature (storage)
-40 … +85 °C
Operating altitude (max.)
2000 m
Relative humidity
5 … 95 % (no condensation permissible)
Input
Input current (max.)
50 mA
Input resistance (input current)
≤ 50 Ω
Input signal (current)
0 … 20 mA; 4 … 20 mA (calibrated switching)
Input signal type
Current
Sensor supply
Uv = 18 V; 30 mA
Material data
Fire load
0.543 MJ
Flammability class per UL94
V0
Insulation material (main housing)
Polyamide (PA66)
Weight
37 g
Measurement error
Temperature coefficient
≤ 0.01 %/K
Transmission error (typ.)
≤ 0.1 % of upper-range value
Mechanical data
Mounting type
DIN-35 rail
Output (analog)
Bias
≤ 20 µA
Load impedance (current output)
≤ 600 Ω
Load impedance (voltage output)
≥ 2 kΩ
Output signal (current)
0 … 20 mA; 4 … 20 mA (calibrated switching)
Output signal (voltage)
0 … 5 V; 1 … 5 V; 0 … 10 V; 2 … 10 V (calibrated switching)
Output signal type
Voltage
Residual pulsation
≤ 10 mV (rms)
Physical data
Depth from upper-edge of DIN-rail
97.8 mm
Height
94 mm
Width
6 mm
Power supply
Current consumption at nominal supply voltage
≤ 45 mA
Nominal supply voltage Uₛ
DC 24 V
Power supply type
24 VDC
Supply voltage range
±30 %
Safety and protection
Protection type
IP20
Signal processing
Limit frequency
100 Hz
Step response (typ.)
3.5 ms
Standards and specifications
Conformity marking
CE
Standards/specifications
DNV
Test voltage
Test voltage (input/output/supply)
AC 2.5 kV; 50 Hz; 1 min
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857-420 Isolation amplifier;Current input signal;Current and voltage output signal
Article:857-420
Pre-Order
9836.64 грн.
