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Artikelnummer 2857-550

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

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Short description:

This current signal conditioner measures AC/DC currents up to 100 A, while converting the measured current into an analog standard signal at the output.

Features:

  • Both digital signal output and relay with changeover contact react to configured measurement range limits (on/off switching delay and threshold value switch function can be configured with up to two threshold values).
  • Clipping capability for analog signal limitation to output end values
  • Adjustable software filter
  • Input/output response simulation via configuration display
  • Safe 3-way isolation with 3 kV test voltage per EN 61010-1

Note:
  • The device is supplied with 24 VDC, which can be commoned using lateral push-in type jumper bars: (6.1) US+ (BR) and (6.2) GND 2 (BR). With this variant, it is necessary to ensure that the max. permissible total current of 2 A is not exceeded.
  • Additional setting options via WAGO Interface Configuration Software or WAGO Configuration Displa

Productdetails

Details
Technical Data
Configuration
Configuration options DIP switch
WAGO interface configuration software
WAGO interface configuration app
WAGO configuration display
Input
Input signal type Current
Input signal (current) AC 0.5 … 100 A; DC ±100 A
Frequency range 15 … 1000 Hz
Input current (max.) 100 A AC/DC
Response threshold 500 mA (AC); 250 mA (DC)
Resolution (current) 10 mA
Output – Analog
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 (voltage output) ≥ 1 kΩ
Load impedance (current output) ≤ 600 Ω
Output – Digital
Switching voltage (DO) (max.) Supply voltage (applied): −0.3 V
Continuous current (DO) (max.) 100 mA (no internal restriction)
Number of switching thresholds (DO) 1 or 2 (adjustable)
Configurable rise/fall delay time (DO) 0 … 60 s (via software)
Output – Relay
Dielectric strength, open contact (AC, 1 min) 1 kVrms
Number of changeover/switchover contacts 1
Contact material (relay) AgNi + Au
Switching voltage (max.) AC 250 V
Limiting continuous current (relay; module assembly) 6 A (≤ 60 °C); 3 A (60 … 70 °C)
Dielectric strength, open contact (AC, 1 min) 1 kVrms
Pull-in time (typ.) 8 ms
Drop-out time (typ.) 4 ms
Bounce time (typ.) 8 ms
Number of switching thresholds (relay) 1 or 2 (adjustable)
Configurable rise/fall delay time (relay) 0 … 60 s (via software)
Signal processing
Measurement method True RMS measurement; Arithmetic mean value
Limit frequency 3.3 kHz
Software filter (adjustable) Moving average value (filter level: 30)
Step response (typ.) 60 ms (DC; for software filter 3/default setting); 250 ms (AC)
Measurement error
Transmission error (max.) ≤ 1 % (of the full scale value)
Temperature coefficient ≤ 0.01 %/K
Supply
Power supply type 24 VDC
Nominal supply voltage US DC 24 V
Supply voltage range ±30 %
Power consumption at nominal supply voltage ≤ 50 mA (+ IDO)
Safety and protection
Test voltage (input/output/supply) AC 3 kV; 50 Hz; 1 min
Rated voltage of the measurement circuit connections per EN 61010-2-030 AC 300 V
Measurement category per EN/UL 61010-2-030 CAT II (input)
Note on insulation parameters The conductor carrying the measurement current must have at least basic insulation for the voltage used.
The nominal insulation voltage of the conductor carrying the measurement current must be at least 1390 Vrms AC or 1390 VDC.
The digital output (DO) is at the potential of the supply.
Protection type IP20
Test voltage
Test voltage (input/output/supply) AC 3 kV; 50 Hz; 1 min
Test voltage (measurement circuit/relay output/supply/analog output) 3 kVAC; 50 … 60 Hz; 1 min
Prüfspannung (Messkreis/Relaisausgang/Versorgung/Service-Schnittstelle ) 3 kVAC; 50 … 60 Hz; 1 min
Test voltage (analog output/service interface) 2 kVAC; 50 … 60 Hz; 1 min
Connection data
Connection technology Push-in CAGE CLAMP®
WAGO Connector picoMAX® 5.0
Solid conductor 0.2 … 2.5 mm² / 24 … 12 AWG
Fine-stranded conductor 0.2 … 2.5 mm² / 24 … 12 AWG
Strip length 9 … 10 mm / 0.35 … 0.39 inch
Feedthrough for measurement conductor Ø 9.5 mm
Physical data
Width 22.5 mm / 0.886 inch
Height from upper-edge of DIN-rail 107 mm / 4.213 inch
Depth 105 mm / 4.134 inch
Mechanical data
Mounting type DIN-35 rail
Material Data
Weight 102,9 g
Environmental Requirements
Surrounding air temperature (operation) -40 … 70 °C
Surrounding air temperature (storage) -40 … 85 °C
Temperature range of the connecting cable according to EN 61010-2-201 ≥ (Tsurrounding air + 10 K)
Temperaturbereich der Anschlussleitung gemäß UL 61010-2-201 min. 90 °C
Standards and specifications
Conformity marking CE
EMC immunity to interference EN 61000-6-2; EN 61326-2-3; EN 50121-3-2
EMC emission of interference EN 61000-6-4; EN 61326-2-3; EN 50121-3-2
Standards/specifications EN 61010-1; EN 61373
Commercial data
Product Group 6 (Interface Electronics)
Packaging type bag
Country of origin DE
GTIN 4050821676997
Customs tariff number 85437090300
Downloads
CAD/CAE-Data
CAD data
2D/3D Models 2857-550
CAE data
EPLAN Data Portal 2857-550
WSCAD Universe 2857-550
ZUKEN Portal 2857-550
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Gebruiksinstructies
4 Images
Configuring

Configuration via DIP switches

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2 Images
Conductor termination

Pluggable connection technology

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1 Image
Safety

Lock-out seal option

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