2857-570/024-001

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Part Number: 2857-570/024-001
Tariff Code: 85437090300
UPC: 4055143827539

Group Code : EG000026

Group Description : Sensors

Class Description : Power value transformer

Class Code : EC002476

Version : 7

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Communication

Communication: Modbus® RTU
Interface: RS-485 (2-wire) via RJ-45
Number of devices (max.): 32
Addressing: Via interface configuration software

Signal Processing

Measurement method: True RMS measurement (measured value acquisition with 8 kHz)
Measured variables (calculated): Line-to-line voltage || Outputs || Energy sources || Power factors || Mains frequency || Harmonics analysis (up to 41st harmonic) || Total Harmonic Distortion (THD)
Signal form: Any periodic signals (considering the threshold frequencies)
Limit frequency: 15.9 kHz
Type of memory card: WAGO 758-879/000-3102 (microSD; 2 GB)

Configuration

Configuration options: WAGO Interface Configuration Software

Environmental Requirements

Ambient temperature (operation): -40 … +70 °C
Ambient temperature (storage): -40 … +85 °C
Relative humidity: 5 … 95 % (non-condensing)

Output (Digital)

Switching voltage (DO) max.: Supply voltage applied
Continuous current (DO) max.: 100 mA (no internal restriction)
Configurable functions (DO): Threshold value switch || Pulse output (S0 interface)

Connection Data

Connection type 1: Voltage
Connection technology: Push-in CAGE CLAMP®
WAGO connector: WAGO 804 Series
Solid conductor: 0.25 … 2.5 mm² / 24 … 14 AWG
Fine-stranded conductor: 0.25 … 2.5 mm² / 24 … 14 AWG
Strip length: 10 … 11 mm / 0.39 … 0.43 inches
Connection type 2: Current/power supply/DO
Connection technology 2: Push-in CAGE CLAMP®
WAGO connector 2: WAGO 805 Series
Solid conductor 2: 0.2 … 1.5 mm² / 24 … 16 AWG
Fine-stranded conductor 2: 0.2 … 1.5 mm² / 24 … 16 AWG
Strip length 2: 9 … 10 mm / 0.35 … 0.39 inches
Connection type 3: Modbus® communication
Connector: 2 x RJ-45 (daisy chain configuration)

Signaling And Communication

Communication: Modbus® RTU
Configuration options: WAGO Interface Configuration Software
Number of devices (max.): 32
Input signal (voltage): AC 277 V (ULN); AC 480 V (ULL)

Supply

Power supply type: 24 VDC
Nominal supply voltage US: DC 24 V (SELV)
Supply voltage range: ±30 %
Current consumption at nominal supply voltage: ≤ 50 mA (+ IDO)

Physical Data

Width: 72 mm / 2.835 inches
Height: 90 mm / 3.54 inches
Depth from upper-edge of DIN-rail: 55 mm / 2.165 inches

Measurement Error

Transmission error (max.): ≤ 0.5 % for current and voltage (of the full scale value)

Material Data

Fire load: 0.044 MJ
Weight: 115.550 g

Input

Input signal type: Voltage || Current || RTD sensors
Network configuration: 3-phase power measurement with N-conductor (4-conductor) || 3-phase power measurement without N-conductor (3-conductor)
Input signal (voltage): AC 277 V (ULN); AC 480 V (ULL)
Input signal (current): AC 1 A (current transformer)
Frequency range: 50 … 60 Hz (Harmonics analysis: 0 … 3.3 kHz)
Input resistance (current input): 22 mΩ
Input resistance (voltage input): 1.5 MΩ
Input current (max.): 1 AAC
Response threshold: 10 mA
Resolution (current): 10 mA