857-551 - Current signal conditioner; Current input signal; Current and voltage output signal; Digital output; Configuration via software; Supply voltage: 24 VDC; 6 mm module width
- Brand: Wago
- Product Code: 857-551
Description: Short description: WAGOs current signal conditioner measures AC/DC currents up to 5 A, converting the input signal to a standard analog signal at the output. Features: Two isolated measurement inputs for 1 and 5 A AC/DC (when mounted individually: 6 A AC/DC) RMS measurement or arithmetic mean value A digital signal output reacts to configured measurement range limits (on/off switching delay and threshold value switch function can be configured with up to two threshold values). Switchable filter function Safe 3-way isolation with 3 kV test voltage per EN 61010-1
Description: Short description: WAGOs current signal conditioner measures AC/DC currents up to 5 A, converting the input signal to a standard analog signal at the output. Features: Two isolated measurement inputs for 1 and 5 A AC/DC (when mounted individually: 6 A AC/DC) RMS measurement or arithmetic mean value A digital signal output reacts to configured measurement range limits (on/off switching delay and threshold value switch function can be configured with up to two threshold values). Switchable filter function Safe 3-way isolation with 3 kV test voltage per EN 61010-1
- Available Quantity: 0
$382.60
Technical data
Configuration
Configuration options | DIP switch WAGO Interface Configuration Software DIP switch WAGO Interface Configuration Software |
Input
Input signal type | Current |
Input signal (A) | AC/DC 0 … 5 A (IN 1) AC/DC 0 … 6 A (IN 1) |
Frequency range | 16 … 200 Hz |
Input resistance (current input) | 47 mΩ (IN 1); 10 mΩ (IN 2) |
Input current (max.) | 15 A (IN 1; 5 s); 10 A (IN 3; 5 s) |
Response threshold | 10 mA (IN 1); 2 mA (IN 3) |
Resolution (current) | 1 mA (IN 1); 0.5 mA (IN 3) |
Output – analog
Output signal type | Current Voltage |
Output signal (V) | 0 … 5 V 1 … 5 V 0 … 10 V 2 … 10 V |
Output signal (A) | 0 … 10 mA 2 … 10 mA 0 … 20 mA 4 … 20 mA |
Load impedance (voltage output) | ≥ 2 kΩ |
Load impedance (current output) | ≤ 600 Ω |
Output – digital
Switching voltage (DO) max. | Supply voltage applied |
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) |
Signal processing
Measurement method | True RMS measurement; Arithmetic mean value |
Software filter (adjustable) | Moving average value (filter level: 30) |
Step response (typ.) | 60 ms (For software filter 3) |
Step response (max.) | 250 ms |
Measurement error
Transmission error (max.) | ≤ 0.5 % (of the full scale value) |
Temperature coefficient | 1 A input: ≤ 0.01 %/K (typ.); ≤ 0.02 %/K (max.); |
Supply
Nominal supply voltage US | DC 24 V (SELV) |
Supply voltage range | ±30 % |
Current consumption at nominal supply voltage | ≤ 50 mA (+ IDO) |
Notes
Note |
|
Safety and protection
Measurement category per EN 61010-2-030 | CAT II (input 300 VAC) |
Note on insulation parameters | The digital output (DO) is at the potential of the supply. Danger: Configuration via the service interface must only be performed with a voltage-free measurement input! Danger: Configuration via the service interface must only be performed with a voltage-free measurement input! The digital output (DO) is at the potential of the supply |
Protection type | IP20 |
Connection data
Connection technology | Push-in CAGE CLAMP® |
Solid conductor | 0.08 … 2.5 mm² / 28 … 14 AWG |
Fine-stranded conductor | 0.34 … 2.5 mm² / 22 … 14 AWG |
Strip length | 9 … 10 mm / 0.35 … 0.39 inches |
Physical data
Width | 6 mm / 0.236 inches |
Height | 94 mm / 3.701 inches |
Depth from upper-edge of DIN-rail | 97.8 mm / 3.85 inches |
Mechanical data
Mounting type | DIN-35 rail |
Material data
Weight | 38.2 |
Environmental requirements
Ambient temperature (operation) | -40 … +70 °C (at nominal current) |
Surrounding air temperature (storage) | -40 … +85 °C |
Temperature range of connection cable per EN 61010-2-201 | ≥ (Tambient + 34 K) |
Relative humidity | 5 … 95 % (no condensation permissible) |
Operating altitude (max.) | 2000 |
Standards and specifications
Conformity marking | CE |
EMC immunity to interference | EN 61000-6-2, EN 61326-1 |
EMC emission of interference | EN 61000-6-3; EN 61326-1 |
Standards/specifications | EN 61010-1 |
Instruction Leaflet
Strommessumformer
Additional Information
Disposal; Electrical and electronic equipment, Packaging
Software for Interface-Products
WAGO Interface Configuration Software G2 SMALL
WAGO Interface Configuration Software G2 FULL
CAD data
2D/3D Models 857-551
CAE data
ZUKEN Portal 857-551
Compliance Search
Environmental Product Compliance 857-551