857-500

Additional Information

Part Number

857-500

UPC

4050821226741

Tariff Code

85437090300

ETIM

Group Code : EG000026

Group Description : Sensors

Class Description : Frequency value transformer

Class Code : EC002918

Version : 7

Output (Analog)

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 (voltage output)

≥ 2 kΩ

Load impedance (current output)

≤ 600 Ω

Input (Sensor Type 3)

Sensor type 3

NPN/PNP transistor output without pull-up or pull-down resistor || Mechanical contact (dry contact)

Measurement range (frequency) 3

0.1 Hz … 20 kHz

Pulse length 3

≥ 25 µs

Measurement span 3 (min.)

100 Hz

Open-circuit voltage

DC 5 V

NPN residual voltage

≤ 1.5 V

PNP switching voltage

≥ 7.5 V (+ residual voltage UCE sat)

Signal Processing

Conversion time

Peak-time measurement method (> 400 Hz): < 20 ms; Pulse time measurement method (< 400 Hz): < 200 μs + TCycle duration

Configuration

Configuration options

DIP switch || WAGO Interface Configuration Software || WAGO Interface Configuration App

Environmental Requirements

Ambient temperature (operation)

-25 … +70 °C

Ambient temperature (storage)

-40 … +85 °C

Relative humidity

5 … 95 % (no condensation permissible)

Operating altitude (max.)

2000 m

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

Signaling And Communication

Configuration options

DIP switch || WAGO Interface Configuration Software || WAGO Interface Configuration App

Supply

Power supply type

24 VDC

Nominal supply voltage US

DC 24 V

Supply voltage range

±30 %

Current consumption at nominal supply voltage

≤ 40 mA

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

Measurement Error

Transmission error (typ.)

≤ 0.1 % of upper-range value

Temperature coefficient

≤ 0.01 %/K

Material Data

Fire load

0.418 MJ

Weight

36.200 g

Input

Input signal type

Frequency generators || NAMUR sensors || NPN/PNP transistor outputs || Mechanical contact (dry contact)

Input (Sensor Type 1)

Sensor type 1

Frequency generator || NPN/PNP transistor output with pull-up or pull-down resistor

Measurement range (frequency) 1

0.1 Hz … 120 kHz

Measurement span 1 (min.)

10 Hz

Signal level

1.5 V; 10 V; 20 V (switchable)

Input voltage (max.)

± DC 31.2 V

Signal form

Any

Coupling

AC/DC (adjustable; AC above 10 Hz)

Input resistance

10 kΩ

Standards And Specifications

Conformity marking

CE

EMC immunity to interference

EN 61000-6-2

EMC emission of interference

EN 61000-6-4

Standards/specifications

EN 61373

Mechanical Data

Mounting type

DIN-35 rail

Specifications

Product Group Code

0006

Commercial Data

Packaging type

Bag

Country of origin

DE

GTIN

4050821226741

Customs tariff number

85437090300

Test Voltage

Test voltage (input/output/supply)

AC 2.5 kV; 50 Hz; 1 min

Input (Sensor Type 2)

Sensor type 2

NAMUR sensor (DIN EN 50227)

Measurement range (frequency) 2

0.1 Hz … 1 kHz

Pulse length 2

≥ 500 µs

Measurement span 2 (min.)

10 Hz

Sensor supply

DC 8.2 V

Signal current (0)

≤ 1.2 mA

Signal current (1)

≥ 2.1 mA

Hysteresis

0.45 mA

Short circuit monitoring

≥ 4.7 mA

Wire break monitoring

≤ 0.2 mA

Input resistance 2

≤ 600 Ω