Technical data

All values are typical values over the entire temperature range, unless stated otherwise.

EtherCAT

Connection

2 x M8 socket, 4-pin, A-coded, shielded

Electrical isolation

500 V

Distributed Clocks

yes

Minimum cycle time

100 µs

Supply voltages

Connection

Input: M8 connector, 4-pin, A-coded

Downstream connection: M8 socket, 4-pin, A-coded

US nominal voltage

24 VDC (-15 % / +20 %)

US sum current: IS,sum

max. 4 A

Current consumption from US

120 mA

Rated voltage UP

24 VDC (-15 % / +20 %)

UP sum current: IP,sum

max. 4 A

Current consumption from UP

The measuring bridge supply voltage Uref is generated internally from UP.

Measuring bridge connection

Signal interface

M12 socket, 5-pin, A-coded

Signal type

Resistor bridge, strain gauge (SG)

Number of analog inputs

2, for 1 bridge circuit in full bridge technology.

Cable length

max. 30 m between box and measuring bridge

Measured value resolution

24-bit, 32-bit representation

Conversion time

0.1 … 250 ms, configurable

Conversion rate

4 ... 10,000 samples/s (reciprocal of the conversion time)

Measuring error

< ±0.01 % 1) for the calculated load value based on the load end value with 10 V power supply and 20 mV bridge voltage (therefore nominal characteristic value for SG: 2 mV/V), self-calibration active, 50 Hz filter active.

Measuring range UD

max. -27 … +27 mV 2)

Recommended: -25 … +25 mV nominal voltage

Measuring range Uref

max. -13.8 … +13.8 V 2)

Supported nominal characteristic values

any, resolution of the parameter: 0.01 µV/V

Recommended: 0.5 … 2.5 mV/V

min. strain gauge resistance

Parallel use of strain gauges only recommended with suitable strain gauges

Input filter (hardware) cut-off frequency

10 kHz low-pass (-3 dB, see filter notes)

Filter (software)

Preset 50 Hz, configurable:
50/60 Hz FIR notch filter, IIR low-pass, 4-fold averager

Internal resistance

  • Uref-measurement input: > 200 kΩ
  • Ud-measurement input: > 1 MΩ

Measuring bridge supply voltage (sensor power supply)

Uref = 10 V (generated internally from UP)

max. 350 mA

1) External influences such as Temperature drift and RF interference can increase the measuring error.

2) See chapter Voltage measurement.

Housing data

Dimensions W x H x D

60 mm x 126 mm x 26.5 mm (without plug connectors)

Weight

approx. 250 g

Installation position

variable

Material

PA6 (polyamide)

Environmental conditions

Ambient temperature during operation

-25 … +60 °C
-25 … +55 °C according to cURus

Ambient temperature during storage

-40 … +85 °C

Vibration resistance, shock resistance

conforms to EN 60068-2-6 / EN 60068-2-27
Additional tests

EMC immunity / emission

conforms to EN 61000-6-2 / EN 61000-6-4

Protection class

IP65, IP66, IP67 (conforms to EN 60529)

Approvals/markings

Approvals/markings *)

CE, cURus

*) Real applicable approvals/markings see type plate on the side (product marking).

Additional tests

The devices have undergone the following additional tests:

Test

Explanation

Vibration

10 frequency sweeps in 3 axes

5 Hz < f < 60 Hz displacement 0.35 mm, constant amplitude

60.1 Hz < f < 500 Hz acceleration 5 g, constant amplitude

Shocks

1000 shocks in each direction, in 3 axes

35 g, 11 ms