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Beckhoff Automation (Pty) Ltd

7 Ateljee Street
Randpark Ridge, Randburg
Gauteng
2169, South Africa

+27 11 795 2898
info@beckhoff.co.za
www.beckhoff.com/en-za/

EL3356-0020 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, factory calibrated

EL3356-0020 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, factory calibrated

EL3356-0020 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, factory calibrated

Run LED
Steady state
Self calibration
Error Diff.
Power LED
Measure
Self test
Error Ref.
Power contact
+UV
Power contact 0 V
+UD
-UD
-Uv
Shield
+UREF
-UREF
+Uv
Shield
Top view 
Contact assembly 
The supply voltage UV has
to be supplied from an
external source, max. 12 V,
e.g. EL9510.
EL3356-0020 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, factory calibrated

EL3356-0020 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, factory calibrated

Distributed Clocks: the integrated time management system in EtherCAT

For demanding applications: calibrated analog inputs

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

Distributed Clocks: the integrated time management system in EtherCAT

For demanding applications: calibrated analog inputs

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

The analog EL3356-0020 input terminal enables direct connection of a resistor bridge or load cell in a 4- or 6-wire connection technology. The ratio between the bridge voltage UD and the supply voltage UREF is determined simultaneously in the input circuit and the final load value is calculated as a process value on the basis of the settings in the terminal. With automatic self-calibration (can be deactivated), dynamic filters and distributed clock support, the terminal with measuring cycles of 100 µs can be used for fast and precise monitoring of torque or vibration sensors.

The individual Beckhoff factory calibration certificate can be downloaded here for each device. Recalibration (ZS9001) is possible via Beckhoff Service.

Product status:

regular delivery

Product information

Technical dataEL3356-0020
Number of inputs2, for 1 resistor bridge in full bridge technology
Distributed clocksyes
Measuring range UDmax. -25…+25 mV rated voltage
Measuring range UREFmax. -12…+12 V rated voltage
Internal resistance> 200 kΩ (UREF), > 1 MΩ (UD)
Supported nominal sensitivityall, parameter resolution: 0.01 µV/V; recommended: 0.5…4 mV/V
Input filter limit frequency10 kHz low pass (-3 dB)
Conversion time0.1…250 ms, configurable, max. 10,000 samples/s
Conversion rate10,000…4 samples/s (0.1…250 ms conversion time)
Power supply UVup to 12 V DC from power contacts, dependent on sensor
Resolution24 bit, 32 bit presentation
Measurement error/ uncertainty< ±0.01% for the calculated load value in relation to the final load value with a 12 V feed and 24 mV bridge voltage (hence nominal strain gauge characteristic value of 2 mV/V), self-calibration active, 50 Hz filter active
Calibration certificate (analog)factory calibrated
Current consumption power contactsdepends on strain gauge supply, min. 1 mA
Current consumption E-bustyp. 280 mA
Special featuresself-calibration, quadruple averager, dynamic filters, fast data sampling, with calibration certificate
Operating/storage temperature0…+55°C/-25…+85°C
Weightapprox. 60 g
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protect. rating/installation pos.IP20/variable
Approvals/markingsCE, UL, ATEX, IECEx
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataEL-12-8pin
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

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