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Beckhoff Automation Sdn. Bhd.

Lot 7, Lorong Teknologi A, Jalan Teknologi,
Taman Perindustrian Sains Selangor, Kota Damansara,
47810, Petaling Jaya, Selangor, Malaysia

+60 3 6151-3088
info@beckhoff.com.my
www.beckhoff.com/ms-my/

EL3356-0090 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, TwinSAFE SC

Image similar, may contain optional accessories
EL3356-0090 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, TwinSAFE SC

EL3356-0090 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, TwinSAFE SC

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.
EL3356-0090 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, TwinSAFE SC

EL3356-0090 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 24 bit, high-precision, TwinSAFE SC

TwinSAFE SC: Making standard signals usable for safety tasks

Distributed Clocks: the integrated time management system in EtherCAT

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

TwinSAFE SC: Making standard signals usable for safety tasks

Distributed Clocks: the integrated time management system in EtherCAT

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

The analog EL3356-0090 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) and dynamic filters the terminal with measuring cycles of 10 ms can be used for slow weighings with high precision.

With the aid of the TwinSAFE SC technology (TwinSAFE Single Channel) it is possible to make use of standard signals for safety tasks in any network or fieldbus. To do this, EtherCAT I/Os from the areas of analog input, position measurement or communication (4…20 mA, incremental encoder, IO-Link, etc.) are extended by the TwinSAFE SC function. The properties typical for the signals and the standard functions of the I/O components are retained. TwinSAFE SC I/Os differ optically from standard I/Os by a yellow stripe on the front of the housing.

The TwinSAFE SC technology enables communication via a TwinSAFE protocol. These connections can be distinguished from the usual secure communication via Safety over EtherCAT.

The data from the TwinSAFE SC components is fed via a TwinSAFE protocol to the TwinSAFE Logic, where it can be used in the context of safety-relevant applications. Detailed examples confirmed/calculated by the TÜV SÜD for the correct application of the TwinSAFE SC components and the respective normative classifications can be found in the TwinSAFE application manual.

Product status:

regular delivery

Product information

Technical dataEL3356-0090
Number of inputs2, for 1 resistor bridge in full bridge technology
Power supplyvia the E-bus
Distributed clocksyes
Measuring range UDmax. ±27 mV
Measuring range UREFmax. ±13.8 V
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 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
Current consumption power contactsdepends on strain gauge supply, min. 1 mA
Current consumption E-bustyp. 280 mA
Special featuresTwinSAFE SC, self-calibration, quadruple averager, dynamic filters
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
Pluggable wiringfor all ESxxxx terminals
Approvals/markingsCE, UL, ATEX, IECEx
Protect. rating/installation pos.IP20/variable
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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