![EL3356 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 16 bit](https://multimedia.beckhoff.com/media/el3356__web_preview.png)
The analog EL3356 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.
Product status:
regular delivery
Product information
Technical data | EL3356 |
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Number of inputs | 2, for 1 resistor bridge in full bridge technology |
Power supply | via the E-bus |
Distributed clocks | – |
Measuring range UD | max. ±27 mV |
Measuring range UREF | max. ±13.8 V |
Internal resistance | > 200 kΩ (UREF), > 1 MΩ (UD) |
Supported nominal sensitivity | all, parameter resolution: 0.01 µV/V; recommended: 0.5…4 mV/V |
Input filter limit frequency | 10 kHz low pass (-3 dB) |
Conversion rate | 100…4 samples/s (10…250 ms conversion time) |
Power supply UV | up to 12 V DC from power contacts, dependent on sensor |
Resolution | 16 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 contacts | depends on strain gauge supply, min. 1 mA |
Current consumption E-bus | typ. 210 mA |
Special features | self-calibration, quadruple averager, dynamic filters |
Operating/storage temperature | 0…+55°C/-25…+85°C |
Weight | approx. 60 g |
Relative humidity | 95%, no condensation |
Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
Pluggable wiring | for all ESxxxx terminals |
Approvals/markings | CE, UL, ATEX, IECEx |
Protect. rating/installation pos. | IP20/variable |
Ex marking | ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc |
Housing data | EL-12-8pin | ES-12-8pin |
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Design form | compact terminal housing with signal LEDs | terminal housing with pluggable wiring level |
Material | polycarbonate | |
Dimensions (W x H x D) | 12 mm x 100 mm x 68 mm | |
Installation | on 35 mm DIN rail, conforming to EN 60715 with lock | |
Side by side mounting by means of | double slot and key connection | |
Marking | labeling of the BZxxx series | |
Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver | |
Connection cross-section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² | s*: 0.08…1.5 mm², st*: 0.08…1.5 mm², f*: 0.14…1.5 mm² |
Connection cross-section AWG | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 | s*: AWG28…16, st*: AWG28…16, f*: AWG26…16 |
Stripping length | 8…9 mm | 9…10 mm |
Current load power contacts | Imax: 10 A |
*s: solid wire; st: stranded wire; f: with ferrule
Ordering information | |
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EL3356 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 16 bit |
ES3356 | EtherCAT Terminal, 1-channel analog input, measuring bridge, full bridge, 16 bit, pluggable wiring |
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