Analog Input
EL3356
Error Ref.
Self test
Measure
Power LED
Error Diff.
Self calibration
Steady state
Run LED
Power contact
+UV
+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.
to be supplied from an
external source, max. 12 V,
e.g. EL9510.
EL3356 | 1-channel accurate resistance bridge evaluation
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.
| Technical data | EL3356 | ES3356 |
|---|---|
| Number of inputs | 2, for 1 resistor bridge |
| Power supply | via the E-bus |
| Technology | resistor bridge, strain gauge |
| Distributed clocks | – |
| Measuring range UD | max. -25…+25 mV rated voltage |
| Measuring range UREF | max. -12…+12 V rated voltage |
| Internal resistance | > 200 kΩ (UREF), > 1 MΩ (UD) |
| 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 from power contacts, dependent on sensor |
| Resolution | 16 bits, 32 bits presentation |
| Measuring error | < ±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 |
| Supported nominal sensitivity | all, resolution of parameter: 0.01 µV/V recommended: 0.5…4 mV/V |
| Special features | auto-calibration, quadruple averager, dynamic filters |
| Weight | approx. 60 g |
| Operating/storage temperature | 0…+55 °C/-25…+85 °C |
| 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 |
| Protect. class/installation pos. | IP 20/variable |
| Pluggable wiring | for all ESxxxx terminals |
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| Related products | |
|---|---|
| EL3356-0010 | 1-channel precise load cell analysis (resistor bridge), 24 bit |
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