Technical data
 | RMS value (rms) specifications All AC value specifications in this documentation such as RMS specifications (rms) refer to a 50/60 Hz 3-phase mains network with a sinusoidal waveform (crest factor 1.414). |
Technical data | EL3773 |
|---|---|
Number of inputs | 3 x current, 3 x voltage |
Oversampling factor | n = 1…100 selectable |
Distributed Clocks | yes |
Accuracy of Distributed Clocks | << 1 µs |
Input filter limit frequency | adjustable, 200 ... 15,000 Hz |
Conversion time | min. 100 µs, all channels measured simultaneously |
Sampling type | simultaneous |
Ground reference | single ended |
Rated mains voltage | 230 Vrms (ULX-N) or 400 Vrms (ULX-ULY) |
Voltage measuring range (nominal range) | DC: ±410 V AC accordingly: 500 Vrms AC 3~ (ULX-N: 288 Vrms AC) |
Max. permitted overvoltage | max. ±500 V (peak value, ULX-N, corresponds with 353 Vrms) **) |
Voltage resolution | 1 digit ~ 12.5 mV (16 bit incl. sign) |
Input resistance voltage circuit | typ. 1.8 MΩ |
Current measuring range (nominal range) | DC: ±1.5 A AC accordingly: 3 x 1 Arms **) AC recommended via measuring transformer x A AC/1 A AC |
Max. permitted overcurrent | max. ±1.8 A (peak value, corresponds with 1.2 Arms) **) the upstream use of current/limiting current transformers is recommended |
Current resolution | 1 digit ~ 45.7 µA (16 bit incl. sign) |
Input resistance current path | typ. 30 mΩ |
Signal type | variable |
Measuring error (for DC measuring) | < ±0.5 % (relative to full scale value) |
Electrical isolation | 2,500 V |
Current consumption of power contacts | - |
Current consumption via E-bus | 200 mA typ. |
Configuration | via TwinCAT System Manager |
Weight | approx. 75 g |
permissible ambient temperature range during operation | 0°C ... +55°C |
permissible ambient temperature range during storage | -25°C ... +85°C |
permissible relative humidity | 95 %, no condensation |
Dimensions (W x H x D) | approx. 15 mm x 100 mm x 70 mm |
on 35 mm mounting rail conforms to EN 60715 | |
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 |
Protection class | IP20 |
Installation position | variable |
Marking / Approval *) | CE, |
*) Real applicable approvals/markings see type plate on the side (product marking).
**) Operation for longer periods above the rated range can impair the function and/or lead to a shortening of the service life