The ELM3002-0235 EtherCAT Terminal of the basic series is designed for high-voltage measurement on batteries and generators and supports the measuring ranges ±60/360/600 and 1200 V. The measuring range is selected in the CoE, as are the other setting options such as the filter parameters. Irrespective of the signal configuration, all ELM modules have the same technological properties. The ELM3002-0235 with oversampling offers a maximum sampling rate of 50,000 samples per second. The terminal is equipped with 4 mm lab jacks.
The individual calibration certificate for each device, in accordance with ISO 17025 or DAkkS, depending on the device variant, can be downloaded here. These calibration certificates are issued for Beckhoff by an accredited service provider. Recalibration on request.
Extensive documentation is available from Beckhoff sales, support or measurement@beckhoff.com.
This ELM3xxx series measurement terminal enables efficient implementation of complex system-integrated data acquisition systems (DAQ) that place high demands on measurement accuracy and time synchronization.
Product status:
regular delivery
Product information
| System data | ELM300x |
|---|---|
| Voltage measurement | ±1200/600/360/60 V |
| Technical data | ELM3002-0235 |
|---|---|
| Number of channels | 2 |
| Technology | voltage measurement |
| Signal type | differential |
| Connection technology | 2-wire |
| Connection type | 4 mm laboratory plug, service plug 1-pin |
| Max. sampling rate | max. 20 µs/50 ksps (per channel, simultaneously) |
| Oversampling factor | n = 1…100 selectable |
| Internal resistance | typ. > 10 MΩ |
| Measurement error/uncertainty | typ. < ±200 ppm/±0.02% in some measuring ranges, relative to the respective full scale value (DC), see documentation |
| Temperature coefficient | up to typ. < 50 ppm/K in some measuring ranges, see documentation |
| Functional diagnostics | yes |
| Distributed clocks | yes, accuracy << 1 µs |
| Resolution | 24 bit (incl. sign) |
| Measurement class/overvoltage class | 1000 V CAT II, 1000 V CAT III (in preparation), 600 V CAT IV (in preparation); according to EN61010-2-030 |
| Electrical isolation channel/channel | reinforced insulation, test voltage 6 kV DC, production test |
| Electrical isolation channel/bus | reinforced insulation, test voltage 6 kV DC, production test |
| Electrical isolation channel/SGND | reinforced insulation, test voltage 6 kV DC, production test |
| Current consumption E-bus | typ. 460 mA |
| Weight | approx. 350 g |
| Operating/storage temperature | 0…+55°C/-25…+85°C |
| Thermal dissipation | typ. 3 W |
| Special features | ExtendedRange 107%, free numeric filter, TrueRMS, integrator/differentiator, non-linear scaling, PeakHold |
| Approvals/markings | CE |
| Housing data | ELM-30-xpin |
|---|---|
| Design form | metal housing with signal LEDs |
| Material | zinc die-cast |
| Dimensions (W x H x D) | 30 mm x 100 mm x 95 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 | – |
| Wiring | solid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver |
| Connection cross-section | s*: 0.2…1.5 mm², st*: 0.2…1.5 mm², f*: 0.25…0.75 mm² |
| Connection cross-section AWG | s*: AWG24…14, st*: AWG24…14, f*: AWG24…14 |
| Stripping length | 8…9 mm |
*s: solid wire; st: stranded wire; f: with ferrule
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