The ELM310x EtherCAT Terminals are designed for flexible current measurement ranging from -20 to +20 mA. They offer selectable measuring ranges from -20/0/4 to ±20 mA, as well as current measurement in accordance with NAMUR NE43.
The measuring range can be selected in the CoE, as well as the other setting options, such as the filter parameters. Regardless of the signal layout, all ELM modules offer the same technological features, with the ELM310x for current measurement providing a maximum sampling rate of 10,000 or 20,000 samples per second. The 2-pin connector (push-in) can be removed for maintenance purposes without disconnecting the individual wires.
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 | ELM310x |
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Current measurement | ±20 mA, 0/4…20 mA, NAMUR NE43 (2-wire connection) |
Technical data | ELM3102-0030 |
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Number of channels | 2 |
Technology | current measurement |
Signal type | differential |
Connection technology | 2-wire |
Connection type | push-in, service plug 2-pin |
Max. sampling rate | max. 50 µs/20 ksps (per channel, simultaneously) |
Oversampling factor | n = 1…100 selectable (max. 20 ksamples/s) |
Internal resistance | 150 Ω (current) |
Measurement error/uncertainty | typ. < ±100 ppm/±0.01% in some measuring ranges, relative to the respective full scale value, see documentation |
Temperature coefficient | typ. < 10 ppm/K |
Functional diagnostics | yes |
Connection diagnostics | recommendation: 4…20 mA mode |
Distributed clocks | yes, accuracy << 1 µs |
Resolution | 24 bit (incl. sign) |
Electrical isolation channel/channel | no |
Electrical isolation channel/bus | 707 V DC (type test) |
Electrical isolation channel/SGND | 707 V DC (type test) |
Current consumption power contacts | – |
Current consumption E-bus | typ. 340 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, UL |
Housing data | ELM-30-xpin |
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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
Ordering information | |
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ELM3102-0030/000336124 | ELM3102-0030 with external calibration certificate type ISO 17025, external service providers |
ELM3102-0030/000336125 | ELM3102-0030 with external calibration certificate type DAkkS external service providers |
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