ELM3144-0000 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10…±1.25 V, ±20 mA, 24 bit, 1 ksps
ELM3144-0000 | EtherCAT Terminal, 4-channel analog input, multi-function, ±10…±1.25 V, ±20 mA, 24 bit, 1 ksps
EtherCAT oversampling: maximum sampling rates irrespective of the EtherCAT cycle time
For demanding applications: calibrated analog inputs
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Measurement technology easily configured: Analog EtherCAT input terminals.
Measurement technology simply integrated: With the analog EtherCAT Terminals.
The 2-, 4-, 6- or 8-channel ELM314x EtherCAT Terminals in the Economy line can be set to current or voltage measurement channel by channel, offering sampling rates of up to 1 ksps per channel. Analog signals in the ranges from ±1.25 to ±10 V, 0 to 10 V, ±20 mA or 0/4 to 20 mA can be processed. The settings for U or I measurement mode and the desired measuring ranges can be selected via the control system and TwinCAT in the CoE interface. Here it is also possible to select the extensive diagnostics features for unattended long-term use. The 2-, 4- or 6-pin push-in connectors can be removed for maintenance purposes; they enable a direct supply of connected sensors. The power contacts on the side simplify the potential distribution directly on the DIN rail. The typical EtherCAT features are available: distributed clocks functionality with timestamp and the familiar data features of the basic line such as filtering, true RMS calculation and more.
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 | ELM314x |
|---|---|
| Voltage measurement | ±10/5/2.5/1.25 V, 0…5/10 V |
| Current measurement | ±20 mA, 0/4…20 mA, NAMUR NE43 |
| Technical data | ELM3144-0000 |
|---|---|
| Number of channels | 4 |
| Technology | voltage or current measurement, configurable for each channel |
| Signal type | differential |
| Connection technology | 2-/3-/4-wire |
| Connection type | push-in, service plug 4-pin |
| Max. sampling rate | max. 1 ms/1 ksps (per channel, multiplex) |
| Oversampling factor | n = 1…20 selectable |
| Internal resistance | > 4 MΩ (voltage), typ. 200 Ω (current) |
| Measurement error/uncertainty | typ. < ±100 ppm/±0.01% in some measuring ranges, relative to the respective full scale value at 0…50°C, see documentation |
| Functional diagnostics | yes |
| Connection diagnostics | broken wire/short circuit |
| 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 | load-dependent |
| Current consumption E-bus | typ. 250 mA |
| Weight | approx. 350 g |
| Operating/storage temperature | -25…+60°C/-40…+85°C |
| Thermal dissipation | typ. 2 W |
| Special features | ExtendedRange 107%, free numeric filter, TrueRMS, integrator/differentiator, non-linear scaling, PeakHold, service plug, Timestamp |
| Approvals/markings | CE, UL |
| 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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