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ELM3146-0000 | EtherCAT Terminal, 6-channel analog input, multi-function, ±10…±1.25 V, ±20 mA, 24 bit, 1 ksps

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ELM3146-0000 | EtherCAT Terminal, 6-channel analog input, multi-function, ±10…±1.25 V, ±20 mA, 24 bit, 1 ksps

ELM3146-0000 | EtherCAT Terminal, 6-channel analog input, multi-function, ±10…±1.25 V, ±20 mA, 24 bit, 1 ksps

Run LED
OK-LED Channel 1
OK-LED Channel 2
OK-LED Channel 3
OK-LED Channel 4
Channel 1
Channel 2
Channel 3
Channel 4
Top view 
Contact assembly 
ELM3146-0000 | EtherCAT Terminal, 6-channel analog input, multi-function, ±10…±1.25 V, ±20 mA, 24 bit, 1 ksps

ELM3146-0000 | EtherCAT Terminal, 6-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

SPS 2019: Beckhoff Measurement Modules

Sensor + Test 2019

SPS IPC Drives 2018:

Sensor + Test: Beckhoff Trade Show TV

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

EtherCAT oversampling: maximum sampling rates irrespective of the EtherCAT cycle time

For demanding applications: calibrated analog inputs

SPS 2019: Beckhoff Measurement Modules

Sensor + Test 2019

SPS IPC Drives 2018:

Sensor + Test: Beckhoff Trade Show TV

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 dataELM314x
Voltage measurement±10/5/2.5/1.25 V, 0…5/10 V
Current measurement±20 mA, 0/4…20 mA, NAMUR NE43
Technical dataELM3146-0000
Number of channels6
Technologyvoltage or current measurement, configurable for each channel
Signal typedifferential
Connection technology2-/3-/4-wire
Connection typepush-in, service plug 6-pin
Max. sampling ratemax. 1 ms/1 ksps (per channel, multiplex)
Oversampling factorn = 1…20 selectable
Internal resistance> 4 MΩ (voltage), typ. 200 Ω (current)
Measurement error/uncertaintytyp. < ±100 ppm/±0.01% in some measuring ranges, relative to the respective full scale value at 0…50°C, see documentation
Functional diagnosticsyes
Connection diagnosticsbroken wire/short circuit
Distributed clocksyes, accuracy << 1 µs
Resolution24 bit (incl. sign)
Electrical isolation channel/channelno
Electrical isolation channel/bus707 V DC (type test)
Electrical isolation channel/SGND707 V DC (type test)
Current consumption power contactsload-dependent
Current consumption E-bustyp. 250 mA
Weightapprox. 350 g
Operating/storage temperature-25…+60°C/-40…+85°C
Thermal dissipationtyp. 2 W
Special featuresExtendedRange 107%, free numeric filter, TrueRMS, integrator/differentiator, non-linear scaling, PeakHold, service plug, Timestamp
Approvals/markingsCE, UL
Housing dataELM-30-xpin
Design formmetal housing with signal LEDs
Materialzinc die-cast
Dimensions (W x H x D)30 mm x 100 mm x 95 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Marking
Wiringsolid conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.2…1.5 mm²,
st*: 0.2…1.5 mm²,
f*: 0.25…0.75 mm²
Connection cross-section AWGs*: AWG24…14,
st*: AWG24…14,
f*: AWG24…14
Stripping length8…9 mm

*s: solid wire; st: stranded wire; f: with ferrule

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