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EL3681 | EtherCAT Terminal, 1-channel analog input, multimeter, 300 V AC/DC, 10 A, 19 bit

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EL3681 | EtherCAT Terminal, 1-channel analog input, multimeter, 300 V AC/DC, 10 A, 19 bit

EL3681 | EtherCAT Terminal, 1-channel analog input, multimeter, 300 V AC/DC, 10 A, 19 bit

Run LED
Voltage
Term. Error
Current
V
COM
10 A
Shield
V
COM
1 A
Shield
Top view 
Contact assembly 
EL3681 | EtherCAT Terminal, 1-channel analog input, multimeter, 300 V AC/DC, 10 A, 19 bit

EL3681 | EtherCAT Terminal, 1-channel analog input, multimeter, 300 V AC/DC, 10 A, 19 bit

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

The EL3681 EtherCAT Terminal enables measurement of currents and voltages in a wide input range. The measuring ranges are switched automatically, as usual in advanced digital multimeters. For current measurements, two current paths are available, one of which is a high-current path for up to 10 A. The current and the voltage measurement facility can be used for DC and AC. The alternating parameters are output as true RMS values. The measurement readings can be read and processed with EtherCAT. At the same time, the EL3681 enables the measuring type and range to be set via the bus.

Excellent interference immunity is achieved through the fully electrically isolated design of the electronic measuring system and the dual-slope conversion system. High precision and simple, high-impedance measurement from 300 mV to 300 V allow the EtherCAT Terminal to be used like a modern digital multimeter.

In measuring applications in particular, the voltage to be expected is often not yet known during the planning phase. Automatic adjustment of the measurement range simplifies use and reduces stock levels. The selected measuring type and overload are indicated by LEDs.

This terminal is also available as a variant with an individual calibration certificate. (See related products)

Product status:

regular delivery

Product information

Technical dataEL3681
Number of inputs1 voltage or 1 current (10 A/1 A)
Signal voltagemax. 300 V AC/DC, 10 A
Distributed clocks
Internal resistance3 mΩ/0.2 Ω/12.5 MΩ
Conversion time0.5 s (1 s during measuring range switching) preset, min. 65 ms
Measured valuescurrent, voltage
Measuring voltage300 mV, 3 V, 30 V, 300 V
Measuring current100 mA, 1 A and 10 A via high current path
Resolution18 bit + sign in each measurement range
Measurement error/uncertainty0.01% DC voltage measurement at 40°C
Measuring procedureDC with arithmetic averaging, AC with true RMS value calculation
Update time0.5 s, 1 s for measuring range selection
Electrical isolation1500 V (E-bus/field potential)
Current consumption power contacts
Current consumption E-bus150 mA
Bit width in the process image32 bit data, 16 bit control/status
Special featuresautomatic or manual range selection, 1.25 A fuse installed + spare fuse, filter deactivatable
Operating/storage temperature-25…+60°C/-40…+85°C
Weightapprox. 70 g
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Pluggable wiringfor all ESxxxx terminals
Approvals/markingsCE
Protect. rating/installation pos.IP20/variable
Housing dataEL-12-8pinES-12-8pin
Design formcompact terminal housing with signal LEDsterminal housing with pluggable wiring level
Materialpolycarbonate
Dimensions (W x H x D)12 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
s*: 0.08…1.5 mm²,
st*: 0.08…1.5 mm²,
f*: 0.14…1.5 mm²
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
s*: AWG28…16,
st*: AWG28…16,
f*: AWG26…16
Stripping length8…9 mm9…10 mm
Current load power contactsImax: 10 A

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

Ordering information
EL3681EtherCAT Terminal, 1-channel analog input, multimeter, 300 V AC/DC, 10 A, 19 bit
ES3681EtherCAT Terminal, 1-channel analog input, multimeter, 300 V AC/DC, 10 A, 19 bit, pluggable wiring

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