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Headquarters Canada
Beckhoff Automation Ltd.

4 Schiedel Court, Unit 1-3
Cambridge ON N3C 0H1, Canada

+1 226-765-7700
www.beckhoff.com/en-ca/

EL3621-0020 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 24 bit, high-precision, factory calibrated

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EL3621-0020 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 24 bit, high-precision, factory calibrated

EL3621-0020 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 24 bit, high-precision, factory calibrated

Run LED 1
Error LED 1
Power contact
+24 V
Power contact 0 V
+Input 1
-Input 1
GND
Shield
Top view 
Contact assembly 
EL3621-0020 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 24 bit, high-precision, factory calibrated

EL3621-0020 | EtherCAT Terminal, 1-channel analog input, current, 4…20 mA, 24 bit, high-precision, factory calibrated

For demanding applications: calibrated analog inputs

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

For demanding applications: calibrated analog inputs

Measurement technology easily configured: Analog EtherCAT input terminals.

Measurement technology simply integrated: With the analog EtherCAT Terminals.

The EL3621-0020 analog input terminal handles signals in the range between 4 and 20 mA. The voltage is digitized to a resolution of 24 bit and is transmitted, electrically isolated, to the higher-level automation device. The terminal has a differential input. The signal state of the EtherCAT Terminal is indicated by light emitting diodes.

The individual Beckhoff factory calibration certificate can be downloaded here for each device. Recalibration (ZS9001) is possible via Beckhoff Service.

Product status:

regular delivery

Product information

Technical dataEL3621-0020
Number of inputs1 (differential)
Power supplyvia the E-bus
Signal current4…20 mA
Input signal bandwidthsee input filter
Distributed clocks
Internal resistancetyp. 85 Ω + diode voltage
Input filter limit frequency3 kHz
Common-mode voltage UCMmax. 10 V
Conversion time1…400 ms configurable
Resolution24 bit (incl. sign)
Measurement error/uncertainty< ±0.01% at 25°C (relative to full scale value, 50 Hz filter)
Calibration certificate (analog)factory calibrated
Electrical isolation500 V (E-bus/signal voltage)
Current consumption power contacts
Current consumption E-bustyp. 190 mA
Crosstalk attenuation> 60 dB
Special featuresvarious filter times, limit evaluation, high precision, with calibration certificate
Operating/storage temperature0…+50°C/-25…+85°C
Weightapprox. 60 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
Approvals/markingsCE
Protect. rating/installation pos.IP20/variable
Housing dataEL-12-8pin
Design formcompact terminal housing with signal LEDs
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
Connection cross-section AWGs*: AWG28…14,
st*: AWG28…14,
f*: AWG26…16
Stripping length8…9 mm
Current load power contactsImax: 10 A

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

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