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EL3255 | EtherCAT Terminal, 5-channel analog input, potentiometer, 300 Ω…50 kΩ, 16 bit

EL3255 | EtherCAT Terminal, 5-channel analog input, potentiometer, 300 Ω…50 kΩ, 16 bit

EL3255 | EtherCAT Terminal, 5-channel analog input, potentiometer, 300 Ω…50 kΩ, 16 bit

Run LED
Signal ERR Ch1
Signal ERR Ch2
Signal ERR Ch3
Signal ERR Ch4
Power fail
Signal ERR Ch5
Power contact
+24 V
Power contact 0 V
0 V sensor 1
Input sensor 1
0 V sensor 4
0 V sensor 2
Input sensor 2
0 V sensor 3
Input sensor 3
0 V sensor 5
+10 V sensor 1
Input sensor 4
+10 V sensor 4
+10 V sensor 2
+10 V sensor 3
Input sensor 5
+10 V sensor 5
Top view 
Contact assembly 
EL3255 | EtherCAT Terminal, 5-channel analog input, potentiometer, 300 Ω…50 kΩ, 16 bit

EL3255 | EtherCAT Terminal, 5-channel analog input, potentiometer, 300 Ω…50 kΩ, 16 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 EL3255 EtherCAT Terminal enables potentiometers to be connected directly. A stabilized power supply in the terminal and the ratiometric measurement of the input voltage offer the preconditions for precise measurement. On account of its high sampling rate and together with potentiometer position encoders, the compact 5-channel EtherCAT terminal represents an economical position detector.

The HD EtherCAT Terminals (High Density) with increased packing density feature 16 connection points in the housing of a 12 mm terminal block.

Product status:

regular delivery

Product information

Technical dataEL3255
Number of inputs5
Ground reference (analog/encoder)single-ended
Power supplyvia power contacts
Distributed clocksyes
Feed voltage potentiometertyp. 10 V ±10%
Internal resistance>> 100 kΩ to wiper connection
Input filter limit frequencytyp. -3 dB at 3 kHz and potentiometer 50 kΩ
Sensor typespotentiometer 300 Ω…50 kΩ
Output currentmax. 0.3 A total supply current for the potentiometers
Wiring fail indicationyes
Conversion timetyp. 300…700 µs, dependent on settings, default setting: approx. 500 µs (5 channels, filter deactivated)
Measuring rangepotentiometer 300 Ω…50 kΩ
Resolution16 bit (incl. sign)
Measurement error/ uncertainty< ±0.5% (relative to full scale value)
Electrical isolation500 V (E-bus/field potential)
Current consumption power contactsdependent on the potentiometers, max. 70 mA
Current consumption E-bustyp. 80 mA
Bit width in the process image5 x 16 bit input
Configurationno address setting, configuration via the controller
Special featuresopen-circuit recognition, supply monitoring, activatable filters, simultaneous measurement of the channels
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
Protect. rating/installation pos.IP20/variable
Approvals/markingsCE, UL, ATEX, IECEx
Ex markingATEX:
II 3 G Ex ec IIC T4 Gc
IECEx:
Ex ec IIC T4 Gc
Housing dataEL-12-16pin
Design formHD (High Density) 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 conductors (s): direct plug-in technique; fine-stranded conductors (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…1.5 mm²,
st*: 0.25…1.5 mm²,
f*: 0.14…0.75 mm²
Connection cross-section AWGs*: AWG28…16,
st*: AWG22…16,
f*: AWG26…19
Stripping length8…9 mm
Current load power contactsImax: 10 A

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

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