Beckhoff EL3311

EtherCAT Terminal, 1-channel analog input, temperature, thermocouple, 16 bit

MPN
EL3311
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What is the Beckhoff EL3311?

The EL3311 analog input terminal allows thermocouples to be connected directly. The EtherCAT Terminal's circuit can operate thermocouple sensors using the 2-wire technique. Linearization over the full temperature range is realized with the aid of a

Specifications

Specifications

Number of inputs1
Power supplyvia the E-bus
Distributed clocks–
Input filter limit frequencytyp. 1 kHz
Connection method2-wire
Conversion timeapprox. 750 ms up to 20 ms, depending on configuration and filter setting, default: approx. 75 ms
Voltage measurement±30/±60/±75 mV
Resolution16 bit, representation adjustable: 0.1/0.01°C or 1/2/4 µV per digit
Temperature measurement (thermocouple)type B, C, E, J, K, L, N, R, S, T, U (default setting: type K)
Measurement uncertainty (temperature measurement)at 23°C ambient temperature, with internal cold junction, according type: B: ±8.5°C; C: ±6.2°C; E: ±2.5°C; J: ±2.7°C; K: ±3°C; L: ±2.3°C; N: ±3°C; R: ±6.7°C; S: ±7.1°C; T: ±2.9°C; U: ±2.5°C; for further details see documentation
Measurement uncertainty (voltage measurement)at ±75 mV, 23°C ambient temperature: ±0.14% (relative to full scale value)
Electrical isolation500 V (E-bus/signal voltage)
Current consumption E-bus200 mA
Current consumption power contacts–
Special featureschannel by channel wire break detection, internal and external cold junction, firmware filter adjustable
Weightapprox. 60 g
Operating temperature-25…+60°C
Storage temperature-40…+85°C
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, CCC, UL, ATEX, IECEx
Ex markingATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
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 BZxxxx 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
Dimensions (W x H x D)12 mm x 100 mm x 68 mm

EL3311: frequently asked questions

When can EL3311 be shipped?

EL3311 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up EL3311 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for EL3311 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for EL3311, subject to availability and destination.

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Beckhoff EL3311Price and lead time confirmed within 1 business day
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