General technical data

Analog inputs

EL3314‑0020

Number of inputs

4

Thermocouple sensor types, measured variables

Type B, C, E, J, K, L, N, R, S, T, U (default setting: type K), voltage measurement

Connection technology

2-wire

Maximum cable length to the thermocouple

30 m (without protective measures), suitable surge protection must be provided for longer cable lengths

Resolution

internal 24 bit

Sampling type

multiplex

Ground reference

Differential

Conversion time

approx. 1.6 s to 5 ms depending on configuration and filter setting;

Preset: approx. 110 ms at 50/60 Hz

Input filter cut-off frequency

typ. 1 kHz

Software filter

5 Hz...30 kHz, adjustable, notch characteristic; preset: disabled

additional low-pass filter possible

Wire break detection

yes (can be disabled)

Supports NoCoeStorage function

yes

Special features

High-precision, calibration certificate

Voltage measurement

EL3314-0020

Measuring range, technically available

approx. ± 80 mV

Measuring range, nominal

± 78 mV

Resolution

10 nV per digit

Measurement uncertainty

See Measurement ±78 mV

Temperature measurement

EL3314-0020

Electrical measuring range used

± 78 mV

Measuring ranges

Type B: +200...+1820 °C

Type C: 0...+2320 °C

Type E: -270...+1000 °C

Type J: -210...+1200 °C

Type K: -270…+1372 °C (preset)

Type L: -50...+900 °C

Type N: -270...+1300 °C

Type R: -50...+1768 °C

Type S: -50...+1768 °C

Type T: -270...+400 °C

Type U: -50...+600 °C

Resolution

Temperature display 0.1/0.01/0.001 °C per digit, preset 0.01 °C

Measurement uncertainty

See Thermocouples measurement

Supply and potentials

EL3314-0020

Power supply for the electronics

via the E-bus

Current consumption via E-bus

typ. 200 mA

Differential voltage between +TC and -TC

Recommended area of application

respective measuring range

Destruction limit, short-term/continuous

±15 V

Max. potential of the twisted TC ends to one another

(non-isolated/grounded TC)

Recommended area of application

±2 V

Destruction limit, short-term/continuous

±15 V

Max. potential UCM (CommonMode voltage) of the twisted TC to GND

Recommended area of application

Not applicable because GND is not accessible

Destruction limit, short-term/continuous

Max. potential of twisted TC or GND to SGND or 0 V power

Recommended area of application

±30 V

Destruction limit, short-term/continuous

±50 V

Electrical isolation: max. potential of twisted TC or GND to bus side

Recommended area of application and short-term/continuous destruction limit

500 V

Communication

EL3314-0020

Configuration

via TwinCAT System Manager

Width in the process image

max. 24 bytes input,
max. 8 bytes output

Distributed Clocks

-

Environmental conditions

EL3314-0020

Permissible temperature range during operation

0 °C... + 55 °C

Permissible temperature range during storage

-25 °C... + 85 °C

Permissible relative air humidity

95 %, no condensation

General data

EL3314-0020

Dimensions (W x H x D)

approx. 15 mm x 100 mm x 70 mm (width aligned: 12 mm)

Weight

approx. 60 g

Installation

on 35 mm mounting rail, conforms to EN 60715

Installation position

To ensure enhanced measuring accuracy, the terminal must be installed in the prescribed standard position! See note!

Standards and approvals

EL3314-0020

Protection rating

IP20

Vibration / shock resistance

conforms to EN 60068-2-6 / EN 60068-2-27

EMC immunity / emission

conforms to EN 61000-6-2 / EN 61000-6-4

Identification / approval*)

CE, UKCA, EAC
ATEX, IECEx, cULus

*) Real applicable approvals/markings see type plate on the side (product marking).

Ex markings

Standard

Marking

ATEX

II 3 G Ex nA IIC T4 Gc

IECEx

Ex nA IIC T4 Gc

Terminal

Extended features

Electrical isolation

TwinSAFE SC

high-precision

Calibration certificate

EL3314

No

No

No

No

EL3314-0002

Yes

No

Yes

No

EL3314-0010

No

No

Yes

No

EL3314-0020

No

No

Yes

Factory working standard calibration certificate

EL3314-0030

No

No

Yes

External calibration certificate (ISO17025 or DAkkS certificate)

EL3314-0090

No

Yes

No

No

EL3314-0092

Yes

Yes

Yes

No