EL3742 - Technical data

Technical data

EL3742

Number of inputs

2

Signal voltage

0…20 mA

Max. sampling rate

max. 10 µs/100 ksps (per channel)

Oversampling factor

n = integer multiple of the EtherCAT cycle time, 1..100

Input signal bandwidth

0 ... 30 kHz (recommended)

Distributed clock precision

< 100 ns

Internal resistance

85 Ω typ. + diode voltage

Common-mode voltage UCM

max. ±10 V

Resolution

16-bit

Sampling type

simultaneous

Ground reference

Differential

Conversion time

~ 10 µs

Measuring error

< ± 0.3% (at 25 °C ... +55°C,
relative to the full scale value, with < 10 Hz input signal)
< ± 0.5 % (when using the extended temperature range)

Electrical isolation

500 V (E-bus/field voltage)

Power supply for the electronics

via the E-bus

Current consumption via E-bus

typ. 200 mA

Bit width in process image

Input: n x 2 x 16 bit data, if necessary 2 x 16 bit CycleCounter, if necessary 4 bytes StartNextLatchTime

Configuration

via TwinCAT System Manager

Weight

approx. 60 g

Permissible ambient temperature range during operation

-25 °C ... +60 °C (extended temperature range)

Permissible ambient temperature range during storage

-40 °C ... +85 °C

Permissible relative air humidity

95 %, no condensation

Dimensions (W x H x D)

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

Installation

on 35 mm mounting rail, conforms to EN 60715

Enhanced mechanical load capacity

yes, see also Installation instructions for enhanced mechanical load capacity

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

Protection rating

IP20

Installation position

variable

Identification / approval*)

CE, EAC, UKCA
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