Technical data

Technical data

EL3218

Number of inputs

8

Connection technology

2 or 3-wire (adjustable)

Distributed clocks

-

Input filter cut-off frequency

typ. 1 kHz

Sensor types

Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000,
resistance measurement (e. g. potentiometer connection, 10 Ω...1/4 kΩ),
KTY sensors (types see documentation)

Measuring range/ temperature range

-200…+850°C (PT sensors); -60…+250°C (Ni sensors)

Resolution

0.1°C or 0.01°C per digit

Sampling type

Multiplex

Ground reference

Differential

Conversion time

Approx. 170 ms preset

ADC conversion method

ΔΣ (Delta-Sigma)

Measuring current

< 0.5 mA (load-dependent)

Sensor supply

Continuous current (not switched)

Support NoCoEStorage

Yes

Measuring error

< ±0.5°C with Pt sensors, 8 x 3-wire connection
< ±1.5°C (extended temperature range)

Width in the process image

max. 32 bytes input

Power supply for the electronics

via the E-bus

Current consumption Power contacts

-

Current consumption via E-bus

typ. 120 mA

Special features

Integrated digital filter, limit value monitoring, variable connection technology

Electrical isolation

500 V (E-bus/field voltage)

Configuration

via TwinCAT System Manager

Weight

Approx. 95 g

Permissible ambient temperature range during operation

0°C... +55°C

Permissible ambient temperature range during storage

-25°C... +85°C

Permissible relative air humidity

95%, no condensation

Dimensions (W x H x D)

Approx. 30 mm x 100 mm x 70 mm (width aligned: 24 mm)

Assembly

On 35 mm mounting rail in compliance with EN 60715

Enhanced mechanical load capacity

Yes, see also Installation instructions for terminals with enhanced mechanical load capacity

Vibration / shock resistance

In accordance with EN 60068-2-6 / EN 60068-2-27

EMC immunity / emission

In accordance with EN 61000-6-2 / EN 61000-6-4

Protection rating

IP20

Installation position

Any

Marking*)

CE, EAC, UKCA

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