Technical data

EL3312

Number of inputs

2

Power supply

via the E-bus

Thermocouple sensor types

types K, J, L, E, T, N, U, B, R, S, C (default setting type K), mV measurement

Distributed clocks

–

Input filter limit frequency

typ. 1 kHz; dependent on sensor length, conversion time, sensor type

Connection method

2-wire

Wiring fail indication

yes

Conversion time

approx. 1.2 s up to 20 ms, depending on configuration and filter setting, default: approx. 125 ms

Temperature range

in the range defined in each case for the sensor (default setting: type K; -200…+1370 °C); voltage measurement: ±30 mV…±75 mV

Resolution

0.1 °C per digit

Measuring error

< ±0.3 % (relative to full scale value)

Electrical isolation

500 V (E-bus/signal voltage)

Current consumption power contacts

–

Current consumption E-bus

200 mA

Bit width in the process image

2 x 32 bit TC input, 2 x 16 bit TC output

Special features

open-circuit recognition

Weight

approx. 60 g

Operating/storage temperature

-25…+60 °C/-40…+85 °C

Relative humidity

95 %, no condensation

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

Protect. class/installation pos.

IP 20/variable

Approvals

CE, UL, Ex