Datasheet EE451

v1.9 / Modification rights reserved | 5

Technical Data

Measurands

Temperature (T) - Active

Measuring range

-40 °C…+70 °C (-40...+158 °F)

Accuracy

@ 20 °C (68 °F)

±0.3 °C (±0.54 °F)

Temperature (T) - Passive

Measuring range

-40 °C…+70 °C (-40...+158 °F)

Sensor type

Nominal resistance

Sensitivity

Standard

Pt100 DIN B

R0: 100 Ω

TC: 3.850 x 10-3/°C

DIN EN 60751

Pt1000 DIN B

R0: 1 000 Ω

TC: 3.850 x 10-3/°C

DIN EN 60751

NTC10k B3950

R25: 10 kΩ ±0.5 %

B25/85: 3 989 K

(B25/50: 3 950 K ± 1.0 %)

-

NTC20k B4286

R25: 20 kΩ ± 0.2 °C

B25/85: 4 286 K

(B25/85: 4 286 K ± 1.0 %)

-

Ni1000 TK6180 DIN B

R0: 1 000 Ω

TC: 6 180 ppm/K

DIN 43760

Ni1000 TK5000 DIN B

R0: 1 000 Ω

TC: 5 000 ppm/K

DIN 43760

Outputs

Analogue

Analogue output

0 - 10 V

-1mA < IL < 1 mA

IL = load current

4 - 20 mA (2-wire)

RL ≤ 500 Ω

RL = load resistance

T Sensor Passive

Sensor connection

2-wire connection

Measuring current, typ.

<1 mA (according to technical data of the specific T sensing element)

Digital

Digital interface

RS485 (EE451 = 1 unit load)

Protocol

Factory settings

Supported Baud rates

Measured data types

Modbus RTU

Baud rate see order information, 8 data bits, parity even, 1 stop bit, Modbus address 66

9 600, 19 200 and 38 400

FLOAT32 and INT16

Protocol

Factory settings

Supported Baud rates

BACnet MS/TP

Baud rate see order information, 8 data bits, parity none, 1 stop bit, BACnet address 66

9 600, 19 200, 38 400, 57 600, 76 800 and 115 200