HiDMux2700 HART Multiplexer

Teknik Veriler

Safety Integrity Level (SIL)

SIL 3

Connection

SL1: 1a, 1b(-); 2a, 2b(+)

Rated voltage

U r 20.4 ... 30 V DC via Termination Board

Rated current

I r 28 mA at 24 V , RS-485, quiescent current

Power dissipation

0.7 W at 24 V

Number of channels

32

Conformity

HART field device input (revision 5 to 7)

Signal range

0.12 V pp < signal < 1.5 V pp

Leakage current

< 3 µA at -20 ... 85 °C (-4 ... 185 °F)

Terminating resistor

external 230 ... 500 Ω standard (up to 1000 Ω possible)

Output voltage

≥ 400 mV ss (with the terminator resistance specified above)

Output resistance

100 Ω or smaller, capacitive coupling

DC isolation

dual capacitor each channel

Common mode voltage

up to 30 V

Input impedance

> 5 kΩ , according to HART specification

Input voltage range

0.12 ... 1.5 V ss

Differential mode clamping

± 5.2 V , for transient or AC signals

Common mode clamping

± 10 V , for transient or AC signals

Carrier detect level

signal > 0.12 V pp , carrier detection activated signal < 0.08 V pp , carrier detection not activated

Transmit amplitude

200 Ω load, 0.43 V pp < signal < 0.49 V pp 500 Ω load, 1.1 V pp < signal < 1.2 V pp

Cihaz Tipi

DC isolated bus device

Impedance

high impedance

Data link type

HART primary and secondary

Field multi point support

option available upon request