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321423 HiC2025

Short Description:

1-channel isolated barrier, 24 V DC supply (bus powered), Input for 2-wire SMART transmitters and current sources, Output for 4 mA ... 20 mA or 1 V ... 5 V, Low power dissipation, Up to SIL 2 (SC 3) acc. to IEC/EN 61508, Housing width: 12.5 mm, Number of channels: 1-channel, HART communication, Safety Integrity Level (SIL): SIL 2, Systematic capability (SC): SC 3, Rated voltage: 19 ... 30 V DC bus powered via Termination Board, Field device: 2-wire transmitter, Field device [2]: current source

321423 HiC2025

Supply

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

Rated voltage 19 ... 30 V DC bus powered via Termination Board

Ripple ≤ 10 %

Rated current ≤ 45 mA at 24 V and 20 mA source mode output

Power dissipation ≤ 800 mW

Power consumption ≤ 1.1 W

Input

Connection side field side

Connection SL2: 5a(+), 1b(-); 5a(+), 5b(-)

Input signal 4 ... 20 mA limited to approx. 26 mA

Voltage drop approx. 5 V on SL2: 5a(+), 1b(-)

Available voltage ≥ 15 V at 20 mA , ≥ 18 V at 4 mA on SL2: 5a(+), 5b(-)

Output

Connection side control side

Connection SL1: 8a(+), 7a(-)

Load 0 ... 350 Ω (source mode)

Output signal source mode: 4 ... 20 mA or 1 ... 5 V (internal resistor: 250 Ω, 0.1 %)

sink mode: 4 ... 20 mA, operating voltage 10 ... 30 V

For additional internal or external loads the voltage drop has to be considered, e. g. 250 Ω x 20 mA = 5 V.

Ripple 20 mV rms

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