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AO845A - Analog Output Redundant Module ABB

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About the Product

AO845/AO845A Analog Output Module Overview

Key Features and Benefits

8 channels of precise 4…20 mA outputs (12‑bit resolution)

Group‑wise isolation from ground: 50 V rated insulation

Short‑circuit proof current limiting, up to 750 Ω load

HART® pass‑through communication on all channels

Redundancy support: automatic switch‑over in < 5 ms on fault

ModuleBus power consumption: +5 V @125 mA, +24 V @218 mA

MTBF > 1 200 000 hours (calculated per IEC 61709)

Warranty period: 1 year

Technical Specifications

Article number: 3BSE045584R1

Signal range: 4…20 mA; under/over range: −12.5% / +15%

Update cycle: 10 ms; rise time (0–90%): 23 ms (filter off)

Operating temperature: 0 to +55 °C (+5 to +55 °C approvals)

Storage temperature: −40 to +70 °C

Dimensions: W 45 mm × H 119 mm × D 102 mm (111 mm incl. connector)

Weight: 0.21 kg

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  • Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.
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