AO895

Overview

AO895 is an ABB analog output module with 8 channels for 4–20 mA current signals, designed for high accuracy and robust current-limited output in industrial applications.

Output Characteristics

• Resolution: 12 bit

• Signal Specification: 4–20 mA

• Under/Over Range: 2.5 / 22.4 mA

• Output Load:

• <725 Ω at 20 mA (no over-range)

• <625 Ω at up to 22 mA

• Error: Typ. 0.05%, Max. 0.1% at 650 Ω

• Temperature Drift: Typ. 50 ppm/°C, Max. 100 ppm/°C

• Rise Time (10% to 90%): 30 ms

• Current Limiting: Short circuit proof

Electrical Data

• Isolation: Groupwise isolated from ground

• Rated Insulation Voltage: 50 V

• Dielectric Test Voltage: 500 V AC

• Power Dissipation: 4.25 W

• Current Consumption (+5 V Modulebus): Typ. 130 mA

• Current Consumption (+24 V External): Typ. 250 mA, Max. <330 mA

Environmental Ratings

• Operating Temperature: 0 to +55 °C

• Storage Temperature: -40 to +70 °C

• Relative Humidity: 5 to 95%, non-condensing

• Max Ambient Temperature: 55 °C (40 °C in compact MTU, vertical mounting)

Dimensions

• Width: 45 mm

• Depth: 102 mm (111 mm including connector)

• Height: 119 mm

• Weight: 0.2 kg

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