Product Parameters

Manufacturer: Schneider Electric (Modicon)

Model: AS-B845-001 (referred to as A845)

Series: Modicon Micro 84 Series

Module Type: Transistor Output Module

Channel Quantity: 16 (2 groups × 8 channels)

Output Voltage: 24 volts DC (20 - 28 volts DC range)

Output Current: 0.5 amperes per channel (maximum value, resistive load)

Logic State: ON = 24 volts DC; OFF = 0 volts DC

Isolation Voltage: 500 volts AC (channel - backplane)

Backplane Current: 150 milliamperes when 5 volts DC

Weight: Approximately 0.35 kilograms

Dimensions (Width × Height × Depth): 70 mm × 100 mm × 150 mm (specification)

Operating Temperature: 0°C to +60°C

Storage Temperature: -25°C to +70°C

Humidity: 5% - 95% (no condensation)

Response Time: ≤ 1 millisecond (on → off, off → on)

Installation Method: 35 mm DIN rail installation or panel installation

Protection Level: IP20

Certifications: CE, UL 508, CSA C22.2 No.4

Features/Characteristics

16-channel 24VDC output: Can directly drive standard industrial solenoids, relays, and indicator lights.

Response Speed: ≤ 1 millisecond, suitable for the control of fast-action equipment.

500VAC isolation: Protects PLC backplane from on-site interference and voltage spikes.

LED status indication: 1 LED per channel, enabling quick diagnosis of output status.

Compact Design: Standard size compatible with Micro 84 rack, saving cabinet space.

Application Fields: Industrial machinery and automated production lines (motor starters, electromagnetic valve control)

Material Handling (conveyor belts, sorting equipment actuators)

Building Automation (including air conditioning and ventilation system valves, water valves control) Water Treatment (dosing pumps, discharge valves, liquid level alarm output) Compatibility

PLC series: Modicon Micro 84 (840, 841, 842, 843)

Programming software: Modicon Software, Concept Software