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| Place of Origin: | Germany |
| Brand Name: | ABB |
| Certification: | COO & COC |
| Model Number: | AO845 |
AO845 3BSE045584R1 ABB Analog output module High reliability Compatible with AC 800M control systems
The ABB AO845 (Order Code: 3BSE045584R1) is a high-density, 16-channel analog output module engineered for the ABB AC 800M programmable automation controller (PAC) within the System 800xA distributed control system (DCS). Designed for space-constrained and cost-sensitive applications without compromising performance, the AO845 delivers reliable current output signals (0/4–20 mA) with 16-bit resolution, per-channel diagnostics, and full compatibility with ABB’s unified engineering environment. It is ideal for driving control valves, actuators, VFDs, and other analog field devices in power, water, oil & gas, chemical, and industrial automation systems.
Product Overview: ABB AO845 (3BSE045584R1)
| Manufacturer | ABB Automation |
| Module Type | High-Density Analog Output Module |
| Part Number / Order Code | 3BSE045584R1 |
| Compatible Systems | AC 800M Controller, System 800xA DCS |
| Number of Output Channels | 16 independent channels |
| Output Signal Type | Current only – 0–20 mA or 4–20 mA (software-configurable per channel) |
| Resolution | 16 bits |
| Accuracy | ±0.1% of full scale (typical at 25°C) |
| Load Capability | Up to 750 Ω per channel @ 20 mA |
| Galvanic Isolation | Group isolation – all channels share a common isolated field side referenced to internal ground |
| Overload & Short-Circuit Protection | Built-in per channel with automatic recovery |
| Connection Type | Removable screw terminal block (supports 20–14 AWG / 0.5–2.5 mm² wires) |
| Power Supply | Powered via AC 800M backplane – no external supply needed for electronics |
| Mounting | Installed on standard AC 800M I/O rail (DIN rail compatible) |
| Certifications | CE, UL, CSA, IEC 61000-6-2/6-4 (EMC), RoHS compliant |
Product Images
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