ABB
3BSE045584R1 | AO845A ABB 8-Channel Analog Output Module
In stock, ready to ship
Manufacturer: ABB
Product No.: AO845A
Product Type: Analog Output
Product Origin: Japan
Payment: T/T
Weight: 1000g
Shipping port: Xiamen
Warranty: 12 months
Yes, we provide a 30-day money-back guarantee for all purchases.
Yes, all items come with a 12-month warranty from the date of shipment.
ABB AO845A
8-Channel Analog Output Module with HART for S800 I/O
Product Description
The AO845A is an 8-channel analog output module designed for ABB’s S800 I/O system, supporting both single and redundant configurations. It delivers high-precision 4–20 mA current signals and includes HART communication for advanced diagnostics and device integration in distributed control systems.
- Model: AO845A
- Article Number: 3BSE045584R1
- System Series: ABB S800 I/O
- Signal Type: 4–20 mA current output
Technical Specifications
| Attribute | Specification |
|---|---|
| Number of Channels | 8 unipolar outputs |
| Resolution | 12-bit |
| Output Load | Max 750 Ω |
| Isolation | Groupwise isolated from ground |
| Update Cycle Time | 10 ms |
| Temperature Drift | Max 50 ppm/°C |
| Accuracy | ±0.1% full scale |
| Diagnostics | Channel error, module error, watchdog, short circuit |
| HART Support | Yes (pass-through communication) |
| Redundancy Support | Yes |
| Power Dissipation | Typ. 3.5 W |
| Current Consumption | +5 V: Max 125 mA; +24 V: 218 mA |
| Dimensions (W × H × D) | 45 × 119 × 102 mm |
| Weight | 0.21 kg |
| Operating Temperature | 0°C to +55°C |
| Certifications | CE, UL, ATEX Zone 2, Marine (BV, DNV-GL, LR) |
| Protection Class | IP20 |
Features
- 8-channel analog output with HART pass-through for smart device integration
- Supports redundant operation for high-availability systems
- Built-in diagnostics for channel and module-level fault detection
- Short-circuit protection and loop supervision
- Compatible with MTUs: TU810, TU812, TU814, TU830, TU833, TU842, TU843, TU852
- Ideal for process control, instrumentation, and distributed I/O architectures