ABB AO845A Analog Output Module
Description
ABB AO845A Analog Output Module is a high-performance analog output module part of the ABB S800 I/O system, designed to convert digital signals into precise analog signals for controlling industrial field devices.
| Specification | Value |
|---|---|
| Number of Channels | 8 independent analog output channels |
| Output Signal Types | 4-20mA, 0-20mA DC current; 0-10V DC voltage (configurable) |
| Resolution | 12 bits |
| Accuracy | ±0.1% |
| Operating Temperature Range | -20 to 70 degrees Celsius |
| Protection Rating | IP20 |
| Input Voltage | 24V DC |
| Maximum Output Current | 1A |
| Communication Protocols | PROFIBUS-DP, Modbus, HART |
| Dimensions | 71 x 106 x 22 millimeters |
| Weight | Approximately 0.1 kilograms |
Key Features:
- Supports redundant configuration to enhance system reliability
- Channel-to-ground isolation for improved anti-interference capability
- Built-in self-diagnostic functions to detect and report channel and module errors
- Hot-swappable design for easy maintenance without system shutdown
- Configurable via ABB programming software for customized application needs
- HART pass-through communication for device configuration and diagnostics
Applications:
- Process control systems for regulating temperature, pressure, and flow parameters
- Mechanical automation for driving and controlling valves, motors, and actuators
- Building automation for managing heating, ventilation, and air conditioning systems
- Power industry for monitoring and adjusting electrical system components
- SIL 2 safety applications when configured appropriately
Related Models:
- ABB AO845
- ABB AO845A-eA
- ABB 3BSE045584R1 (AO845A order number variant)