ABB AO810 3BSE008522R1
Overview
The AO810 is an 8-channel, analog output module. It is designed to convert digital values from the controller into precise analog signals to control field devices like control valves, variable frequency drives (VFDs), actuators, and other analog-controlled equipment.
Key Technical Parameters
Parameter Category |
Specification |
Model |
AO810 |
Article Number |
3BSE008522R1 |
I/O Type |
Analog Output |
Number of Channels |
8 |
Output Type |
Configurable per channel: • 0-20 mA / 4-20 mA (current) • 0-5 V / 1-5 V / 0-10 V (voltage) |
Resolution |
15 bits + sign (effectively 16-bit performance) |
Accuracy |
±0.1% of full scale (at 25°C/77°F) ±0.2% of full scale (over the entire temperature range) |
Load Impedance (Current) |
Max: 850 Ω (for 20 mA output) Min: 0 Ω (Compliant with IEC 60381-1) |
Load Impedance (Voltage) |
Min: 1 kΩ |
Update Time per Channel |
3 ms (for all 8 channels) |
Power Supply |
Internal (from fieldbus): 5 V DC from the S800 I/O bus via the internal connector. External (for outputs): 24 V DC nominal (18-30 V DC) via the external FTA connector. This power is used to drive the analog output signals. |
Isolation |
Channel-to-Channel: Not isolated Channel-to-Bus: 500 V AC (galvanically isolated) |
Redundancy Support |
Yes, can be used in redundant configurations with appropriate hardware (e.g., with a redundant FTA unit like FI830F). |
Diagnostics |
Extensive diagnostics including: • Wire break (for current outputs) • Short circuit (for voltage outputs) • Under-range/Over-range detection • Module health status • Fuse failure (on external power) |
Connector |
Requires a separate Field Termination Assembly (FTA) module (e.g., FI810F or FI830F for redundancy) for wiring the field instruments. |
Operating Temperature |
0 to 60 °C (32 to 140 °F) |
Relative Humidity |
5% to 95% (non-condensing) |
Standards & Certifications |
CE, C-Tick, FM, CSA, ATEX, IECEx, DNV GL, and meets IEC 61131-2. |
Compatible Controllers |
ABB AC 800M (e.g., PM856, PM860, PM861, PM864, PM865, etc.) |
Compatible Communication |
Profibus DP, Foundation Fieldbus H1, or IEC 61850 (depending on the main controller and communication interface used). |
Required Accessories / Related Hardware
The AO810 module itself is not wired directly. It requires additional hardware to function in a rack:
S800 Base Unit: The physical slot it plugs into (e.g., SD821, SD822).
Field Termination Assembly (FTA): A separate unit that handles the physical wiring to the field devices. The standard FTA for the AO810 is the FI810F (single) or FI830F (redundant).
Power Supply: The S800 rack requires a power supply module (e.g., SA811, SA812).
Communication Interface: A Profibus DP, Foundation Fieldbus, or other interface module (e.g., CI851, CI854, CI871) to connect the I/O rack to the AC 800M controller.
Key Features and Applications
High Density: 8 channels in a single module save space in the control cabinet.
High Accuracy and Resolution: Essential for precise process control in industries like oil & gas, chemical, power generation, and water treatment.
Flexible Configuration: Each channel can be individually configured for current or voltage output, providing great flexibility.
Robust Diagnostics: Built-in diagnostics reduce troubleshooting time and improve system availability.
Hot Swapping: The module can be replaced while the system is powered and running (requires proper engineering and procedures).
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