The ABB AO815-eA (3BSE052605R2) is an 8-channel analog output module from the S800 I/O system, designed for the System 800xA DCS and AC 800M controller platform. Each channel provides 4...20 mA (or configurable 0...20 mA) output with HART pass-through communication, enabling seamless integration with smart field instruments such as positioners, valves, and actuators.
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AO815-eAOrder(MOQ) :
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3kg| Specification | Description |
|---|---|
| Manufacturer | ABB |
| Model | AO815-eA |
| Article Number | 3BSE052605R2 |
| Product Family | S800 I/O |
| Platform Compatibility | System 800xA DCS, AC 800M controllers |
| Product Type | Analog Output Module |
| Channels | 8 x 4...20 mA (unipolar single-ended) |
| Signal Range | Configurable for 0...20 mA or 4...20 mA |
| HART Support | Yes – pass-through communication on each channel |
| Resolution | 12-bit |
| Accuracy | Max. ±0.1% of full scale |
| Output Load | Max. 750 Ω (short-circuit protected) |
| Output Protection | Short-circuit proof to ZP or +24 V |
| Isolation | Groupwise isolated (1 group of 8 channels from ground) |
| Rise Time (0-90%) | 30 ms |
| Diagnostic LEDs | External Channel Error (open circuit), Internal Channel Error (output circuit fault), Module Error (transistor, short circuit, checksum, power supply, watchdog) |
| Power Dissipation | 3.5 W |
| Current Consumption (+5V ModuleBus) | 70 mA |
| Current Consumption (+24V External) | 40 mA |
| Operating Temperature | -25°C to +60°C |
| Protection Class | IP20 (IEC 60529) |
| Dimensions (W x H x D) | 45 mm x 119 mm x 102 mm |
| Weight | Approx. 0.23 kg |
| Redundancy | Not supported |
| High Integrity (SIL) | No |
| Intrinsic Safety | No |
| Model | Description | Typical Application |
|---|---|---|
| AO815 (3BSE052605R1) | 8-channel analog output, 4...20 mA with HART (earlier revision) | Replacement or upgrade from earlier revision |
| AI815-eA (3BSE052604R2) | 8-channel analog input module with HART | Input counterpart for AO815-eA in I/O sets |
| AO820 | 4-channel analog output, ±10 V (bipolar) | Applications requiring voltage signals |
| AO845A | 8-channel analog output with HART and redundancy support | High-availability systems with redundancy requirement |
| AO890 | 8-channel analog output with HART and SIL certification | Safety-critical (SIL3) applications |
| AI810 | 8-channel analog input module (non-HART) | Standard non-HART input applications |
| TU830 / TU833 | Extended Module Termination Unit (MTU) for AO815 | Required mounting base for field wiring |
| TU810 / TU812 / TU814 | Compact MTU options for AO815 | Space-saving field wiring solutions |
| 2711PT15C21D8S | 1756-OB16 | 1784-CF64 |
| 2711P-T10C21D8S | 1756-TBCH | 1734-OE2C |
| 2711P-T12C4D8 | 1756-TBNH | 1734-IR2E |
| 2711P-RDT10C | 1756 L83E | 1734-OB8S |
| 2711P-K10C4D8 | 1756 IF8H | MVI56E-MNET |
| 2198-H015-ERS | 1756-OB16E | 1715-AENTER |
| 2198-H025-ERS2 | 1756-IR6I | EXTER T150 |
| 2094-BM01-S | 1756-PB72 | 1756-IF16 |
Q1: Which ABB control systems is the AO815-eA compatible with?
The AO815-eA is part of the S800 I/O system and is designed for ABB System 800xA DCS and AC 800M controllers. It can also communicate with third-party controllers via PROFIBUS-DP/DPV1 fieldbus connection .
Q2: Does the AO815-eA support HART communication?
Yes. Each of the 8 output channels features a HART pass-through interface, enabling two-way digital communication for remote configuration, calibration, and asset management of smart field instruments such as positioners and actuators. The output filter must be enabled on channels used for HART communication .
Q3: What is the maximum load resistance the AO815-eA can drive?
The maximum load resistance is 750 Ω for the 4...20 mA range. The outputs are short-circuit protected to both ZP and +24 V .
Q4: What diagnostics does the AO815-eA provide?
The module performs self-diagnostics cyclically, including:
External Channel Error – reported if process power supply is too low, or output current is less than set value (when set value > 1 mA, indicating open circuit)
Internal Channel Error – output circuit cannot deliver the correct current
Module Error – output transistor error, short circuit, checksum error, internal power supply error, or watchdog error
Q5: Is the AO815-eA suitable for SIL-rated (safety) applications or hazardous areas?
No. The AO815-eA is a standard module and is not classified as High Integrity (SIL-rated) or Intrinsically Safe. For safety-critical applications requiring SIL3, ABB offers the AO890 module. For hazardous area installations requiring intrinsic safety, the AO895 module is recommended.
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The ABB AO820 (3BSE008546R1) is a 4-channel bipolar analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers.The module features individual galvanic isolation per channel and built-in diagnostics, making it a reliable solution for precision control in demanding industrial environments including chemical, oil & gas, and pharmaceutical applications.
The ABB AO890 (3BSC690072R1) is an 8-channel intrinsically safe analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers. The module features integrated intrinsic safety (Ex ia) protection components on each channel, allowing direct connection to process equipment in hazardous areas (Zone 0/1/2) without requiring external safety barriers.
The ABB AO845 (3BSE023676R1) is an 8-channel analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers. It provides 4...20 mA current signals to control field actuators such as valves, positioners, and variable speed drives.
The ABB AO845A (3BSE045584R1) is an 8-channel analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers. It provides 4...20 mA current signals to control field actuators such as valves, positioners, and variable speed drives, while integrated HART pass-through enables two-way digital communication with smart field instruments.
The ABB AO815 (3BSE052605R1) is an 8-channel analog output module from the S800 I/O system, designed for ABB System 800xA DCS and AC 800M controllers. It provides 4...20 mA current signals to control field actuators such as valves, positioners, and variable speed drives, while integrated HART pass-through enables two-way digital communication with smart field instruments.
The ABB AO801 (3BSE020514R1) is an 8-channel analog output module from the S800L I/O system, designed for ABB System 800xA DCS and AC 800M controllers. It provides precise 0...20 mA or 4...20 mA current signals to control field actuators such as regulating valves, positioners, and variable speed drives in process automation applications.
The ABB AO815-eA (3BSE052605R2) is an 8-channel analog output module from the S800 I/O system, designed for the System 800xA DCS and AC 800M controller platform. Each channel provides 4...20 mA (or configurable 0...20 mA) output with HART pass-through communication, enabling seamless integration with smart field instruments such as positioners, valves, and actuators.
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