Key Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | AI810 3BSE008516R0001 |
| Manufacturer | ABB |
| Product Type | Analog Input Module |
| Channel Count | 8 Independent Single-Ended Channels |
| Input Signal Types | 0(4)–20 mA or 0–10 V |
| Resolution | 12-Bit |
| Input Resistance | 250 Ω (Current) / 290 kΩ (Voltage) |
| Rated Isolation Voltage | 50 V (Input to Backplane) |
| Typical Power Consumption | 1.5 W at 24 V DC |
| Protection Rating | IP20 |
| Operating Temperature | 0°C to +55°C |
| Installation Method | DIN Rail (Requires TU810/TU812 MTU) |
Product Introduction
Field wiring noise will destroy your process control if your analog inputs lack proper isolation. The ABB AI810 3BSE008516R0001 handles this exact problem in S800 I/O racks. It grabs eight channels of 4-20mA or 0-10V signals from field transmitters and pushes 12-bit digital data straight to the AC800M controller. I have seen these modules survive for decades in dirty chemical plants because they simply do their job without complaining.Engineers keep buying this specific module because it gives you reliable, high-resolution data without forcing you to upgrade the entire control system. The 12-bit resolution is plenty accurate for standard temperature and pressure loops. I will say this: the module itself is bulletproof, but it is notoriously picky about its matching termination unit. Always verify your TU810 or TU812 base is clean before you slide a new AI810 into the rack.
Quality SOP & Tech Pitfalls
The Lab Report: We do not just pull these from a dusty bin and ship them. Every AI810 gets a visual counterfeit check first. We then mount it on a live S800 test rack and inject a 4-20mA signal with a Fluke 789 ProcessMeter to verify the 12-bit conversion accuracy across all eight channels. After passing, we log the firmware revision, wipe it down, and seal it in anti-static packaging.The Engineer’s Warning: Do not mix up your termination units. The AI810 requires a specific MTU like the TU810 or TU812 to complete the physical wiring and backplane connection. I once watched a junior tech force an AI810 onto a TU830 base, bending three backplane pins in the process. Also, always photograph the old DIP switches or jumper settings before pulling the failed module. Guessing those settings will cost you two hours of debugging at 2 AM.
Installation & Configuration Guide
- Pre-Installation: ⚠️ Shut down the 24V DC power to the S800 rack. Wait 60 seconds for the capacitors to discharge. Take clear photos of the existing wiring and any jumper blocks on the old AI810.
- Removal: Label every single wire before disconnecting. Press the DIN rail release tab firmly and pull the module straight out. Never pry it with a screwdriver.
- Installation: Copy the jumper and DIP switch settings from the old module to the new AI810 exactly. Align the module with the MTU base and press evenly until the latch clicks. Verify the mechanical keying matches.
- Power-On & Testing: Restore 24V DC power. Watch the front panel LEDs. The ‘Run’ LED must be solid green. Open Control Builder M, verify the module is recognized, and force a 50% signal to confirm the HMI reads correctly.
Compatible Replacement Models
| Compatibility | Model | Notes |
|---|---|---|
| ✅ Drop-in Replacement | AI810 3BSE008516R1 | Exact hardware match. R1 is the later revision. Zero logic changes required. |
| ⚠️ Software Compatible | AI815 3BSE052604R1 | Same 8-channel 4-20mA base, but adds HART passthrough. Requires Control Builder M hardware catalog update. |
| ❌ Hardware Mod Required | AI820 3BSE008544R1 | Only 4 channels. Requires rewiring the field devices and updating the control logic. Not recommended for a direct swap. |
Frequently Asked Questions
Can I hot-swap this module while the system is running?
Yes. The AI810 supports hot-swapping. You can pull the failed module and insert a new one without dropping the 24V backplane power. Just make sure your Control Builder M logic handles the temporary channel loss gracefully.Does this module need a separate 24V power supply?
No. The AI810 pulls its operating power directly from the S800 ModuleBus. You only need external 24V DC if you are powering 2-wire field transmitters through the module.What happens if I lose the 24V transmitter power?
The module has overcurrent protection. If a field wire shorts, the AI810 will limit the current to protect its internal circuits. You will see a channel fault alarm in your DCS, but the module won’t fry.Is the 3BSE008516R0001 suffix different from R1?
The R0001 is just an older manufacturing revision code. The AI810 3BSE008516R1 is fully backward-compatible and will drop right into your existing rack.Do I need special tools to install this?
Just a small flathead screwdriver for the MTU terminal blocks. The module itself slides onto the DIN rail base by hand. Never use excessive force. If it doesn’t seat easily, check for bent backplane pins.Will Control Builder M automatically configure this?
If the hardware catalog is up to date, yes. The controller will read the module’s electronic nameplate and apply default 4-20mA scaling. You will still need to manually set your engineering units and alarm limits in the logic.
