Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Article Number | 3BSE040662R1 |
| Channel Count | 8 analog input channels |
| Supported Sensors | Pt100, Cu10, Ni100, Ni120, 0–400 Ω resistors |
| Wiring Type | 3-wire RTD connection |
| Resolution | 14-bit |
| Isolation | Groupwise isolated from ground |
| Compatible Termination Units | TU810, TU812, TU814, TU830, TU833 |
| Power Consumption | 1.6 W |
| Modulebus Current | 70 mA @ +5 V, 50 mA @ +24 V |
| Filter Notch | 50 Hz / 60 Hz configurable |
| Operating Temperature | -40°C to +70°C |
| Form Factor | S800 standard I/O module, keying code AF |
| Onboard Function | Linearization to °C / °F, per-channel configuration |
Product Introduction
This ABB AI830A is an S800 I/O RTD input module built for System 800xA and Freelance DCS platforms. It samples 3-wire resistive temperature sensors and converts raw resistance values into scaled temperature readings.
It handles linearization locally on the module. Each channel can be set independently, and the built-in mains filter suppresses noise from nearby motor and power cabling. It does not support HART communication.
AI830A
AI830A
AI830A
AI830A
AI830A
Application Scenarios & Field Experience
Continuous process plants rely on steady temperature readings for reactor, furnace, and vessel control. A failed RTD module creates missing temperature points, which forces operators to run with degraded interlock coverage.
- Chemical processing: Reactor jacket and feed line temperature monitoring with Pt100 sensors.
- Power generation: Boiler and turbine lube oil temperature trending and alarm logic.
- Pulp and paper mills: Dryer section temperature control for web quality stability.
- Oil & gas processing: Heat exchanger and separator vessel temperature measurement.
In my experience, a chemical plant lost six temperature points after an AI830A channel bank failed. The control system flagged bad quality on all associated RTD tags, and operators had to hold setpoints manually. We shipped a matching AI830A, the technician locked in the correct TU833 base, downloaded the existing channel configuration, and restored all temperature readings within 35 minutes. No process shutdown was required.
Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection: Verify full part number 3BSE040662R1, OEM labeling, module keying AF, and inspect for PCB damage.
- Live Rig Testing: Mount on compatible termination unit, apply modulebus power, inject calibrated resistance values to validate 14-bit conversion and channel diagnostics.
- Firmware Verification: Read and record the module firmware revision; cross-check against the DCS controller version.
- ESD-Safe Packaging: Static-dissipative bag, fitted foam, rigid carton, and ESD warning labels.
Frequently Asked Questions (FAQ)
Q1: Does AI830A work with both System 800xA and Freelance DCS? A: Yes, it is compatible with both platforms. Confirm your termination unit type and controller firmware before ordering. It is not a thermocouple module.
Q2: What warranty comes with this module? A: We provide 12 months of warranty. Warranty excludes damage from incorrect sensor wiring, overvoltage, or ground loop faults from unisolated RTDs.
Q3: How fast can this unit ship, and is stock confirmed? A: Stock status is confirmed before quotation. If available, it ships within 1–2 business days. If stock is pending, we will state the exact lead time upfront.
Q4: Can I upgrade the module firmware to match newer controller revisions? A: Firmware mismatches can cause channel scaling errors or bad signal quality flags. Only use firmware validated for your existing DCS revision. Do not flash untested builds.
Q5: Can I hot-swap this AI830A while the S800 I/O rack is online? A: Hot-swap is supported on S800 racks with hot-swap capable bases. Even so, all 8 temperature channels on that module will drop briefly during exchange. Review your interlock logic before swapping.
