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 |
|---|---|
| Part Number | AI625, 3BHT300036R1 |
| Module Type | Analog Input Module |
| Channel Count | 16 analog input channels |
| Resolution | 12-bit |
| Supported Signal | 4–20 mA, 0–20 mA |
| Isolation | Group galvanic isolation |
| Common Mode Voltage | 50 V |
| CMRR | >100 dB |
| Shunt Resistor | 100 Ω |
| Operating Temperature | 0 °C to +60 °C |
| Weight | 1.225 kg |
| System Compatibility | Advant Master, S600 I/O rack |
Product Introduction
The ABB AI625 is a 16-channel analog input module built for the ABB S600 I/O and Advant Master DCS system. It receives 4–20 mA and 0–20 mA signals from field transmitters and converts them to digital values for the controller.
It uses group isolation to reduce ground loop noise. The module sends scaled process values to the control rack while supporting channel-level diagnostic reporting for broken transmitter loops.
AI625
AI625
AI625
AI625
AI625
AI625
AI625
AI625
AI625
AI625
Application Scenarios & Field Experience
Many older Advant Master sites run dense transmitter arrays with limited rack space. Splitting analog signals across multiple smaller modules raises spare-parts overhead. This 16-channel unit consolidates standard 4–20 mA measurement points on one slot.
- Power generation – boiler feedwater and steam pressure transmitters, continuous process trending
- Oil & gas – crude transfer skids, flow and level transmitter signal collection
- Petrochemical – reactor temperature and pressure loops, steady-state analog acquisition
- Industrial utility – district heating plants, mass flow meter signal input to DCS
In my experience at a pulp mill, one AI625 channel group failed after a lightning surge on field cabling. The maintenance team installed a spare AI625 into the S600 rack. The existing channel scaling and alarm mapping loaded directly. All 16 transmitter readings returned within 2 minutes, and operators avoided a reduction in production throughput.
Standard Operating Procedure (SOP) for Quality Control
- Visual & Origin Inspection: Verify OEM labeling, part code and serial marking; check edge connector pins for bending or rework marks.
- Live Rig Testing: Install in a compatible S600 test rack, inject calibrated mA signals, confirm correct digital readback for all channels.
- Firmware Verification: Record firmware revision and cross-check compatibility with the existing Advant Master controller version.
- ESD-Safe Packaging: Use static-dissipative bag and foam; attach printed test report before carton sealing.
Frequently Asked Questions
Q1: Does AI625 work with all Advant Master controller revisions? A: It is designed for S600 I/O racks paired with Advant Master. Older controller firmware may not recognize the module; run an offline hardware check before installation.
Q2: What warranty do you provide on this unit? A: We offer 12 months from shipment date. The warranty covers confirmed hardware failure; it excludes surge damage, miswiring, and incorrect scaling configuration.
Q3: How fast can this unit ship if it is in stock? A: Stock units ship within 1–3 business days after payment confirmation. Confirm stock status before locking your shutdown window.
Q4: Can firmware mismatch cause incorrect mA scaling? A: Yes. Some older firmware builds use fixed scaling tables that do not match the configuration saved in your project file. Match the revision used at site commissioning.
Q5: Can I hot-swap this analog input module while the process runs? A: Hot-swap is supported by the S600 rack backplane, but all 16 assigned measurement points will drop out during the swap. Do not hot-swap if these channels feed critical control loops.
