ABB AINT-14C – 14‑Channel Analog Input Termination Board for Symphony/INFI 90 Systems

The ABB AINT-14C is a 14‑channel analog input termination board designed for ABB Symphony (Harmony) / INFI 90 I/O. From my experience, it’s the straightforward, field-proven way to land 4–20 mA or voltage inputs from the plant floor and carry them to IMASI‑series analog input modules with clean, labeled connections and solid grounding. You might notice that it simplifies loop wiring, shielding, and channel segregation—small details that typically cut commissioning time and reduce nuisance noise issues in many cabinets.

Order Placement Process & Guarantees

Key Features

• 14 analog input channels – Neat landing for plant signals with clear, consistent channel labeling.
• Current and voltage flexibility – Typically supports 4–20 mA loops and common voltage ranges (when equipped with the proper shunt/scale components).
• Clean grounding and shielding – Dedicated shield termination areas help keep noise down in high-EMI panels.
• Loop power distribution – In many cases, allows convenient 24 VDC loop power routing/fusing at the termination level.
• Direct compatibility – Mates with ABB Symphony/INFI 90 IMASI‑series analog input modules via the standard interconnect cable.
• Serviceable design – Robust screw terminals and separable field wiring reduce downtime during maintenance.
• Revision C hardware – Stable, widely adopted revision that seems to be favored for retrofit and expansion projects.

Technical Specifications

Application Fields

The AINT‑14C is typically used anywhere multiple analog loops need tidy, reliable terminations into ABB Symphony/INFI 90 controllers. Common sectors include:

• Power generation (boiler, turbine, BOP instrumentation)
• Oil & gas and petrochemical units (flow, pressure, temperature transmitters)
• Metals and mining (cooling, hydraulics, furnace control)
• Pulp & paper (stock prep, steam, chemical dosing)
• Water & wastewater (level, dosing, aeration control)

A maintenance lead recently told us, “Swapping this termination board was the easiest part of the upgrade—labels matched, shields landed right, and the loops came up first try.” That’s usually the kind of low‑risk swap engineers want during a tight outage.

Advantages & Value

• Drop‑in compatibility – Designed for ABB Symphony/INFI 90 architectures, reducing engineering effort.
• Reliability in harsh panels – Solid shielding and grounding practices that, in many cases, cut down on analog noise.
• Faster commissioning – Clear channel markings simplify loop checks and documentation.
• Lifecycle support – A widely deployed revision with stable availability, helpful for spares strategies.
• Cost control – Avoids re-terminations or rewiring during module replacements, which typically saves labor hours.

Installation & Maintenance

• Cabinet environment – Mount on a clean, ventilated backplate inside an industrial control cabinet; keep high‑voltage and high‑frequency cables segregated.
• Wiring practice – Use twisted shielded pairs for analog loops; terminate shields at the designated drain points; torque terminal screws to spec.
• Safety – De‑energize loops before working; observe ESD precautions when connecting to IMASI modules.
• Routine checks – Periodically re‑torque terminals, inspect for corrosion, clean dust with dry air, and verify shield integrity.
• Calibration – Calibration applies to the analog input modules/transmitters; the termination board itself requires no calibration.
• Firmware – No firmware on the AINT‑14C; nothing to update.

Quality & Certifications

• Manufacturer quality system: ISO 9001 (ABB manufacturing typically operates under ISO 9001)
• CE marking is commonly applied for EMC/safety in ABB control hardware families
• UL considerations: used inside UL‑listed control panels in many cases
• RoHS: varies by revision and production year; confirm per batch if required by your site standards
• Warranty: 365 days (as stated above)

Related/Supporting Components

The AINT‑14C is commonly paired with ABB IMASI‑series analog input modules in Symphony/INFI 90 systems (e.g., IMASI03/IMASI23). If you’re planning a panel refresh, we can also support compatible interconnect cables, fused loop power blocks, and replacement terminal hardware—those small items often make the difference during a short outage.