ABB IMCPM01 – Counter/Totalizer Module for Pulse and Frequency Inputs in INFI 90 Systems

The ABB IMCPM01 is a dedicated counter/totalizer module for ABB Bailey INFI 90 DCS. From my experience, it’s the go‑to card when you need reliable pulse counting, frequency measurement, or totalization from devices like turbine flowmeters, magnetic pick-ups, and contact closures. You might notice that it integrates neatly with standard INFI 90 racks and termination hardware, so there’s no awkward wiring tricks to get it running.

Company’s Order Placement Process and Guarantees

• – Warranty period: 365 days

• – Delivery time: 1 week for in‑stock items; no more than one month at the latest

• – Payment: 50% advance payment; full payment before delivery

– Express delivery: FedEx, UPS, DHL

Key Features

• High‑speed pulse counting – Designed for stable counting and totalization of pulse and frequency signals commonly used in flow and speed applications.
• Flexible signal accommodation – Typically works with dry contacts, 24 VDC pulses, or magnetic pick‑ups when paired with the appropriate ABB termination unit and conditioning.
• Frequency measurement – Measures rate as well as total; useful for turbine meters or tach signals where both instantaneous and accumulated values matter.
• Tight INFI 90 integration – Communicates over the INFI 90 module bus; configuration and diagnostics accessible via standard ABB engineering tools in many cases.
• Front‑panel diagnostics – Status/health indicators help maintenance teams spot issues quickly without deep dives.
• Rack‑powered – No external power feed; the module is powered through the INFI 90 backplane for clean cabinet layouts.
• Stable operation – Typically resilient to electrical noise when installed with proper grounding, shielding, and recommended terminal boards.

Technical Specifications

Real‑World Use Cases

• Flow totalization from turbine meters in water treatment, with frequency input scaled to engineering units in the DCS.
• Batch counting in packaging lines where clean, debounced pulse inputs are essential for repeatability.
• Shaft speed monitoring using magnetic pick‑ups, reporting both RPM and accumulated counts to the control strategy.

A maintenance lead at a food‑grade plant told us they swapped an aging counter card for IMCPM01 and “didn’t touch the logic—just landed the pulses on the new termination unit and it came up clean,” which seems to be pretty typical when the wiring is shielded and grounded right.

Related or Supporting Products

• ABB IMCPM02 – Later/revised counter module; typically offers extended diagnostics and, in some cases, higher input flexibility.
• ABB IMCIS02 – Digital input module for standard contact inputs when high‑speed counting is not required.
• ABB IMDSO14 – Digital output module, often paired to drive solenoids or relays based on count thresholds.
• ABB INICT01/INICT02 – INFI‑NET communication interface for higher‑level network connectivity.
• ABB termination units (per CPM) – Matching terminal boards and cables that condition pulse signals and provide isolation where needed.

Installation & Maintenance

• Cabinet & rack – Install in a compatible INFI 90 rack within a clean, ventilated cabinet. Maintain ambient temperatures within the stated operating range.
• Wiring – Use shielded twisted‑pair for pulse/frequency lines. Terminate shields at a single point; keep low‑level signal wiring separate from power cabling.
• Grounding – Ensure proper system ground; noise issues with pulse inputs typically trace back to grounding or shielding mistakes.
• ESD handling – Observe antistatic precautions when inserting or removing the module.
• Configuration checks – Verify scaling, debounce/filter settings, and frequency ranges in your ABB engineering toolset.
• Routine maintenance – Periodically inspect terminals for looseness, clean dust from the cabinet, and review diagnostics LEDs. Firmware updates are uncommon on legacy modules but worth confirming during shutdown windows.

Quality & Certifications

• Manufacturing quality consistent with ABB INFI 90 platform standards.
• Certifications typically include CE and UL/CSA for industrial control equipment; RoHS status may vary by production year. Certificate copies can be provided upon request.
• Manufacturer’s warranty practices apply; our supplied units carry a 365‑day warranty as stated above.