Process Measurement & Signal Acquisition Solution — ABB IMASI02 | AC800M Series
In continuous process industries — oil & gas, chemical, power generation, and pulp & paper — the integrity of analog signal acquisition is the foundation of safe and efficient plant operation. The ABB IMASI02 is a dedicated analog input module engineered for the AC800M Distributed Control System (DCS) platform, delivering high-accuracy, multi-channel signal conditioning for field transmitters across the most demanding industrial environments.
When a refinery engineer needs to monitor eight pressure transmitters simultaneously on a single I/O card — with guaranteed isolation, deterministic scan rates, and seamless integration into the AC800M controller — the IMASI02 is the specified solution.
Where This Product Is Used
The ABB IMASI02 is deployed wherever precise analog measurement feeds into a DCS control loop:
- Oil & Gas Upstream/Midstream: Wellhead pressure and temperature monitoring, pipeline flow measurement via 4-20 mA transmitters, separator level control loops.
- Chemical & Petrochemical Plants: Reactor temperature profiling, distillation column differential pressure, feed flow ratio control requiring tight signal accuracy.
- Power Generation: Boiler drum level, steam pressure, turbine inlet temperature — all feeding AC800M safety and control strategies.
- Pulp & Paper Mills: Digester pressure, bleach plant pH, stock consistency measurement integrated into AC800M process cells.
- Water & Wastewater Treatment: Flow, level, and turbidity transmitter inputs for SCADA/DCS hybrid architectures built on AC800M.
- Pharmaceutical Manufacturing: Clean-in-place (CIP) temperature and pressure monitoring under GMP-compliant DCS control.
Technical Specifications
- Model: IMASI02
- Manufacturer: ABB
- Platform: AC800M DCS (S800 I/O)
- Number of Channels: 8 analog input channels
- Input Signal Types: 4–20 mA (active/passive), 0–10 V, thermocouple (type-dependent configuration)
- Resolution: 15-bit + sign (16-bit effective)
- Accuracy: ±0.1% of full scale (typical)
- Channel Isolation: Group isolation between field and system bus
- Scan Cycle: Synchronous with AC800M controller cycle (configurable)
- Power Supply: Supplied via S800 I/O bus — no external field power required for module logic
- Operating Temperature: 0°C to +55°C
- Storage Temperature: −40°C to +70°C
- Humidity: 5–95% RH, non-condensing
- Protection Class: IP20 (module), suitable for cabinet installation
- Dimensions (W × H × D): Approx. 40 × 130 × 100 mm (S800 standard form factor)
- Weight: Approx. 280 g
- Certifications: CE, UL, ATEX (zone 2 when used with appropriate barriers)
- Communication: S800 I/O bus to AC800M controller via CI854/CI858 fieldbus interface
- Configuration Tool: ABB Control Builder M (CBM)
- Part Number / SKU: ABB-IMASI02
Why Engineers Specify This Model
- Native AC800M Integration: The IMASI02 is a first-party S800 I/O module — no gateway, no protocol conversion. It communicates natively over the S800 bus, ensuring deterministic data exchange with the AC800M controller and eliminating latency introduced by third-party adapters.
- 8-Channel Density Reduces Cabinet Footprint: Eight isolated analog inputs on a single module card reduces the number of I/O racks, terminal blocks, and wiring runs required — directly lowering BOM cost and installation labor.
- High-Resolution 16-bit Conversion: 15-bit + sign resolution provides 0.003% granularity across the full input range, meeting the accuracy requirements of flow computers, custody transfer metering, and precision temperature control.
- Hot-Swap Capable: S800 I/O modules support online replacement without shutting down the controller or adjacent channels — critical for continuous process plants with zero planned downtime windows.
- Proven 20+ Year Field Record: The AC800M / S800 I/O platform has been deployed in thousands of process plants globally since the early 2000s. The IMASI02 benefits from this mature, well-documented ecosystem with extensive ABB engineering support.
- Seamless Control Builder M Configuration: Channel scaling, engineering unit conversion, alarm limits, and HART pass-through (where applicable) are all configured within CBM — no separate configuration tool required.
Complete System Bill of Materials
The IMASI02 operates within the AC800M S800 I/O architecture. A complete analog input subsystem typically includes:
- ABB IMASI02 — Analog input module (this item)
- ABB TB820V2 / TB840A — S800 I/O ModuleBus Modem (connects I/O cluster to fieldbus interface)
- ABB CI854B / CI858 — PROFIBUS DP / Modbus fieldbus interface module (connects to AC800M controller)
- ABB PM864A / PM866A — AC800M process controller (CPU)
- ABB SD821 / SD822 — 24 VDC power supply for S800 I/O bus
- ABB TU830V1 / TU831V1 — Termination unit for IMASI02 field wiring
- Field transmitters — 4-20 mA pressure, temperature, flow, or level transmitters (customer-supplied)
- Zener barriers / galvanic isolators — Required for ATEX Zone 1 field instruments
Contact Konmask for complete system BOM quotations and compatibility verification.
Compliance & Industry Standards
- CE Marking — EMC Directive 2014/30/EU, Low Voltage Directive 2014/35/EU
- UL Listed — UL 508 (Industrial Control Equipment)
- ATEX / IECEx — Suitable for Zone 2 hazardous area installations with appropriate certified barriers
- IEC 61131-2 — Programmable controller I/O module standard
- IEC 61508 / IEC 61511 — Functional safety compatibility within AC800M SIL-rated architectures (verify SIL rating with ABB documentation for specific application)
- RoHS Compliant — Directive 2011/65/EU
Quality Assurance & Sourcing
Konmask sources ABB IMASI02 modules through verified industrial supply channels with full traceability:
- Authenticity Verification: Every unit is inspected against ABB OEM labeling, firmware revision markings, and physical construction standards before dispatch.
- Functional Pre-Shipment Check: Modules are bench-tested for bus communication and channel continuity prior to packaging.
- Condition Grading: New (factory-sealed), Refurbished (tested to OEM spec), or Surplus (inspected, cleaned, tested) — clearly stated at time of quotation.
- Traceability Documentation: Certificate of conformance, inspection report, and packing list provided with every shipment.
- Packaging: Anti-static ESD bags, foam-lined cartons, and moisture-barrier packaging for international freight.
- Warranty: 12-month replacement warranty against manufacturing defects and functional failure.
How to Source This Part
- Submit Your Inquiry: Email support@konmask.com or call +0086 19859288691 with your required quantity, delivery timeline, and destination country.
- Receive Quotation: We respond within 1 business day with pricing, lead time, condition grade, and shipping options (DHL Express, FedEx, sea freight).
- Order Confirmation: Confirm PO, approve proforma invoice, and select payment method (T/T bank transfer, PayPal, or credit card via Shopify checkout).
- Inspection & Dispatch: Module is inspected, documented, and shipped with full tracking. Typical dispatch: 1–3 business days from payment confirmation.
- Delivery & Support: Post-delivery technical support available for integration questions, Control Builder M configuration guidance, and compatibility verification.
Application-Specific FAQ
Q: Is the IMASI02 compatible with AC800M controllers running Control Builder M version 6.x?
A: Yes. The IMASI02 is supported across all major CBM versions used with AC800M. Verify the specific I/O library version in your CBM project for exact compatibility mapping.
Q: Can the IMASI02 accept HART signals from smart transmitters?
A: The IMASI02 passes the 4-20 mA primary variable. For full HART digital communication (device diagnostics, secondary variables), an IMASI02 with HART capability or a dedicated HART multiplexer is required — confirm the exact variant with ABB documentation or contact Konmask.
Q: What termination unit is required for field wiring?
A: The IMASI02 uses ABB TU830V1 or TU831V1 termination units depending on the mounting rail configuration. Specify your rack type when ordering to ensure correct accessories are included.
Q: Can I replace an IMASI02 online without shutting down the controller?
A: Yes. S800 I/O modules support hot-swap replacement. The AC800M controller continues running; the replaced module re-initializes automatically upon insertion. Follow ABB’s hot-swap procedure in the S800 I/O hardware manual.
Q: What is the maximum cable length from field transmitter to IMASI02 termination unit?
A: ABB recommends a maximum loop resistance (cable + transmitter) within the specified input impedance of the module. For 4-20 mA loops, cable runs up to 300–500 m are typical with standard 0.5 mm² twisted-pair shielded cable — verify against your specific transmitter’s drive capability.
Q: Do you supply the IMASI02 with export documentation for customs clearance?
A: Yes. Konmask provides commercial invoice, packing list, certificate of origin, and HS code declaration (HS 8537.10) for all international shipments.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
