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Technical specifications for IMMFP12
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Manufacturer:ABB
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Product Category:DCS Systems
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Spare Part Number:IMMFP12
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Estimated shipping dimensions:3.6x31.4x17.7cm
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Weight:0.26 kg
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Tariff Code:8537101190
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Counliy of origin:Sweden
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Processor:32-bit processor, 16-bit external bus, 16 MHz
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Memory:512 kbytes ROM; 512 kbytes RAM; 256 kbytes NVRAM
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Power:+5 VDC at 2 A maximum; 10 W maximum dissipation
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Serial ports:Two RS-232-C, or one RS-485 plus one RS-232-C, up to 19.2 kbaud; NTMP01 or NIMP01 required for connection
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Station support:64 IISAC01 stations at 40 kbaud, or 8 NDCS03/NDIS01 stations at 5 kbaud
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Redundant link:1 Mbaud serial link
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Programming:Function codes, C, Basic, Batch 90, Ladder, user-defined functions
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Mounting:One slot in standard INFI 90 OPEN MMU
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Environment:0 to 70 deg C; noncondensing humidity per ABB data sheet; sea level to 3 km; noncorrosive air
Information
Overview
Manuals
Common Applications
Product Precautions
ABB IMMFP12 is a Harmony Rack multifunction processor for process-control applications requiring multiple-loop analog, sequential, batch, and advanced control. ABB documents compatibility with the INFI 90 OPEN system in functionality, communications, and packaging.
- Processor: 32-bit processor, 16-bit external bus, 16 MHz
- Memory: 512 kbytes ROM; 512 kbytes RAM; 256 kbytes NVRAM
- Power: +5 VDC at 2 A maximum; 10 W maximum dissipation
- Serial ports: Two RS-232-C, or one RS-485 plus one RS-232-C, up to 19.2 kbaud; NTMP01 or NIMP01 required for connection
The processor receives process I/O from analog and digital I/O modules over the I/O Expander Bus. It communicates with other rack controllers over Controlway and reaches other Cnet nodes through Harmony Rack communication modules. IMMFP12 uses a 32-bit processor with a 16-bit external bus at 16 MHz and provides 512 kbytes ROM, 512 kbytes RAM, and 256 kbytes NVRAM. Its supported programming environments include function codes, C, Basic, Batch 90, Ladder, and user-defined functions. ABB specifies one-slot mounting in a standard INFI 90 OPEN module mounting unit, two serial-port arrangements up to 19.2 kbaud, serial-station support, and a 1 Mbaud redundant communication link. ABB's current Symphony Plus catalog positions SPC810ev as the engineered evolution path for MFPxx and BRCxxx controllers.
Important Notice: Confirm the complete IMMFP12 nameplate, hardware revision, firmware, and installed slot before replacement.
Apter Power IMMFP12 Manuals and Guides
Important Notice: The first link is the product-parameters PDF prepared only from the cited manufacturer information; the second link is the Apter Power product manual. Confirm the physical nameplate, current manufacturer documents, and host-system requirements before installation or replacement.
Continuous process control
Executes multiple analog loops and complex control strategies using rack I/O.
Sequential and batch automation
Supports sequential logic, Batch 90, and ladder-based applications.
Plant data acquisition
Collects process I/O and exchanges data with peer controllers and Cnet nodes.
Legacy INFI 90 OPEN support and evolution
Maintains documented compatibility while supporting a planned migration toward current Symphony Plus controllers.
Read and follow the current ABB documentation and host-equipment instructions before work. Verify the complete physical nameplate and system configuration.
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Back up the complete controller configuration, function-code database, tuning data, and revision records before service.
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Verify the exact IMMFP12 hardware and firmware revision and the redundancy arrangement; do not mix paired-controller settings casually.
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Confirm the installed Controlway/module-bus mode, address, serial termination hardware, and station population from approved drawings.
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Follow ABB and site isolation, ESD, insertion/removal, and commissioning procedures for the installed MMU.
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Check the documented +5 VDC supply and 0 to 70 deg C ambient before energization.
Alternative Names
IMMFP12
ABB IMMFP12
Technical notes
Verification Status: VERIFIED_EXACT_MODEL_AND_FUNCTION
Exact Mapping: ABB identifies IMMFP12, together with IMMFP11, as a Harmony Rack multifunction processor for multiple-loop analog, sequential, batch, and advanced control. ABB states that IMMFP12 has twice the memory capacity of IMMFP11.
Lifecycle Status: HOLD - ABB called an installed IMMFP12 outdated in a 2024 customer evolution example and current ABB catalogs present SPC810ev as the form/space-fit/functional replacement for MFPxx, but no current exact IMMFP12 lifecycle-phase statement was found.
Country Of Origin: HOLD - no exact official evidence found
Dimensions: 35.56 mm W x 177.80 mm H x 298.45 mm L
Weight: HOLD - no exact official evidence found
Confirm the complete IMMFP12 nameplate, hardware revision, firmware, and installed slot before replacement.
Do not treat IMMFP11 and IMMFP12 as identical; ABB documents different memory capacities.
Confirm Controlway versus module-bus architecture, redundancy, serial-station population, and project configuration before migration.
Treat SPC810ev as an ABB evolution option, not an automatic field swap without an engineered migration plan.
Exact current lifecycle phase
Country of origin
HS code
Weight
Automatic drop-in migration without engineering
Any separate order number not shown by ABB
FAQ View All FAQ
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What is ABB IMMFP12?It is a Harmony Rack multifunction process controller for analog, sequential, batch, and advanced control.
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Is IMMFP12 compatible with INFI 90 OPEN?Yes. ABB states compatibility in functionality, communications, and packaging.
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How does it reach rack I/O?Through the I/O Expander Bus.
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How does it communicate with peer rack controllers?Over Controlway.
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How does it reach Cnet nodes?Through Harmony Rack communication modules.
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What processor and memory are documented?A 32-bit, 16 MHz processor with 512 kbytes each ROM and RAM and 256 kbytes NVRAM.
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Which programming methods are supported?Function codes, C, Basic, Batch 90, Ladder, and user-defined functions.
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Which termination devices support its serial ports?ABB names NTMP01 or NIMP01.
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How much rack space does it use?One standard INFI 90 OPEN MMU slot.
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What is ABB's current evolution direction?ABB positions SPC810ev as a form/space-fit/functional replacement for MFPxx and BRCxxx, subject to project engineering.
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Is the current IMMFP12 lifecycle phase proven?No. ABB describes an installed unit as outdated, but no exact current phase statement was found.
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Are origin, HS code, and weight known?No; those fields remain HOLD without exact ABB evidence.
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