ABB IMASI23
ABB IMASI23
ABB IMASI23
ABB IMASI23
ABB IMASI23
ABB IMASI23
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IMASI23

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ABB IMASI23 is a Harmony Rack analog input module for current, voltage, thermocouple and RTD field signals.
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Technical specifications for IMASI23

  • Manufacturer:
    ABB
  • Part Number:
    IMASI23
  • Product Family:
    ABB Bailey
  • Product Type:
    Harmony Rack universal analog input module
  • Stock:
    1
  • Current Input Range:
    4–20 mA
  • Voltage Input Ranges:
    0–5 VDC; 1–5 VDC; 0–10 VDC; 0–100 mVDC
  • Temperature Sensor Inputs:
    Thermocouple and RTD
  • Rack Platform:
    Harmony Rack I/O
  • Bus Interface:
    I/O Expander Bus through the MMU backplane
  • Analog Input Channels:
    16 Independently Configurable Channels
  • A/D Conversion Resolution:
    24 Bit
  • Thermocouple Types:
    B, E, J, K, L, N, R, S, T and U
  • RTD Configuration:
    3-Wire Platinum RTD
  • Module Addressing:
    Eight-Position DIP Switch
  • Termination Connection:
    Dedicated Termination Unit and Termination Cable
  • Weight:
    0.44 kg
  • Tariff Code:
    8473309000
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Signal assignment Termination path Service validation Application
  • 16 independently configurable analog input channels with 24-bit conversion
  • Supports current, voltage, millivolt, thermocouple and 3-wire RTD signals
  • Connects through Harmony termination hardware and the I/O Expander Bus

IMASI23 is ABB's universal Harmony Rack analog input module for process transmitters, voltage sources, thermocouples and RTD temperature sensors.

The module provides 16 independently configurable channels with one isolated 24-bit analog-to-digital converter per channel. Supported signals include 4 to 20 mA, 0 to 5 VDC, 1 to 5 VDC, 0 to 10 VDC, 0 to 100 mVDC, thermocouple and 3-wire RTD inputs.

IMASI23 communicates with the controller through the Harmony Rack I/O Expander Bus and connects to field wiring through the applicable termination unit and cable. Before replacement, preserve every channel type, range, sensor connection, compensation setting, module address and controller configuration.

Availability, condition, price, and shipping time for IMASI23 are confirmed during quotation.

ABB IMASI23 Harmony Rack Analog Input Module Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Current, voltage, thermocouple and RTD channels must follow the saved controller configuration
  • Every sensor type requires the matching field wiring, range and compensation settings
  • Channel records must be preserved before the original module is removed
  • Field wiring lands on the approved Harmony termination hardware
  • The module connects through the MMU backplane and I/O Expander Bus architecture
  • Termination unit, cable and rack position must match the installed system drawing
  • Record the module hardware identification before service
  • Inject known signals and verify scaling, quality and alarms on every used channel
  • Review ABB field-alert applicability before returning critical loops to service
  • Acquisition of 4–20 mA and industrial voltage process signals
  • Direct thermocouple temperature measurement in Harmony Rack systems
  • RTD-based process-temperature monitoring within Symphony and Harmony control applications
Description
IMASI23 is an ABB Harmony Rack analog input module with 16 independently configurable channels for current, voltage, millivolt, thermocouple and RTD process signals.

Each channel uses an isolated 24-bit analog-to-digital converter. The module supports underrange, overrange and open-input detection and can identify an open field circuit or a disconnected termination-unit cable for supported input types.

The module connects through dedicated Harmony termination hardware and the MMU backplane I/O Expander Bus. Replacement of IMASI03 or IMASI13 requires review of Function Code 216 specification S11, system-current demand and power-supply sizing before all configured channels are tested and returned to service.
Alternative Names
IMASI23 IMASI 23 ABB IMASI23 ABB IMASI 23 YIMASI23 ABB YIMASI23
Technical notes
ABB IMASI23 requires its exact signal mix, termination hardware, rack position, channel configuration and affected-hardware status to be checked before process loops are returned to service.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How should a buyer confirm that ABB IMASI23 fits the existing Harmony Rack application?
Match the exact module label, MMU position, termination hardware, cable, I/O Expander Bus arrangement and configured channel types before ordering.
What channel records should be retained before replacing ABB IMASI23?
Retain each channel’s input type, engineering range, sensor wiring, cold-junction or RTD configuration, alarm limits and calibration history.
Can ABB IMASI23 replace IMASI03 or IMASI13 without an engineering review?
ABB evolution material identifies migration relationships, but termination, configuration and loop behavior must be reviewed; a family relationship is not proof of drop-in interchangeability.
What should be checked if ABB IMASI23 reports unstable thermocouple values?
Check sensor type, polarity, shielding, cold-junction compensation, terminal temperature, channel configuration and grounding before changing the module.
Why should the hardware version of ABB IMASI23 be recorded during service?
ABB issued a field alert for units built during a defined period; recording the label and hardware details helps determine whether that alert applies.
What acceptance testing is required after installing ABB IMASI23?
Simulate every current, voltage and temperature channel used by the project, verify scaling and alarms, and compare results with the pre-service baseline.
What information should accompany an ABB IMASI23 sourcing request?
Provide label photographs, rack and slot, termination unit, cable, channel list, configured signal types, hardware revision, quantity and destination.

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