Yokogawa AAI143-S03 S1
Yokogawa AAI143-S03 S1
Yokogawa AAI143-S03 S1
Yokogawa AAI143-S03 S1
Yokogawa AAI143-S03 S1
Yokogawa AAI143-S03 S1
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AAI143-S03 S1

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Yokogawa AAI143-S03 S1 is a 16-channel isolated 4 to 20 mA analog input module for FIO process-control systems. It acquires field transmitter signals and supports channel-level 2-wire or 4-wire setup.
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Technical specifications for AAI143-S03 S1

  • Manufacturer:
    Yokogawa
  • Part Number:
    AAI143-S03 S1
  • Product Family:
    Centum CS-Centum VP
  • Product Type:
    Analog Input Module
  • Stock:
    1
  • Channel Count:
    16 isolated channels
  • Input Signal:
    4 to 20 mA
  • Maximum Allowable Input Current:
    24 mA
  • Powered Input Resistance:
    270 Ω at 20 mA to 350 Ω at 4 mA
  • Power-Off Input Resistance:
    500 kΩ minimum
  • Accuracy:
    ±16 μA
  • Data Update Period:
    10 ms
  • Input-to-System Withstand Voltage:
    1500 V AC for 1 minute
  • Transmitter Supply:
    At least 19.0 V at 20 mA; no more than 25.5 V at 0 mA; 25 mA current limit
  • Transmitter Wiring Selection:
    2-wire or 4-wire, selected per channel by setting pin
  • Temperature Drift:
    ±16 μA per 10 °C
  • Maximum Current Consumption:
    230 mA at 5 V DC; 540 mA at 24 V DC
  • External Connection:
    Pressure-clamp terminal, MIL connector cable, or dedicated KS1 cable
  • Redundant Configuration:
    Dual-redundant configuration supported
  • Weight:
    0.661 lbs (0.3 kg)
  • Estimated shipping dimensions:
    3.2 x 10.2 x 13 cm
  • Tariff Code:
    Please confirm the destination before shipping.
  • Country of origin:
    Japan
  • 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 Specifications Safety & Compliance Operating Environment Applications

Features:

  • Provides 16 isolated analog current-input channels.
  • Accepts field signals in the 4 to 20 mA range.
  • Supports dual-redundant configuration in the documented FIO system.
The AAI143-S03 S1 is an AAI143 current-input module configuration for Yokogawa FIO systems. It acquires field transmitter signals through sixteen isolated channels for process measurement.

In service, the module converts each 4 to 20 mA loop signal into input data for the control system. Its isolated channels and redundancy support help maintain signal acquisition within a configured FIO node.

Before installation or replacement, verify the full suffix, node type, terminal block and cable arrangement against the existing system. Use an isolation barrier for intrinsically safe applications and follow the applicable Yokogawa wiring instructions.

Availability is subject to Apter Power inventory and sourcing confirmation.

Verified resources for Yokogawa AAI143-S03 S1:

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.

Yokogawa AAI143-S03 S1 Isolated Analog Input Module Specs

General

  • ManufacturerYokogawa
  • ModelAAI143-S03 S1
  • ConditionNew & Unused
  • Product FamilyCentum CS-Centum VP FIO

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.
  • Input-to-system isolation is rated at 1,500 V AC for one minute under the specified cable conditions.
  • Yokogawa prohibits Zener barriers in intrinsically safe applications; an isolation barrier is required.
  • With the dedicated cable, withstand voltage is 500 V AC between input and system; MIL-cable limits depend on the cable specification.
  • Designed for indoor installation in a compatible Yokogawa CENTUM VP field I/O node-unit cabinet.
  • Operate the module only within the ambient temperature and humidity limits published for the installed FIO enclosure.
  • Prevent condensation, corrosive gases, conductive dust, excessive vibration, and uncontrolled electromagnetic interference around the I/O station.
  • Provides current-measurement data from field transmitters to Yokogawa field control stations.
  • Supports process monitoring and control strategies that use standardized 4 to 20 mA instrument signals.
  • Can be deployed in a dual-redundant acquisition architecture when the FIO system is designed for redundancy.
Description
The Yokogawa AAI143-S03 S1 is a 16-channel isolated current-input module for CENTUM CS and CENTUM VP field network I/O. It receives 4 to 20 mA signals from process transmitters, with each channel configured for 2-wire or 4-wire connection.

The module converts field current signals into control-system input data and supports use in a dual-redundant configuration. The S03 code specifies the ISA Standard G3 option and the -20 to 70 °C temperature option; the S1 code is retained as part of the supplied ordering designation.

For replacement planning, verify the FIO node, terminal assembly, cable, channel wiring selection, and transmitter-loop voltage drop. In intrinsically safe circuits, use an isolation barrier rather than a Zener barrier, and observe the applicable cable-specific withstand rating.
Alternative Names
AAI143-S03 S1 Yokogawa AAI143-S03 S1 AAI143-S03-S1 AAI143 S03 S1 AAI143S03S1 Yokogawa AAI143S03S1 Yokogawa AAI143-S03-S1 AAI143 S03-S1
Technical notes
AAI143-S03 S1 intrinsically safe circuits require an approved isolation barrier rather than a Zener barrier; verify the cable-specific withstand limit before connection.
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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.
What barrier principle applies to intrinsically safe circuits on Yokogawa AAI143-S03 S1?
Use an approved isolation barrier and verify the cable-dependent withstand limits; a Zener barrier is not specified for this module arrangement.
How should transmitter wiring be checked when installing Yokogawa AAI143-S03 S1?
Verify each channel’s 2-wire or 4-wire setting pin position against the transmitter wiring, and allow for field-cable voltage drop when checking loop supply.
What happens to the current loop if Yokogawa AAI143-S03 S1 loses power?
Yokogawa notes that the current-input loop is open when module power is off or abnormal, so the control strategy should account for this failure state.
Is Yokogawa AAI143-S03 S1 interchangeable across all FIO node types?
Do not assume universal node interchangeability. Check the exact module code, node type, connector method and the existing system configuration before replacement.
Can a different AAI143 suffix replace Yokogawa AAI143-S03 S1 without further checks?
No general suffix interchange rule is established here. Compare the complete label and verify environmental option, terminal wiring and node compatibility before substitution.
Where can I obtain a manual and quotation for Yokogawa AAI143-S03 S1?
Use Yokogawa General Specifications GS 33J60F60-01EN for the AAI143 hardware data. For a quote, provide the complete nameplate code and requested quantity to Apter Power.