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- AAI143-H50 S1
In Stock
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online.
If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.
Amikon offers a wide range of components, products and services related to industrial automation. We have a large surplus of stocks and are also distributors of new products from a variety of quality manufacturers.
Technical specifications for AAI143-H50 S1
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Product ModelAAI143-H50 S1
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Spare ModelAAI143-H50
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Product ParametersCurrent Input Module
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Tariff Code8537101190
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Country of originJapan
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size3.2x10.6x13cm
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ManufacturerYokogawa
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Weight0.2 kg
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Number of input channels16, isolated
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Input signal4 to 20 mA
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Allowable input current24 mA
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Between input and system1500 V AC, for 1 minute
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Input resistance Power ON270 Ω (20 mA) to 350 Ω (4 mA)
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Input resistance Power OFF500 kΩ or larger
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Accuracy±16 µA
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Data update period10 ms
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Transmitter power supply19.0 V or higher (at 20 mA) 25.5 V
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Drift due to ambient temperature change±16 µA/10 ˚C
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Maximum current consumption230 mA (5 V DC), 540 mA (24 V DC)
Description
The Yokogawa AAI143-H50 S1 is a 16-channel isolated analog input module from the Yokogawa CENTUM VP and CS 3000 Distributed Control System (DCS) families. It converts 4 to 20 mA DC analog current signals from field transmitters and sensors into digital values for processing by the control system.
This module features 16 fully isolated input channels, each with an input resistance of 250 Ω and an allowable input current of 24 mA DC. The input accuracy is ±16 µA with a data update period of 10 ms and temperature drift of ±16 µA per 10°C. Input withstanding voltage is 30 V DC to protect against field-side overvoltage conditions.
The -H suffix designates HART protocol communication capability, enabling digital communication over the 4 to 20 mA analog signal for device configuration, diagnostics, and transmission of additional process variables beyond the primary analog value. HART functionality requires installation in an ER bus node unit with HART function and EB401 firmware revision 2 or later.
This module features 16 fully isolated input channels, each with an input resistance of 250 Ω and an allowable input current of 24 mA DC. The input accuracy is ±16 µA with a data update period of 10 ms and temperature drift of ±16 µA per 10°C. Input withstanding voltage is 30 V DC to protect against field-side overvoltage conditions.
The -H suffix designates HART protocol communication capability, enabling digital communication over the 4 to 20 mA analog signal for device configuration, diagnostics, and transmission of additional process variables beyond the primary analog value. HART functionality requires installation in an ER bus node unit with HART function and EB401 firmware revision 2 or later.
Alternative Names
AAI143-H50 SI
AAI143-H5O S1
AAII43-H50 S1
AA1143-H50 S1
AAI143 H50 S1
AAI143 H50 SI
AAI143 H5O S1
AAII43 H50 S1
AA1143 H50 S1
AAI143-H50-S1
AA1143-H50-S1
AAII43-H50-S1
AAI143-H5O-S1
AAI143-H50-SI
Information
Overview
Manuals
Application Notes
Product Applications
Module Insertion
Features:
- 16-Channel 4–20mA Isolated Current Output Module
- Dual-Redundant Configuration with Standard and Fast Switch-Over Response
- 500V AC Withstanding Voltage with Dedicated Cable
- 2-Wire Transmitter Power Supply Voltage Generation
- Variable Input Resistance Based on Current Strength
The AAI143-H50 S1 can be used in dual-redundant configuration, enhancing system availability by providing backup input capability for critical process control applications. A dual-redundant configuration of the AAI143-H50 S1 ensures continuous process monitoring even in the event of a single module failure, maintaining operational integrity for safety-critical and production-critical systems.
The AAI143-H50 S1 Yokogawa Current Input Module may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Yokogawa AAI143-H50 S1 Current Input Module Manuals, Datasheets, Drivers, Link
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.
The AAI143-H50 S1 features variable input resistance based on current strength, calculated as 250Ω plus the voltage drop in the input protection circuit divided by the current value. This of the AAI143-H50 S1 ensures accurate signal acquisition across the full 4 to 20mA range while providing input protection for the module electronics.
The AAI143 generates voltage between the connecting terminals for 2-wire transmitters, providing loop power for field devices. When calculating the minimum operating voltage for transmitters connected to the AAI143-H50 S1, margins must be allowed for voltage drop in external wiring to ensure reliable transmitter operation. A Zener barrier is not allowed to be connected with the AAI143-H50 S1; an isolation barrier must be used when the module is used in intrinsically safe applications.
- Oil & Gas: Monitors valve positions, pump statuses, and safety shutdown switches
- Chemical Plants: Captures discrete signals from pressure/temperature switches in reactors/vessels
- Power Generation: Monitors emergency stops, breaker statuses, and turbine interlocks
- Manufacturing/Water: Controls filtration systems and tracks conveyor line sensors
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Verify the Slot: Ensure the designated slot in the node unit is clean, free of debris, and matches the module type.
Align the Module: Carefully align the AAI143 module with the top and bottom guide rails of the base plate (or slot).
Insert and Push: Slide the module straight into the slot along the guides. Push gently but firmly until the module is fully seated against the backplane.
Secure the Screws: Tighten the upper and lower retaining screws to secure the module.
Caution: Do not overtighten, but ensure it is fastened tightly enough to prevent vibrations from disrupting the connection.
Technical notes
The module mounts on a terminal board via a cable adapter and supports multiple external connection options including pressure clamp terminals, MIL connector cables, and dedicated KS1 cables. The standard configuration includes a KS type cable interface adapter (ATK4A-00).
Environmental ratings include an operating temperature range of 0°C to +50°C (or -20°C to +70°C with the /3 G3 option), storage temperatures from -25°C to +70°C, and 5% to 95% non-condensing relative humidity.
FAQs
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What is the AAI143-H50 S1 ?
+The Yokogawa AAI143-H50 S1 is a 16-channel, isolated analog input module used primarily in Yokogawa's Distributed Control System (DCS) environments like the CENTUM VP -
Does it support digital communication?
+Yes. The "H" in the AAI143-H50 indicates support for the HART communication protocol. This allows technicians to perform device configurations and diagnostics directly from the control room. -
Are the channels isolated?
+Yes. All 16 channels are electrically isolated, which helps prevent ground loops and electrical noise from interfering with signal integrity. -
Can the module be used in redundant configurations?
+Yes. The AAI143 supports a dual-redundant configuration for critical applications requiring high availability and fault tolerance.
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