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        Yokogawa AAI135-H03 S1
        Yokogawa AAI135-H03 S1
        Yokogawa AAI135-H03 S1
        Yokogawa AAI135-H03 S1
        Yokogawa AAI135-H03 S1
        Yokogawa AAI135-H03 S1
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        AAI135-H03 S1

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        This AAI135-H03 S1 module handles 4 to 20 mA current loop signals, which are the industry standard for transmitting sensor data from field devices to control systems.
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        Warranty Policy
        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.
        Return Notice
        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.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        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.

        Technical specifications for AAI135-H03 S1

        • Manufacturer:
          Yokogawa
        • Part Number:
          AAI135-H03 S1
        • Product Family:
          Centum CS-Centum VP
        • Product Type:
          Analog Input Module
        • Number of Channels:
          8 channels, fully isolated
        • Input Signal:
          4 to 20 mA DC
        • Isolation:
          Channel-to-channel and Field-to-system isolation
        • Allowable Input Current:
          25 mA
        • Withstanding Voltage:
          500 V AC for 1 minute (Between input and system / between channels)
        • Input Resistance:
          Power ON: 250 Ω (typical)
        • Accuracy:
          ±16 μA (±0.1% of span)
        • Data Update Period:
          10 ms
        • Transmitter Power Supply:
          19.0 V or higher (at 20 mA)
        • Weight:
          0.35 kg
        • Estimated shipping dimensions:
          14.8 x 11.2 x 7.2 cm
        • Tariff Code:
          8537101190
        • 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 Applications Safety & Compliance Temperature & Humidity Range

        Features:

        • Bridge Between Field 4–20 mA Transmitters and CENTUM VP Control Architecture
        • Merges 8-Channel Analog Acquisition with Per-Channel Galvanic Isolation
        • Functions Alongside FIO-Series I/O Bases and Standard YOKOGAWA Process Controllers
        The YOKOGAWA AAI135-H03 S1 Analog Input Module serves as the isolated 4–20 mA input interface in a FIO rack, translating field current-loop signals into digital data for the control system. It continuously accepts eight independent 4–20 mA inputs and converts them through isolated A/D circuitry, forwarding the digitized process values across the rack backplane to the processor module. Native channel-to-channel isolation is built into the AAI135-H03 S1, and because each of the eight inputs is galvanically separated, ground-potential differences between distant field devices cannot create measurement errors or damage downstream electronics. The AAI135-H03 S1 has been refined over earlier analog input designs, adding reinforced isolation barriers and improved common-mode rejection to sustain accuracy in electrically noisy plant environments.

        The AAI135-H03 S1 provides essential signal-conditioning functions common to the entire I/O segment, and is a critical component of the measurement path, directly affecting the validity of loop data presented to the operator and control algorithms. One AAI135-H03 S1 module occupies a single slot in the FIO base and can be mixed with other FIO analog or digital modules in the same node. The AAI135-H03 S1 is always recognized by the system configuration tool as an 8-channel isolated AI card, and channel scaling, alarm limits, and fault handling are configured through the standard YOKOGAWA engineering station.

        For multi-loop process applications, the AAI135-H03 S1 allows dense packing of analog inputs without external isolators. In addition to straightforward single-module operation, the FIO architecture also permits redundant communication paths; the AAI135-H03 S1 itself feeds its converted data to the dual-redundant bus within the base unit. Using this method, the control system continually validates the integrity of the I/O data. If the primary communication route encounters an anomaly, the AAI135-H03 S1 information is automatically presented through the secondary route, and a diagnostic entry is recorded in the system event log.

        The AAI135-H03 S1 YOKOGAWA Analog Input Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        YOKOGAWA AAI135-H03 S1 Analog Input Module Manuals,Datasheets,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.
        YOKOGAWA AAI135-H03 S1 Analog Input Module Specs

        General

        • Manufacturer YOKOGAWA
        • Model AAI135-H03 S1
        • Condition New Original ready stock
        • Product Family AAI135-H00 S1, AAI135-S00 S2
        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.
        • Process Monitoring: Collecting real-time data from analog sensors to track variables like pressure, flow, and level.
        • Automation Systems: Interfacing with control systems to execute automated tasks based on field measurements.
        • Continuous Process Industries: Widely used in sectors such as Oil & Gas, Chemical Processing, Power Generation, and Pharmaceuticals.
        • Dual-Redundant Configuration: Can be used in redundant setups to ensure system availability and prevent downtime.
        • Certification: The module is CE certified, meeting European safety, health, and environmental protection standards.
        • Intrinsic Safety: For intrinsically safe applications, an isolation barrier is required, as a Zener barrier is not permitted for current output with this series.
        • Isolation: Features full isolation between the field and the system, as well as between individual channels, providing high noise immunity and protecting the system from electrical faults.
        • Operating Temperature: -20°C to +70°C (-4°F to +158°F).
        • Storage Temperature: -40°C to +85°C (-40°F to +185°F).
        • Relative Humidity: 5% to 95% RH (non-condensing).
        • Temperature Rate of Change: Within ±10°C per hour.
        Description
        The Yokogawa AAI135-H03 S1 is a high-performance analog input module in the CENTUM series, specifically designed for industrial automation. As an 8-channel isolated input module, the AAI135-H03 S1 is designed to handle standard 4 to 20 mA DC signals. A key feature of this model is its robust inter-channel electrical isolation, ensuring stable and accurate data acquisition even in environments with high electrical noise.

        The AAI135-H03 S1 module is designed to address signal interference and grounding loop issues in complex industrial layouts. In large chemical plants or refineries, the AAI135-H03 S1 effectively solves inter-channel crosstalk problems, preventing inaccurate readings caused by different grounding potentials of multiple sensors. By providing inter-channel isolation, the AAI135-H03 S1 ensures that a fault or surge in a single field instrument does not propagate to other instruments, thus maintaining the overall integrity of the control loop.

        Furthermore, the AAI135-H03 S1 is optimized for mission-critical applications where system uptime is critical. For example, in power plants where continuous monitoring of steam pressure and temperature is required, the AAI135-H03 S1 can be deployed in a dual-redundant configuration. This approach addresses the risk of single points of failure; if one module fails, the redundant AAI135-H03 S1 unit immediately takes over, thus avoiding costly unplanned downtime and ensuring safe plant operation.
        Alternative Names
        AAI135-S00 S2 AAI141-H00 S1 AAI141-H03 S1 AAI141-S00 S2
        Technical notes
        The AAI135-H03 S1 features fully isolated channels, with each of the 8 inputs electrically separated from one another and from the system side. This isolation design of the AAI135-H03 S1 effectively eliminates ground loop issues and protects the control system from electrical noise, voltage spikes, and potential surges originating in the field wiring.
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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.
        VIEW ALL FAQS
        What is the primary function of the AAI135-H03 S1?
        The primary function of the AAI135-H03 S1 is to collect analog signals from field devices such as pressure transmitters, temperature sensors, flow meters, and level instruments for monitoring and control purposes.
        Why does the AAI135-H03 S1 feature fully isolated channels?
        The fully isolated channel design prevents ground loop problems, minimizes electrical noise interference, and protects the control system from voltage surges and electrical disturbances.
        Why is channel isolation important in the AAI135-H03 S1?
        Channel isolation ensures that a fault or electrical disturbance on one input channel does not affect other channels or the main control system, improving system stability and availability.

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