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YOKOGAWA CENTUM VP FIELD I/O
Yokogawa AAI835-H03 S1 Isolated Analog I/O Module with HART
A compact current input/output module combining four isolated 4–20mA input channels, four isolated 4–20mA output channels and HART communication for precise process-loop integration.
PRODUCT PROFILE
System family
CENTUM VP FIO
Module class
Isolated current I/O
Signal role
4–20mA + HART
AVAILABILITY
Limited stock
Official technical data
Manufacturer
Yokogawa Electric
Product type
Isolated analog I/O module
System family
CENTUM VP FIO
Input channels
4 isolated channels
Output channels
4 isolated channels
Communication
HART pass-through
Withstand voltage
500V AC / 1 minute
Installation
FIO node unit
Communications & Connectivity
HART device access
Bidirectional HART pass-through supports configuration and diagnostic access for compatible smart field instruments.
Isolated loop interface
Four current inputs and four current outputs connect 4–20mA loops while maintaining channel separation.
CENTUM integration
The module operates in supported CENTUM VP FIO nodes and can participate in documented redundant arrangements.
Safety & Compliance
Electrical limits
Observe documented channel current, field supply and 500V AC withstand requirements during commissioning and test.
Controlled servicing
De-energize associated field circuits, release the software module lock and verify the correct node slot before replacement.
Complete code match
Confirm the full AAI835-H03 S1 designation, HART option, connector arrangement and terminal-board wiring.
Brand characteristics
Yokogawa CENTUM field I/O combines defined model codes, isolated signal channels and documented system integration for controlled process-automation lifecycle support.
Catalog discipline
The complete H03 and S1 suffixes identify communication, connector and style requirements.
Channel isolation
Individual channel isolation helps protect loop integrity and reduce interference between field circuits.
Lifecycle continuity
Established CENTUM engineering tools support configuration, diagnostics and planned replacement.
Application fields
AAI835-H03 S1 supports precise 4–20mA acquisition and output control where HART-enabled field devices are integrated with CENTUM VP infrastructure.
Process plants
Current-loop transmitters and control valves in chemical, refining and continuous-production systems.
Energy facilities
Isolated monitoring and control loops for utilities, generation and auxiliary plant equipment.
Lifecycle projects
Revision-matched replacement and recommissioning of installed Yokogawa field I/O systems.
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01 · IDENTIFY
Provide the complete AAI835-H03 S1 code, installed node, terminal arrangement and required quantity.
02 · VERIFY
Confirm channel configuration, HART use, connector suffix, style revision and current system compatibility.
03 · QUOTE
Review pricing, lead time, warranty and delivery terms for the requested quantity.
04 · DISPATCH
Complete order checks, protective packing and destination-based shipment planning.
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