| Attribute | Value |
|---|---|
| Product | YOKOGAWA AAI835-H03 S3 ANALOG INPUT/OUTPUT MODULE AAI835 |
| Brand | YOKOGAWA |
| Module Type | Analog Input/Output Module |
| Model | AAI835 |
| Suffix | -H03 |
| Style | S3 |
| Serial / Lot No. | C3QB14111G 2014.02 |
| Certification | KCC-REM-YHQ-EEN122 |
| Explosion Protection | II 3 G / EX NC [NL] IIC T4 GC X CL. I, DIV. 2, GPS. A,B,C,D T4 Temperature Code: T4 |
| Country of Manufacture | Indonesia |
| Weight | 350 gm |
| Reference No. | 41520 |
What is YOKOGAWA AAI835-H03 S3 Analog I/O Module
The Yokogawa AAI835-H03 S3 belongs to the AAI835 series-a professional-grade analog input/output module that serves to interface analog field devices with systems of control. Essentially, it serves as a translator: it accepts analog signals from sensors or transmitters, such as 4-20 mA current loops, converts them to internal signals for processing by controllers or DCS/HMI systems, and can also drive analog control signals out to actuators or other devices.
Because it is known that modules in the series AAI835 feature reliability, isolated channels, and compatibility with industrial control systems, “H03 S3” variant follows the same design principals suitable for demanding industrial environments like marine automation, process control plants, and system integration tasks.
Key Features
4-Channel Input/ 4-Channel Output: This module provides four isolated analog input channels and four isolated output channels for acquiring and controlling signals simultaneously.
4–20 mA Signal Support: It supports standard 4–20 mA current-loop signals for both input and output, the de facto standard in industrial instrumentation.
Channel Isolation: Input and output channels are isolated from each other and from system ground, preventing noise, interference, or ground-loop issues that can affect signal integrity, especially in noisy or dangerous applications.
Universal Connectivity: Wire directly with pressure-clamp terminals, or use MIL connector cables — great for wiring in the field or mounting a secure module.
Sturdy Construction & Industrial Compatibility: It is designed to be installed in industrial automation and control systems like DCS (Distributed Control Systems) or PLC-based control architectures.
Option Variants / Suffix Codes: The AAI835 series includes variant options as suffixes, such as “-H” for HART communication compatibility, “S” for standard type, “0/3” for environmental or specification variants, to mention a few-in order to allow flexibility according to system requirements.
Applications / Where It’s Commonly Used
Industrial Process Control: The basic systems used in chemical plants, refineries, power plants, and water/wastewater treatment read sensors for level, flow, and pressure, using transmitters for temperature and send control signals to actuators or valves.
Automation in Marine & Ships: Given your focus, it is ideal for marine systems on ships and offshore rigs; e.g., monitoring of engine parameters, flow of fuel or oil, pump controls, and integration with onboard automation and SCADA/DCS systems.
DCS / PLC Systems: Works with system architectures where analog field signals must be reliably digitized; often integral parts of larger control networks.
Retrofits & Upgrades: When upgrading older instrumentation or integrating analog sensors into newer control frameworks, isolation and a standard 4–20 mA interface ensure compatibility.
Hazardous / Harsh Environments: Due to channel isolation and robust industrial design, suitable in noisy electrical environments or where signal integrity is critical.
Why Choose AAI835-H03 S3?
Reliability & Signal Integrity: Channel isolation reduces interference, hence guaranteeing accurate and stable transmission of analog signals in harsher environments.
Standardization: 4–20 mA analog loops offer the same industrial standards; makes integration with a wide range of sensors, transmitters, and actuators easier by reducing custom wiring or conversion.
Flexibility & Scalability: One module has both input and output channels to handle measurement and control. These simplify system design. Having a number of option variants such as HART support, explosion-proof, and environmental variants allows selection of only what is needed for any one project.
Universal Connectivity: Provides support for industry-standard field wiring techniques-pressure-clamp terminals and MIL cables-making installation or wiring modifications easy and maintenance-friendly.
Compatibility: with all major control systems, designed to integrate into DCS or PLC frameworks, which makes this position relevant to large-scale industrial, marine, and process automation projects.
Ideal for Marine & Automation Suppliers: For distributors or users-like you-dealing in marine automation spare parts, AAI835 modules offer a dependable, generally accepted analog interface; therefore, they are sellable and reusable in many systems.
