Product Details
Product Description
The AAI841-S00 analog I/O module from Yokogawa integrates both input and output functions into a single compact unit. Designed for distributed control systems, it provides 8 analog input channels and 8 analog output channels, all operating within the 4–20 mA DC range. This module is available in multiple suffix variations, including options for HART communication and enhanced environmental tolerance, making it adaptable to diverse industrial applications.
Technical Specifications
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Model Number: AAI841-S00
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Type: Analog I/O Module
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Channels: 8 input channels / 8 output channels (non-isolated)
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Input Signal Range: 4–20 mA DC
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Output Signal Range: 4–20 mA DC
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Withstanding Voltage: ±1 V or more common mode voltage
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Input Resistance (Power ON): 400 Ω at 20 mA, 1000 Ω at 4 mA
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Input Resistance (Power OFF): ≥500 kΩ
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Output Resistance: ≥1 MΩ
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Circuit-Open Detection: ≥340 kΩ for input
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Accuracy: ±48 µA
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Data Update Period: 10 ms
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Input Step Response Time: 100 ms
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Output Step Response Time: <100 ms
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Temperature Drift: ±0.1% per 10 °C
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Transmitter Supply: Supports 2-wire and 4-wire transmitter configurations
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Power Consumption: 310 mA (5 V DC), 500 mA (24 V DC)
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Weight: 0.3 kg
Suffix Code Options
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S: Standard type
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H: HART protocol support
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0: Basic type
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3: ISA G3 environmental option, extended temperature range (-20 to +70 °C)
Key Features
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Dual Functionality: Combines input and output in one module
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HART Support (optional): Enables digital communication over analog signals
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Compact Design: Lightweight and efficient for cabinet installation
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Flexible Configuration: Multiple suffix options for different environments
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Reliable Performance: Stable accuracy and fast response times
Application Scenarios
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Chemical and petrochemical process monitoring
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Power generation instrumentation
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Water treatment and distribution systems
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General industrial automation requiring both input and output signals
FAQ
Q: How many channels does the AAI841-S00 provide? A: It supports 8 input channels and 8 output channels.
Q: Does this module support HART communication? A: Yes, the H suffix variant provides HART protocol support.
Q: What is the difference between S00 and H00 versions? A: The S00 is the standard type, while the H00 variant includes HART communication capability.
Comparison with Similar Models
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AAI841-S00: Standard analog I/O module, non-isolated
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AAI841-H00: Analog I/O module with HART protocol support
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AAI841-3: Enhanced environmental tolerance with ISA G3 compliance
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.