Product Details
Product Description
The AAI841-H00 analog input/output module from Yokogawa is designed for distributed control systems requiring both signal acquisition and output functionality in a single unit. This model provides 8 analog input channels and 8 analog output channels, typically operating within the 4–20 mA DC range. The H00 suffix indicates HART protocol support, enabling digital communication for remote configuration and diagnostics.
Technical Specifications
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Manufacturer: Yokogawa
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Model Number: AAI841-H00
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Type: Analog Input/Output Module
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Channels: 8 input channels / 8 output channels
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Input Signal Range: 4–20 mA DC (voltage or current, depending on configuration)
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Output Signal Range: 4–20 mA DC (voltage or current, depending on configuration)
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Isolation: Non-isolated channels
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Communication Protocol: HART-enabled
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Dimensions (W × H × D): 3.2 × 10.7 × 13 cm
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Weight: 0.32 kg
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Suffix Code H00: Indicates HART communication capability
Key Features
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Dual Functionality: Provides both input and output channels in one module
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HART Support: Enables advanced diagnostics and remote configuration
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Compact Design: Lightweight and space-efficient for cabinet installation
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Non-Isolated Channels: Simplified design for standard industrial environments
Application Scenarios
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Chemical and petrochemical process monitoring
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Power generation instrumentation and turbine control
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Water treatment and distribution automation
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General industrial automation requiring both input and output signals
FAQ
Q: How many channels does the AAI841-H00 provide? A: It supports 8 input channels and 8 output channels.
Q: Does this module support HART communication? A: Yes, the H00 suffix indicates HART protocol support.
Q: Are the channels isolated? A: No, the channels are non-isolated.
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.