Product Details
The YOKOGAWA AAI141-H00/K4A00, also cataloged as the AAI141 Analog Input Module, operates as a dedicated hardware component for 16-channel 4-20 mA analog signal acquisition with HART digital communication within YOKOGAWA CENTUM control system networks. The assembly includes an ATK4A-00 KS cable interface adapter to enable multi-core cable termination.
Suffix Breakdown & Model Matrix
The catalog designation for the AAI141-H00/K4A00 defines specific hardware capabilities and interface options:
- Base Model (AAI141): Analog Input Module (4 to 20 mA, 16-channel, Non-Isolated)
- Communication Suffix (-H): With digital communication (HART protocol)
- Option Code (0): Always 0
- Option Code (0): Basic type
- Adapter Option (/K4A00): Equipped with KS Cable Interface Adapter [Model: ATK4A-00]
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | AAI141-H00/K4A00 |
| Brand | YOKOGAWA |
| Origin | Japan |
| Operating Temp | -20 to 60 deg C |
| Input Channels | 16 channels, non-isolated |
| Input Signal Range | 4 to 20 mA DC |
| Digital Communication | HART protocol (superimposed on 4-20 mA current loop) |
| Cable Adapter | ATK4A-00 KS Cable Interface Adapter |
| System Compatibility | YOKOGAWA CENTUM VP / CENTUM CS 3000 FIO |
4-20 mA HART Loop Protocol and Signal Acquisition
The AAI141-H00/K4A00 converts 16 non-isolated 4-20 mA current loop signals into digital data frames for DCS backplane processing. Superimposed HART protocol communication enables simultaneous pass-through of secondary process variables, transmitter diagnostic data, and configuration parameters without disturbing analog control loops. The attached ATK4A-00 KS cable interface adapter translates board-level connections into multi-conductor KS cable interfaces for streamlined connection to field terminal panels.
Frequently Asked Questions
Q: What function does the /K4A00 option serve on the AAI141-H00/K4A00 module?
A: The /K4A00 option equips the module with an integrated ATK4A-00 KS cable interface adapter, facilitating multi-core KS cable connections to external termination blocks.
Q: Are the 16 analog input channels on the AAI141-H00/K4A00 individually isolated?
A: No, the AAI141 module features a non-isolated architecture where all 16 input channels share a common circuit ground reference.
Q: Does the AAI141-H00/K4A00 module support HART communications across all 16 channels?
A: Yes, the -H suffix indicates built-in HART digital communication support across all 16 analog input channels simultaneously.
Field Installation Guidelines
Ensure backplane power is isolated or verify online hot-swap safety procedures before inserting the module into an FIO node slot. Wear a grounded ESD wrist strap when handling the card. Align the module with rack guide rails and press firmly to seat the backplane connector, securing top and bottom retaining screws to establish frame ground continuity. Connect the multi-core KS cable to the ATK4A-00 adapter interface, locking physical latches to prevent signal disconnection. Connect field wiring shields to a single cabinet earth terminal bar to mitigate ground loop noise.
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.
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