AAI141-H00/K4A00 YOKOGAWA Analog Input Module

AAI141-H00/K4A00 YOKOGAWA CENTUM Analog Input Module

AAI141-H00/K4A00 YOKOGAWA CENTUM Analog Input Module

Availability: 10 left in stock

YOKOGAWA AAI141-H00/K4A00 CENTUM Analog Input Module Configured for Specific Technical Task in CENTUM VP / CS 3000 Field Control Stations,...

SKU: AAI141-H00/K4A00

Manufacturer: Yokogawa
Product No.: AAI141-H00/K4A00
Product Type: Analog Input Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 800g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA AAI141-H00/K4A00 CENTUM Analog Input Module

Configured for Specific Technical Task in CENTUM VP / CS 3000 Field Control Stations, the YOKOGAWA AAI141-H00/K4A00 (AAI141 Analog Input Module) provides direct physical/electrical execution.

Suffix Breakdown & Model Matrix

Code	Type	Description
AAI141	Base Model	Analog Input Module (4 to 20 mA, 16-channel, Non-Isolated)
-H	Suffix Code	With digital communication (HART protocol)
0	Suffix Code	Always 0
0	Suffix Code	Basic type
/K4A00	Option Code	With KS Cable Interface Adapter [Model: ATK4A-00]

Hardware Specifications

Parameter	Specification
Model	AAI141-H00/K4A00
Brand	Yokogawa
Origin	Japan
Weight	3.0 kg (Shipping Weight) / 0.8 kg (Net Weight)
Dimensions	260 x 180 x 60 mm
Operating Temp	-10 deg C to +60 deg C
Power Consumption	24 VDC nominal
Input Range	4-20 mA DC (0-25 mA permissible) with HART digital overlay
Channels	16
Resolution	16-bit A/D conversion
Accuracy	+/-0.1% of full scale
Input Impedance	250 Ohm (current input)
Isolation	Galvanic isolation per channel
Diagnostics	Open-circuit, short-circuit, and HART communication error detection
Mounting	Rack-mounted

HART Loop Protocol Integration

To establish digital interaction with smart field devices, the module utilizes the 4-20 mA HART loop protocol. It retrieves auxiliary process variables and calibration data by modulating high-frequency digital signals directly onto the analog loop without affecting the primary variable measurement. This digital overlay enables real-time instrument diagnostics and loop monitoring inside the CENTUM control network. Internal filter circuitry suppresses potential line noise to prevent attenuation of the frequency-shift keying (FSK) digital transmission.

Frequently Asked Questions

Q: Does the module support online maintenance inside the Field Control Station rack?

A: Yes, the module supports hot-swapping under powered conditions. An operator can replace a faulty module without disrupting the power supply or communication buses of neighboring modules in the same rack.

Q: What is the purpose of the /K4A00 option code included with this hardware assembly?

A: The /K4A00 option configures the module with the ATK4A-00 KS Cable Interface Adapter. This adapter allows direct plug-and-play terminal connections to field wiring termination blocks using standard system cables.

Q: How does the module indicate channel fault conditions to the host system?

A: The module runs continuous background diagnostics. If loop current drops below 3.6 mA, itflags an open-circuit fault, marks the specific channel data status as invalid, and issues an alarm to the operator station.

Field Installation Guidelines

Shield Grounding: Connect instrument cable shields to a dedicated, single-point instrument ground bar. Never ground the shield at both the field device and the cabinet to avoid induced ground loop currents.
Cable Routing: Maintain physical separation between the low-voltage analog input signal lines and high-voltage AC power distribution lines inside the cable trays to prevent electromagnetic noise induction.
HART Impedance Compatibility: Ensure the total loop impedance, including the 250 Ohm internal input impedance, is at least 250 Ohm to maintain reliable HART communication amplitude.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.