CENTUM CS/VP TC/RTD Input Module YOKOGAWA AAT145-S00

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YOKOGAWA AAT145-S00 TC/RTD Input Module Configured for multi-sensor data acquisition in CENTUM CS/VP and FA-M3 platforms, the YOKOGAWA AAT145-S00 (AAT145...

SKU: AAT145-S00

Manufacturer: Yokogawa
Product No.: AAT145-S00
Product Type: Analog Input Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 600g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA AAT145-S00 TC/RTD Input Module

Configured for multi-sensor data acquisition in CENTUM CS/VP and FA-M3 platforms, the YOKOGAWA AAT145-S00 (AAT145 Input Module) provides direct signal conditioning and isolation for 16 independent analog loops.

Hardware Specifications

Parameter	Specification
Model	AAT145-S00
Brand	YOKOGAWA
Origin	Japan
Weight	0.3 kg to 0.7 kg
Dimensions	32.8 mm x 130 mm x 127.2 mm
Operating Temp	Dependent on host system specs
Power Consumption	350 mA to 450 mA @ 5 VDC
Input Channels	16 (Isolated)
Data Update Period	1 s
Burn-out Detection	Configurable (60 s)

Signal Conditioning and Cold Junction Compensation

The AAT145-S00 facilitates high-precision measurement by integrating cold junction compensation (CJC) directly into the module architecture. For thermocouple inputs, the module automatically compensates for the temperature gradient at the terminal block, ensuring accurate conversion based on standard IEC 584/JIS C 1602 curves. The module accommodates 3-wire Pt100 RTD configurations, providing the necessary excitation and lead-wire resistance compensation.

Frequently Asked Questions

Q: Does the module support mixed signal types across the 16 channels?

A: Yes. The AAT145-S00 allows for individual channel configuration. Each of the 16 isolated channels can be independently programmed via the control system software to accept specific TC types, RTD inputs, or mV signals, provided the physical field wiring matches the software selection.

Q: How is burn-out detection implemented for the sensor inputs?

A: The module performs a continuous integrity check on the sensor loop. If a sensor open-circuit condition is detected, the module reports a burn-out status to the controller within a configurable detection time of 60 seconds, allowing for proactive fault identification without triggering nuisance alarms during transient noise.

Field Installation Guidelines

Isolation: The 16 channels are electrically isolated to prevent ground loops between different sensor locations. Ensure that the module is installed in a clean, dry environment to maintain the rated isolation voltage.
Cabling: Use shielded cables for all low-level mV and RTD signals. Terminate the shield at the cabinet entry point using a low-impedance connection to the system ground bus to prevent electromagnetic noise from affecting the measurement accuracy.
Terminal Integrity: When wiring 3-wire RTDs, ensure that the lead-wire resistance is balanced. Although the module performs compensation, significant resistance mismatch between the three wires can introduce systematic errors in the temperature reading.

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