AAT141-S00 YOKOGAWA CENTUM Datasheet & Technical Manual

Analog Input Module CENTUM TC/mV YOKOGAWA AAT141-S00

Analog Input Module CENTUM TC/mV YOKOGAWA AAT141-S00

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YOKOGAWA AAT141-S00 TC/mV Input Module Configured for high-density temperature and low-voltage signal acquisition in CENTUM platforms, the YOKOGAWA AAT141-S00 (AAT141-S00...

SKU: AAT141-S00 S2

Manufacturer: Yokogawa
Product No.: AAT141-S00 S2
Product Type: Analog Input Modules
Product Origin: Japan
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

YOKOGAWA AAT141-S00 TC/mV Input Module

Configured for high-density temperature and low-voltage signal acquisition in CENTUM platforms, the YOKOGAWA AAT141-S00 (AAT141-S00 Input Module) provides direct electrical conversion of thermocouple and millivolt sensor inputs for industrial monitoring.

Hardware Specifications

Parameter	Specification
Model	AAT141-S00
Brand	YOKOGAWA
Origin	Japan
Weight	0.3 kg
Dimensions	3.3 cm x 10.7 cm x 13 cm
Operating Temp	-10 deg C to +55 deg C
Power Consumption	400 mA @ 5 VDC
Input Channels	16 (Non-isolated)
Supported Signals	Thermocouples (J, K, T, E, R, S, B, N), mV
Accuracy	+/- 40 uV (typical)

Process Control and Cold Junction Compensation

The AAT141-S00 integrates precise cold junction compensation (CJC) circuitry to ensure measurement accuracy for various thermocouple types across its 16 channels. When configuring this module, technicians must account for the non-isolated channel architecture; external signal conditioning or isolation may be necessary in environments with high common-mode noise or distributed ground potentials. The module utilizes a 1-second data update cycle to provide stable readings for temperature-critical control loops.

Frequently Asked Questions

Q: Can the AAT141-S00 be used in an environment where individual channel isolation is required?

A: No. The AAT141-S00 features non-isolated input channels sharing a common ground reference. If galvanic isolation between channels is required, external signal isolators must be installed between the field devices and the module input terminals.

Q: How should burn-out detection be managed for thermocouple inputs?

A: Burn-out detection is configurable via the control system software. Users may select upscale or downscale detection to monitor for sensor open-circuit conditions, which helps differentiate between legitimate process fluctuations and actual thermocouple breakage.

Field Installation Guidelines

Wiring: Use thermocouple extension-grade wire consistent with the sensor type (e.g., Type K wire for Type K sensors) to minimize unwanted EMF at terminal junctions. Shielded cabling is recommended to reduce EMI.
Grounding: Since channels are non-isolated, ensure all sensors share a common reference ground point to prevent circulating ground currents that degrade measurement accuracy. Connect cable shields to a dedicated, low-impedance ground bus.
Terminal Integrity: Tighten all terminal screws to the specified torque to prevent contact resistance variations, which can introduce errors in low-level millivolt signals.

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