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AAV142-S50 Analog Input Module YOKOGAWA

AAV142-S50 Analog Input Module YOKOGAWA

Configured for high-density signal acquisition in distributed control system (DCS) platforms, the YOKOGAWA AAV142-S50 (AAV142 Analog Input Module) provides direct physical signal conversion for CENTUM VP and CENTUM CS 3000...

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Availability: Low stock: 99 left

SKU: AAV142-S50
Vendor: Yokogawa
Category: Analog Input Module
Related Series:

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Configured for high-density signal acquisition in distributed control system (DCS) platforms, the YOKOGAWA AAV142-S50 (AAV142 Analog Input Module) provides direct physical signal conversion for CENTUM VP and CENTUM CS 3000 networks.

Hardware Specifications

Parameter Specification
Model AAV142-S50
Brand YOKOGAWA
Origin N/A
Weight 0.3 kg
Dimensions 230 x 110 x 30 mm
Operating Temp N/A
Power Consumption N/A
Channels 16 non-isolated
Input Range -10 to +10 VDC
Input Resistance (ON) >= 1 MΩ
Input Resistance (OFF) >= 500 kΩ

DCS Process Control and Signal Integrity

The YOKOGAWA AAV142-S50 architecture facilitates high-speed data acquisition for process variables requiring standard voltage monitoring. As a non-isolated module, it is optimized for high-impedance measurement circuits, ensuring minimal loading effect on the signal source. The module enables precise digitization of process values, maintaining signal fidelity across the backplane bus to the host controller. The design allows for streamlined integration into existing CENTUM series racks, utilizing standardized backplane communication protocols to ensure deterministic data throughput.

Frequently Asked Questions

Q: Does the AAV142-S50 support channel-to-channel isolation for field sensors?

A: No, the AAV142-S50 is a non-isolated module. Field devices connected to this module must share a common reference ground to prevent potential differences that could affect measurement accuracy.

Q: What is the maximum allowable voltage before damage occurs to the input circuit?

A: The module is rated for an allowable input voltage of +/-13 VDC. Exceeding this threshold may result in permanent damage to the input signal conditioning components.

Field Installation Guidelines

  • Ensure the module is seated fully into the designated backplane slot to establish secure communication contact; use the integrated locking mechanism to prevent vibration-induced disconnection.
  • Route all field input wiring away from high-voltage AC cables and frequency drives to minimize inductive noise injection into the non-isolated measurement circuits.
  • Verify that the reference ground potential is consistent across all connected field devices to maintain signal linearity and prevent ground loops.
  • Inspect the backplane connector pins for oxidation or particulate contamination before installation to ensure reliable electrical connectivity.