Product Description

The AAI143-S50/A4800 is a high-density analog input module for the Yokogawa CENTUM VP distributed control system. It supports 16 channels of 4–20 mA signals, providing efficient analog-to-digital conversion from multiple field transmitters. The module’s non-isolated (common ground) architecture allows for a high channel-to-slot ratio, maximizing I/O density in control cabinets.

This variant includes the A4800 interface option, which specifies a specialized adapter or terminal arrangement for professional cabinet integration. As an S50 standard analog module, it is optimized for signal stability and reliability in environments where HART communication is not required.

Technical Specifications

Application

The AAI143-S50/A4800 is ideal for high-density analog monitoring in large-scale process facilities, including:

• LNG terminals and petrochemical plants

• Pulp and paper mills

• Pharmaceutical and fine chemical manufacturing

It is optimized for non-isolated sensors such as pressure transmitters and flow meters, providing cost-effective, high-volume signal aggregation.

Frequently Asked Questions

Can this module be used in redundant setups?
Yes. When installed on a redundancy-capable baseplate, it supports dual-redundant operation, ensuring uninterrupted signal acquisition during a module failure.

Does the AAI143-S50/A4800 support HART diagnostics?
No. The S50 designation indicates this is a standard analog module. For HART communication, consider the H50 or H53 series.