Westinghouse NL-742 A/D Converter Module

Core Performance & Industrial Application

The Westinghouse NL-742 is an 8-channel analog-to-digital converter module of the Numa Logic series.

It collects analog process signals from field transmitters and converts them into digital signals for the main controller.

It supports standard analog input signals, with built-in signal filtering and overvoltage protection.

It is inserted into the Numa Logic rack and communicates with other rack boards through the internal backplane bus.

It is an obsolete legacy spare, widely used for maintenance replacement of old power plant and petrochemical DCS cabinets.

It can work stably under vibration and high temperature environment in traditional industrial sites.

Technical Specifications

▶ Product type: 8-channel A/D converter input module

▶ Brand: Westinghouse

▶ Model: NL-742

▶ Series: Numa Logic

▶ Channel quantity: 8 analog input channels

▶ Mounting: Rack slot installation

▶ Operating temperature: 0℃ ~ +60℃

▶ Protection rating: IP20 inside cabinet

▶ Feature: Analog signal sampling, surge protection, rack bus communication

▶ Country of origin: USA

▶ Compliance: CE certification

Industry Applications

Applied in thermal power plants, chemical plants for Westinghouse Numa Logic control system spare replacement.

Note: Confirm signal type, range and board revision before ordering