Product Introduction

The ADV157‑S00 is a 32‑channel digital input module in the Yokogawa field I/O family. It is designed to receive 24 V DC discrete ON/OFF signals from field devices (such as limit switches, push‑buttons, relay contacts or proximity sensors) and deliver those signals reliably to a control or automation system.

This module variant, designated “S00”, is the standard type without explosion‑proof features and uses the basic terminal connection (pressure‑clamp). It is intended for industrial automation, DCS (distributed control systems), remote I/O racks and field interface nodes that require high‑density discrete input acquisition with long‑term reliability.

The module supports 32 input channels, standard 24 V DC discrete signalling, robust electrical isolation, and a compact footprint. It offers a good balance of performance, wiring simplicity and reliability for many applications in manufacturing, process control, utilities and automation.

Technical Specifications

Applications

• In distributed control systems (DCS) and remote I/O racks: the ADV157‑S00 module receives discrete field signals (push‑buttons, relay contacts, limit switches, float sensors, etc.) and passes them reliably into the controller logic for monitoring, alarms and interlocks.

• In manufacturing automation: it monitors operator panel buttons, machine status sensors, conveyor run/stop inputs, safety interlocks and other discrete digital inputs, enabling high‑channel count input acquisition in compact form.

• In utilities and process industries (such as chemical/petrochemical, water/wastewater, oil & gas, power generation): the module offers dense input point capture with reliable isolation and wire‑integration in wiring‑limited cabinets or I/O nodes.

• In retrofit and expansion projects: where many new discrete input points must be added but panel space and wiring complexity are limited, this module provides a cost‑effective solution with standard 24 V discrete interface and established field wiring practices.

• In any industrial automation environment that uses 24 V DC discrete inputs and demands reliable signal processing with minimal maintenance and wiring overhead.

Advantages

1. High channel density – With 32 discrete input channels in one module slot, the ADV157‑S00 helps reduce the number of I/O modules, conserve cabinet space, and lower wiring complexity.

2. Reliable signal acquisition – With ≤ 8 ms response time and standard discrete interface, it ensures timely and consistent capture of ON/OFF field signals.

3. Strong isolation and immunity – Withstanding voltages of 2 kV AC (input ↔ system) and 500 V AC (common groups ↔ system) provide protection against electrical noise, ground loops and harsh environments.

4. Standardised 24 V DC interface – Compatible with widely‑used industrial switches, relays and sensors, simplifying integration and eliminating special signal conditioning.

5. Compact and lightweight – Approximately 0.30 kg and modest dimensions make handling, installation and replacement easier in dense I/O racks or tight cabinets.

6. Minimal wiring complexity – Uses pressure‑clamp terminals and standard wiring practices, reducing field wiring time and error risk.

7. Scalable and future‑proof – Suitable for system expansions, new installations, or retrofits where discrete input density is required without major redesign.

8. Brand‑trusted platform – As part of the Yokogawa digital I/O ecosystem, it benefits from long service life, system compatibility and support infrastructure.

Brand & Series

• Brand: Yokogawa

• Series: ADV157 Digital Input Module Series

• Category: 24 V DC isolated digital input modules (32‑channel high‑density type)

• Positioning: This module is part of Yokogawa’s family of field I/O modules for DCS and automation systems. It sits alongside modules such as the ADV151 and ADV161 series. The ADV157 offers 32 channels and the standard discrete input capability.

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