Yokogawa ADV157 Digital Input Module

Overview

The Yokogawa ADV157 is a high-performance digital input module designed for CENTUM VP and ProSafe-RS systems. This module effectively handles 24 V DC ON/OFF signals from various field devices, such as switches, relays, and sensors. With 32 input channels, the ADV157 offers flexibility for a wide range of industrial automation applications. Its robust isolation ensures reliable operation in demanding environments, providing enhanced safety. Additionally, its fast response times and precise signal acquisition contribute to improved process control and efficiency. The ADV157 is specifically designed for high-reliability industrial environments that require accurate digital input handling.

Technical Specifications

Below are the detailed technical specifications for the Yokogawa ADV157:

Specification	Details
Model Number	ADV157
Module Type	Digital Input Module
Number of Input Channels	32
Rated Input Voltage	24 V DC (sink/source type)
Input ON Voltage	18 to 26.4 V DC
Input OFF Voltage	5.0 V DC or less
Input Current	4.1 mA ±20% per channel
Maximum Allowable Voltage	30 V DC
Withstanding Voltage	2 kV AC (between input and system); 500 V AC (between commons per 16 channels)
Input Response Time	8 ms (status input)
Minimum ON Detection Time	20 ms (for pushbutton input)
Max ON/OFF Cycle Frequency	25 Hz (for pushbutton input)
Current Consumption	Max. 350 mA @ 5 V DC
External Connection	Pressure clamp terminal
Weight	0.4 kg

Key Features & Benefits

Reliable Signal Processing: The ADV157 features 32 channels, allowing for versatile input handling. It processes ON/OFF signals quickly and accurately, ensuring optimal performance in industrial automation systems.
Fast Response Times: With a response time of just 8 ms for status inputs, the module is ideal for time-sensitive applications.
High Withstanding Voltage: This module can withstand 2 kV AC between input and system, as well as 500 V AC between commons, ensuring durability in demanding industrial environments.
Energy-Efficient: The ADV157 operates with a maximum current consumption of just 350 mA at 5 V DC, making it energy-efficient and suitable for various industrial applications.
Durability and Safety: The isolation provided by the module guarantees safe operation, even in harsh environments. This enhances reliability, making it a perfect fit for high-reliability industrial systems.

The Yokogawa ADV157 is an essential component for ensuring efficient, safe, and reliable digital input processing in industrial environments that require high levels of performance and precision.