The Yokogawa ADV551 is a digital input module used in industrial automation systems.

It receives digital signals from field devices like sensors and switches and transmits that information to a control system. Here’s a breakdown of its key functionalities:

• Function: Reads digital on/off signals from various devices and transmits this data to a control system.
• Digital Input: Accepts digital signals, typically voltage levels representing on (high) and off (low) states.
• Number of Channels: The ADV551 has 32 digital input channels. This means it can monitor the status of 32 separate devices simultaneously.