YOKOGAWA ADV551 Digital Output Module 32 Channel 24VDC

The Yokogawa ADV551 is a 32-channel digital output module for the Yokogawa CENTUM VP / CS3000 control systems, part of the FIO (Field I/O) module family. It provides 32 transistor (sink-type) outputs rated 24 V DC for driving solenoid valves, relays, indicator lamps, and contactors in process control applications. With grouped isolation and a wide external supply range, it is a standard spare part for installed Yokogawa DCS plants.

🔨Key Specifications

• Manufacturer: Yokogawa Electric Corporation
• Model / Part Number:ADV551
• Product Family: CENTUM VP / CS3000 FIO Digital Output Module
• Product Type: Digital Output Module
• Number of Channels: 32 (isolated in groups of 16)
• Output Type: Transistor contact (sink type)
• Rated Applied Voltage: 24 V DC
• Load Voltage: 24 V DC, 50 mA per channel
• External Power Supply Range: 20.4 to 26.4 V DC
• Output ON Voltage (max): 2 V DC
• Isolation: Grouped isolation (per 16 channels)
• Mounting: FIO node / I/O nest in CENTUM system

• 32-Channel Sink Outputs: Drives 24 V DC field loads with transistor sink switching for reliable process actuation.
• Standard FIO Module: Drop-in replacement in CENTUM VP / CS3000 FIO nests; configured within the Yokogawa engineering environment.
• Grouped Isolation: 16-channel isolation groups protect against field-side fault propagation.
• Wide Field Supply Range: Accepts 20.4–26.4 V DC external supply for flexible plant power schemes.

• Solenoid and valve actuator control
• Relay and contactor drive circuits
• Indicator lamp and annunciator outputs
• On/off control of motors and process equipment in CENTUM plants

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