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
🔨Key Features
- 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.
🔨Typical Applications
- 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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