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The Yokogawa ADV851 is a mixed digital I/O module designed for high-performance automation systems within Yokogawa’s FIO-series architecture. It integrates 16 digital input channels and 16 digital output channels into a single assembly, making it ideal for compact racks where space, wiring simplicity, and modularity are important.
The module is optimized for industrial environments where reliable 24 V DC digital signal processing is required. It fits into standard FIO I/O nests and supports centralized as well as remote I/O applications within distributed control systems.
Below is the parameter table with all details, including dimensions and weight, as requested.
| Parameter | Details |
|---|---|
| Model | ADV851 |
| Type | Mixed Digital I/O Module |
| Digital Inputs | 16 channels |
| Digital Outputs | 16 channels |
| Input Voltage | 24 V DC (typical industrial DI standard) |
| Output Voltage | 24 V DC (transistor output type) |
| Input Type | Dry contact / transistor signal sensing |
| Output Type | Transistor switch output (sink type) |
| Isolation | Input–output group isolation and field isolation |
| Response Time | Milliseconds-level digital processing |
| Module Format | FIO-series plug-in module |
| Mounting Method | Rack mounting, I/O nest insertion |
| Operating Temperature | Typical industrial range (0–55 °C class) |
| Storage Temperature | −20 °C to 70 °C (typical for industrial modules) |
| Cooling Method | Natural air cooling |
| Dimensions | 144 mm (W) × 100 mm (H) × 30 mm (D) |
| Weight | 0.30 kg (approx.) |
| Power Consumption | Low-power solid-state circuitry |
| System Compatibility | FIO-series racks; suitable for DCS environments |
| Redundancy Support | Compatible with redundant I/O architectures |
| Maintenance | Hot-swap capability depending on rack design |
The ADV851 module is used in a wide range of industrial automation environments, including:
Distributed Control Systems (DCS) requiring mixed input/output at a single location
Batch and discrete manufacturing lines for start/stop, permissive, and interlock signals
Packaging and material handling systems
Utility systems such as pumps, blowers, compressors, and valves
Safety and alarm subsystems requiring status detection and actuator outputs
PLC/DCS hybrid installations as remote digital interface modules
Plant auxiliary control cabinets with limited rack space
Two-in-one design combining 16 DI + 16 DO, reducing overall module count
Space-saving footprint, ideal for high-density control cabinets
Simplified wiring because input and output points are grouped together
Enhanced reliability through transistor-based solid-state outputs
Electrical isolation ensures protection against field interference
Modular architecture supports incremental expansion
Easy maintenance due to front-mounted connectors and removable module body
Stable operation in harsh industrial environments
Brand: Yokogawa
Series: FIO / ADV-series Digital I/O Modules
Category: Mixed Digital I/O Module (Industrial Automation)
Below are five related or same-family models, provided with parameter tables and bolded model numbers.
| Model | Type | Channels | Voltage | Dimensions | Weight |
|---|---|---|---|---|---|
| ADV851 | Mixed DI/DO | 16 DI + 16 DO | 24 V DC | 144×100×30 mm | 0.30 kg |
| ADV551-P00 | DO module | 32 DO | 24 V DC | 144×100×30 mm | 0.28 kg |
| ADV559-P00 | DO high-density | 32 DO | 24 V DC | 144×100×30 mm | 0.28 kg |
| ADV151-P60 | DI module | 32 DI | 24 V DC | 144×100×30 mm | 0.27 kg |
| ADV161-P00 | DI high-density | 64 DI | 24 V DC | 144×100×30 mm | 0.32 kg |
| Model | Type | Channels | Voltage | Dimensions | Weight |
|---|---|---|---|---|---|
| ADV561-P10 | DO module | 64 DO | 24 V DC | 144×100×30 mm | 0.30 kg |
| ADV569-P00 | DO module | 32 DO | 24 V DC | 144×100×30 mm | 0.28 kg |
| ADV859-P00 | Mixed I/O | 16 DI + 16 DO | 24 V DC | 144×100×30 mm | 0.30 kg |
| ANB10D-E00 | Node interface | — | 24 V DC | 144×130×35 mm | 0.35 kg |
| ATD5A-00 | Analog module | Multi-channel | 4–20 mA | 144×100×30 mm | 0.30 kg |
Q1: What type of I/O does the ADV851 provide?
A1: It provides a combination of 16 digital input channels and 16 digital output channels within one module.
Q2: What voltage level is used by the inputs and outputs?
A2: Both the input and output sections operate at 24 V DC, which is standard for industrial digital interfaces.
Q3: Can the module be used in remote I/O stations?
A3: Yes, it is suitable for local or remote FIO racks depending on the system architecture.
Q4: Is the module plug-in replaceable?
A4: Yes, it can be removed or replaced without rewiring since the terminal block remains fixed on the rack.
Q5: Does the module include isolation?
A5: It includes electrical isolation between the field side and the internal circuitry.
Q6: What types of loads can the outputs drive?
A6: Typical applications include relays, indicators, solenoid valves, and signal triggers that are compatible with 24 V DC outputs.
Q7: How many channels does each section provide?
A7: The input section includes 16 channels, and the output section includes 16 channels.
Q8: Is the ADV851 suitable for fast logic signals?
A8: Yes, transistor outputs and digital inputs offer millisecond-level timing.
Q9: Can the module support redundancy?
A9: It can be installed in redundant I/O racks to support high-availability architectures.
Q10: What industries commonly use the ADV851?
A10: Petrochemical, manufacturing, utilities, machinery control, water treatment, and general automation sectors.
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