
Product Overview
The Yokogawa ADV561-P50 S2 Digital Output Module is a 64-channel high-density discrete output module used in Yokogawa CENTUM Distributed Control Systems (DCS). It is designed to output ON/OFF control signals from the controller to field devices such as relays, solenoids, valves, and indicator lamps.
The S2 version is a revised configuration of the ADV561-P50 series, typically used to improve system compatibility, lifecycle stability, and industrial reliability in large-scale automation environments.
Technical Specifications
| Parameter |
Details |
| Manufacturer |
Yokogawa |
| Model |
ADV561-P50 S2 |
| Product Type |
Digital Output Module |
| Function |
Discrete signal (ON/OFF) output |
| System Compatibility |
CENTUM VP / CENTUM CS 3000 |
| Output Channels |
64 channels |
| Output Type |
Transistor (current sink) |
| Signal Type |
ON/OFF (binary output) |
| Rated Output Voltage |
24 V DC |
| External Power Supply |
20.4 to 26.4 V DC |
| Output Current |
Approx. 100 mA per channel |
| Response Time |
≤ 3 ms |
| Isolation |
Channel-to-system isolation |
| Protection |
Overcurrent and short-circuit protection |
| Power Supply |
5 V DC (via backplane) |
| Mounting Type |
Rack-mounted / FIO system base |
| Dimensions (H × W × D) |
130 × 119.9 × 32.8 mm |
| Weight |
0.3 kg |
Function and Working Principle
The ADV561-P50 S2 operates as a digital output interface module, converting control commands into electrical ON/OFF switching signals.
Its operation includes:
- Receiving output commands from the DCS controller
- Converting digital logic into transistor switching outputs
- Driving field devices such as relays, solenoids, and lamps
- Ensuring fast response for real-time control execution
- Providing electrical isolation between system and field side
- Supporting high-density output for large-scale systems
This enables efficient execution of industrial automation control signals.
Role in Industrial Control Systems
Within Yokogawa CENTUM architecture, the ADV561-P50 S2 serves as a high-capacity output module, responsible for:
- Executing automation control signals
- Driving large numbers of field actuators
- Supporting interlock and alarm logic
- Enabling complex process sequencing
- Reducing cabinet space through high channel density
It is used in the output execution layer of distributed control systems (DCS) for large industrial plants.
Industrial Applications
The ADV561-P50 S2 is widely used in:
- Oil and gas production and refining
- Petrochemical and chemical processing
- Power generation systems
- Water and wastewater treatment
- Large-scale industrial automation systems
- Process control environments
It is suitable for high I/O density applications requiring reliable digital switching.
Installation and System Integration
For proper operation, the module should be:
- Installed in Yokogawa CENTUM / FIO system racks
- Connected using 24 V DC field wiring
- Properly grounded to reduce electrical interference
- Configured via engineering tools
- Integrated into redundant or distributed architectures when required
Correct installation ensures stable long-term performance and reliability.
Compatible System Components
The ADV561-P50 S2 works with:
- Yokogawa CENTUM controllers
- Field Control Stations (FCS)
- Human Interface Stations (HIS)
- Relays, solenoids, valves, and indicator devices
- Alarm and interlock systems
These components form a complete industrial automation ecosystem.
Recommended Alternative Models
| Model |
Type |
Key Feature |
Application |
| Yokogawa ADV561-P00 S2 |
Digital Output Module |
Standard 64-channel version |
General large systems |
| Yokogawa ADV551-P60 series |
Digital Output Module |
32-channel enhanced control |
Medium-scale systems |
| Yokogawa ADV551-P50 series |
Digital Output Module |
Flexible configuration |
General automation |
| Yokogawa ADV561-P01 |
Digital Output Module |
64-channel variant |
High-density control |
| Yokogawa ADV551-DO32 |
Digital Output Module |
Basic configuration |
Standard applications |
Key Advantages
- 64-channel ultra-high-density output capability
- Reduced cabinet space requirement
- Stable transistor switching performance
- Fast response time (≤ 3 ms)
- Strong electrical isolation for system safety
- Reliable continuous operation in industrial environments
- Seamless integration with Yokogawa DCS systems
Technical FAQs
Q1: What is the function of ADV561-P50 S2?
It outputs ON/OFF control signals from the system to field devices.
Q2: How many channels does it support?
It supports 64 digital output channels.
Q3: What does S2 mean?
It indicates a revised version with updated configuration and improved system stability.
Q4: What type of output does it use?
It uses transistor-based current sink output.
Q5: Where is it commonly used?
It is widely used in large-scale industrial automation systems requiring high-density output control.
Conclusion
The Yokogawa ADV561-P50 S2 Digital Output Module is a high-density and reliable automation output solution designed for large industrial control systems. With 64-channel capacity, stable switching performance, and compact structure, it ensures efficient and accurate execution of control signals in distributed automation environments.