Robust High-Integrity Relay Output Solution for Industrial Control Systems
The Yokogawa NFDR541-P50 Relay Module is a high-reliability 16-channel relay output module designed for distributed control systems (DCS) within Yokogawa CENTUM and STARDOM architectures. It provides secure electrical isolation and dependable switching performance for controlling field devices such as motors, solenoid valves, alarms, and interlocks.
Built for continuous industrial operation, this module is optimized for environments that demand stable load switching, long service life, and strong system integration.
Technical Specifications
| Parameter | Details |
|---|
| Model | NFDR541-P50 |
| Product Type | Relay Output Module |
| Output Channels | 16 independent relay outputs |
| Contact Type | Electromechanical (dry contact) |
| Rated Voltage | 24 V DC / up to 110 V DC / 100–240 V AC (system dependent) |
| Switching Capacity | Up to 2 A per channel (resistive load) |
| Isolation Voltage | Up to 2000 V AC between system and field |
| Channel Grouping | Common every 8 channels |
| Response Time | ≤ 12 ms typical |
| Power Consumption | Approx. 780 mA @ 5 V DC |
| Module Weight | Approx. 0.3 kg |
| Installation | Rack-mounted modular I/O system |
| System Compatibility | Yokogawa CENTUM VP / CS / STARDOM |
Application Areas
The NFDR541-P50 is widely used in industrial automation systems requiring reliable and electrically isolated switching:
-
Oil & gas production and refining systems
-
Petrochemical and chemical process plants
-
Power generation and distribution systems
-
Water and wastewater treatment facilities
-
Industrial machinery control systems
-
Alarm, interlock, and safety shutdown systems
It is particularly suitable for applications where both AC and DC loads must be safely controlled from low-power logic signals.
Key Advantages
The NFDR541-P50 delivers strong electrical isolation, flexible load compatibility, and long operational durability, making it a dependable choice for critical automation systems. Its 16-channel design supports efficient space utilization while maintaining high switching reliability.
Each channel is electrically isolated, reducing interference and improving system safety. The module’s rugged relay construction ensures stable performance even under frequent switching cycles in demanding industrial environments.
Its compatibility with Yokogawa control platforms allows seamless integration into existing DCS architectures, supporting both expansion and modernization projects.
Technical FAQs
1. What is the main function of this module?
It provides isolated relay outputs for switching industrial field devices.
2. How many output channels does it support?
It supports 16 relay output channels.
3. What types of loads can it control?
It can switch AC and DC loads such as motors, valves, and alarms.
4. Is electrical isolation included?
Yes, it provides up to 2000 V AC isolation between system and field.
5. What systems is it compatible with?
Yokogawa CENTUM VP, CS, and STARDOM systems.
6. What is the switching capacity per channel?
Up to 2 A per channel for resistive loads.
7. Is it suitable for safety systems?
Yes, it is commonly used in interlock and shutdown applications.
8. What industries use it most?
Oil & gas, chemical, power generation, and utilities.
9. What is its key advantage?
Reliable isolated switching with strong industrial durability.
10. What does “P50” indicate?
It denotes a specific hardware configuration/revision within the NFDR541 series.
A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
