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The Yokogawa PW602 Power Supply Module is a high-reliability industrial power unit designed to deliver regulated 24 V DC output for Yokogawa distributed control systems and field I/O infrastructures. As a key component in Yokogawa automation platforms, the PW602 provides stable electrical power to controllers, communication interfaces, and I/O modules that require consistent voltage to maintain continuous plant operation.

In complex process automation environments, power stability directly affects system availability and operational safety. The PW602 is engineered with industrial-grade voltage regulation and protective circuitry to ensure reliable power delivery even under fluctuating supply conditions. Its robust architecture allows the module to operate continuously in critical industrial sectors such as energy production, petrochemical processing, and large-scale manufacturing.

The module also supports redundant power configurations, allowing automation engineers to design systems with higher reliability and fault tolerance. This ensures that control systems remain operational even in the event of power disturbances, making the PW602 a trusted solution for mission-critical control environments.

Technical Specifications

Parameter	Specification
Manufacturer	Yokogawa
Model	PW602
Module Type	Power Supply Module
Input Voltage	220–240 V AC
Frequency	50/60 Hz
Output Voltage	24 V DC ±5%
Output Current	Up to 6 A (combined outputs)
Input Power	Approx. 220 VA
Protection	Overload and short-circuit protection
Status Indicator	READY LED indicator
Contact Output	NC/C contact output for abnormal status
Output Holdup Time	20 ms
Operating Temperature	0°C to 55°C
Storage Temperature	−20°C to 70°C
Dimensions (L × W × H)	203 × 51 × 152 mm
Weight	6 kg

The PW602 converts AC input power into stable 24-volt DC output, ensuring reliable power distribution to controllers and field modules within Yokogawa automation systems.

Recommended Related Models

Model	Module Type	Description
PW601	Power Supply Module	Similar module with different AC input range
PW501	Power Supply Module	Compact power module for Yokogawa control systems
PW482	Power Supply Module	High-capacity AC power supply for automation systems
PW484	Power Supply Module	DC input power module used in redundant architectures
ANT10U	Optical Bus Repeater	Communication repeater used in Yokogawa control networks

Popular Yokogawa Models

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ALE111	Ethernet Communication Module
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ANB10D	Node Interface Unit

Applications

The PW602 power supply module is widely used in industrial control infrastructures where reliable and continuous power delivery is required.

Typical application scenarios include:

Distributed Control Systems (DCS)
Oil and gas processing facilities
Petrochemical and chemical plants
Power generation and energy plants
Industrial manufacturing automation
Water treatment and environmental control systems
Large-scale process monitoring networks

By delivering stable 24 V DC power to controllers and field devices, the PW602 helps maintain reliable communication, accurate signal processing, and uninterrupted plant operation.

Advantages

High-Reliability Power Output
Provides stable 24 V DC power required by industrial control systems and field devices.

Designed for Continuous Industrial Operation
Built for long-term use in demanding process environments where system uptime is critical.

Support for Redundant System Design
Compatible with redundant power architectures to enhance automation system reliability.

Integrated Status Monitoring
READY LED indicators and contact outputs allow quick diagnostics and maintenance.

Robust Industrial Construction
Designed to operate reliably in harsh environments such as oil, chemical, and energy plants.

Seamless Integration with Yokogawa Platforms
Optimized for use with Yokogawa DCS and field I/O architectures.

Technical FAQs

1. What is the main function of the PW602 module?
It converts AC input power into regulated 24 V DC output for Yokogawa automation system components.

2. What input voltage does the PW602 support?
The module typically operates with 220–240 V AC input power.

3. What is the output voltage of the PW602?
The module provides 24 V DC regulated output for control system modules.

4. What is the maximum output current?
The PW602 can supply up to 6 A of output current depending on system load.

5. What indicator shows normal operation?
A green READY LED indicates that the module is operating normally.

6. Does the module support alarm contacts?
Yes, it includes NC/C contact outputs that signal abnormal power conditions.

7. What is the holdup time during power interruption?
The module provides an output holdup time of approximately 20 ms.

8. What industries typically use the PW602?
Common industries include energy, petrochemical processing, manufacturing automation, and utilities.

9. Can the module be used in redundant configurations?
Yes, many Yokogawa systems allow redundant power supply modules for increased reliability.

10. Why is a dedicated power module important in control systems?
Stable power ensures reliable communication, accurate process control, and continuous plant operation.

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