Overview
The Yokogawa PW481-50 Power Supply Module delivers stable and efficient power for control systems within CENTUM VP and ProSafe-RS architectures. Designed for reliability and precision, this module ensures continuous operation of controllers, I/O modules, and network interfaces in critical industrial environments. Moreover, its robust design and advanced regulation circuits guarantee steady voltage output even under fluctuating load conditions.
Engineered for long-term dependability, the PW481-50 minimizes system downtime while maintaining consistent performance in demanding process automation applications. In addition, its modular form allows easy integration, replacement, and maintenance, which makes it ideal for both new installations and system upgrades.
Technical Specifications
| Parameter |
Specification |
| Model |
PW481-50 |
| Function |
Power Supply Module |
| Output Voltage |
24 VDC |
| Output Current |
5 A nominal |
| Input Voltage |
100–240 VAC, 50/60 Hz |
| Efficiency |
>85% |
| Ripple Voltage |
Less than 50 mVp-p |
| Protection |
Overcurrent, overvoltage, overtemperature |
| Indicators |
Power ON, Fault |
| Cooling Method |
Natural convection |
| Operating Temperature |
0 to 50°C |
| Storage Temperature |
–20 to 70°C |
| Humidity Range |
5–95% RH (non-condensing) |
| Dimensions |
Approx. 130 × 110 × 30 mm |
| Mounting Type |
DIN rail or cabinet mounting |
| Weight |
Approx. 0.5 kg |
| Compliance |
CE, RoHS, UL certified |
FAQ
Q1: What systems is the PW481-50 compatible with?
A1: It is fully compatible with CENTUM VP and ProSafe-RS control systems.
Q2: Does the module support redundant configurations?
A2: Yes, it supports dual power configurations for improved system reliability.
Q3: What are the built-in protection features?
A3: The PW481-50 includes overcurrent, overvoltage, and overtemperature protection.
Q4: Can it operate in high-temperature environments?
A4: Yes, it performs reliably within a 0–50°C operating range.
Q5: How is system health monitored?
A5: The module provides LED indicators for power and fault status monitoring.
