PLCs, Power Supplies & Others

24V DC Field Power Supply for CENTUM VP and CS3000 I/O Systems

The PW602 serves as a dedicated field power supply unit within Yokogawa’s CENTUM distributed control platforms. Engineers deploy this module to energize 4–20mA transmitters, signal conditioners, and field instruments across process plants. Consequently, the unit delivers stable 24V DC power for continuous measurement and control operations.

Technical Specifications

Power Conversion and Output

The PW602 converts wide-range AC input into a regulated 24V DC rail for field instrumentation. Its 20-amp output capacity supports larger transmitter loops and signal conditioning racks. Therefore, engineers can distribute clean power across multiple I/O cabinets without additional boosters.

Protection and Diagnostics

Onboard circuits guard against overcurrent, overvoltage, and short-circuit events on the output rail. Ripple and noise stay below 150 millivolts peak-to-peak for accurate analog signal transmission. Additionally, front-panel LED indicators display output health and internal regulation status.

Redundancy and Integration

Dual-redundant configurations allow two identical units to share the load for fault tolerance. If one module fails, the backup assumes full capacity without process interruption. This design suits critical applications in oil and gas, petrochemical, and power generation facilities.

Details