The Yokogawa PW442-11 S2 is an industrial-grade power supply module used in Yokogawa CENTUM / Vnet / FCN-based distributed control systems (DCS/PLC hybrid architectures).
It is designed to deliver stable DC power for controller backplanes, CPU units, communication modules, and I/O subsystems, ensuring continuous and reliable operation of automation systems. The “S2” suffix indicates a design revision or upgraded hardware version, commonly used in later production batches for improved stability and compatibility.
This module is widely applied in oil & gas, petrochemical, power generation, and large-scale process control systems, where uninterrupted power is critical for plant safety and uptime.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | PW442-11 S2 |
| Product Type | Power Supply Module |
| Input Voltage | 220–240 V AC |
| Input Frequency | 50/60 Hz |
| Input Current | ~0.7 A |
| Output Voltage | 5.1 V DC / 24 V DC |
| Output Current | 7.8 A (5.1 V) / 4 A (24 V) |
| Power Architecture | Dual-output industrial DC supply |
| System Compatibility | CENTUM / Vnet / FCN / PLC systems |
The PW442 series is used as a core system power unit in Yokogawa control architectures, supplying regulated DC power to multiple control layers.
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | Approx. 120 × 60 × 140 mm |
| Weight | Approx. 0.35 – 5.36 kg (varies by configuration and system assembly) |
| Mounting Type | Rack-mounted control system power slot |
| Cooling Method | Natural convection (fanless design) |
| Construction | Industrial power electronics module |
Recommended Related Models
- Yokogawa PW441-11 S2 – alternative AC input version
- Yokogawa PW484 series – older DCS power modules
- Yokogawa CP471 – controller processor module
- Yokogawa NFCP100 – communication processor module
- Yokogawa ADV551 – I/O module
Popular Yokogawa Models
- Yokogawa PW442-11 S2 – AC/DC power supply module
- Yokogawa CP471 – controller CPU module
- Yokogawa ALF111 – fieldbus communication module
- Yokogawa ADV161 – digital input module
- Yokogawa CENTUM VP – distributed control system platform
