Overview
Configured for AC power conversion in Yokogawa process control equipment, the Yokogawa NFPW442-10 (NFPW442 Power Supply Module) provides direct electrical power supply operation. This basic-type module accepts a 220-240 V AC input, has no explosion protection, and includes the ISA Standard G3 option. The NFPW442-10 is specified for industrial control hardware requiring a dedicated AC input power supply module.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | NFPW442-10 |
| Base Model | NFPW442 |
| Product Type | Power Supply Module |
| Brand | Yokogawa |
| Input Voltage | 220-240 V AC |
| Protection Type | Standard type with no explosion protection |
| Type | Basic type |
| Environmental Option | ISA Standard G3 option |
| Origin | Japan |
| Manufacturer | Yokogawa |
| Weight | 0.2 kg |
| Dimensions | 6 x 25.8 x 24.3 cm |
Process Control Power Supply Characteristics
The NFPW442-10 supports the power infrastructure of Yokogawa process control hardware. Unlike an I/O interface module, this unit does not directly process a 4-20 mA HART loop protocol or provide FOUNDATION Fieldbus / Profibus PA connectivity. Instead, it performs the electrical power supply function required by the associated system hardware.
Furthermore, the 220-240 V AC input configuration requires correct separation between AC power wiring and low-level process signal circuits. Installation practices should maintain proper grounding and cable routing to reduce electrical interference within the control enclosure.
Frequently Asked Questions
Q: What input voltage is specified for the Yokogawa NFPW442-10?
A: The NFPW442-10 is specified for a 220-240 V AC input supply.
Q: Does the NFPW442-10 provide explosion protection?
A: No. The supplied configuration is identified as a standard type with no explosion protection.
Q: Does the module include an ISA Standard G3 option?
A: Yes. The NFPW442-10 configuration includes the ISA Standard G3 option.
Field Installation Guidelines
Verify that the incoming supply matches the specified 220-240 V AC input requirement before installation. De-energize the associated equipment before inserting or removing the module.
Install the module according to the applicable Yokogawa system hardware arrangement. Ensure that the module is fully seated in its designated mounting position and that all mechanical retention components are correctly secured.
Route AC power conductors separately from low-level analog and communication wiring where practical. In addition, connect protective grounding according to the equipment installation requirements and applicable industrial electrical standards.
Do not infer hot-swap capability, redundancy behavior, output loading, or operating temperature limits unless these parameters are confirmed by the applicable Yokogawa technical documentation.
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