VF701S3 YOKOGAWA

VF701S3 Yokogawa Input module

Brand：Yokogawa Model number：VF701S3

Country of origin: Japan Product weight：0.55kg

HS code：8538900000

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Product Details：

Product Dimensions：

The VF701S3 module delivers clean, regulated DC voltage from a standard industrial power source to system components installed within control racks or field enclosures. Designed for heavy-duty industrial operations, it incorporates advanced internal filter circuits to suppress voltage spikes, electrical noise, and high-frequency interference commonly found in plant networks. The module features integrated internal protection mechanisms that guard against short circuits, input overvoltages, and thermal overload, preventing damage to connected I/O modules and controller units. Its compact, rail-mount chassis enables straightforward installation and efficient thermal dissipation within crowded control cabinets.

Product Parameters

Module Function: Industrial System Power Supply Module
System Compatibility: Yokogawa Centum VP series and ProSafe-RS control architectures
Input Voltage Range: 100 to 240 VAC wide-range input, compatible with 50/60 Hz grid frequencies
Output Voltage: 24 VDC regulated output with high precision and low ripple output voltage
Output Power Capacity: High-efficiency power delivery capable of powering multiple rack-mounted sub-modules simultaneously
Mounting Type: DIN rail or dedicated rack cabinet mounting system
Efficiency Rating: Typically exceeds 85% at full load operation
Diagnostic Features: Front-panel LED indicators displaying input status, output status, and system alarm faults
Operating Temperature Range: 0°C to 55°C (32°F to 131°F)
Storage Temperature Range: -20°C to 70°C (-4°F to 158°F)
Operating Humidity: 10% to 90% relative humidity, non-condensing
Protection Standards: Overcurrent protection, overvoltage protection, and automatic thermal shutdown

Product Advantages

A key advantage of the VF701S3 is its exceptionally stable power output, which ensures high signal integrity for sensitive analog measurements and critical digital logic execution within the DCS network.

Its wide input voltage range allows seamless operation across varying power grid standards globally without requiring external step-down transformers.

The robust physical construction and high thermal tolerance ensure long operational life and minimize failure risks in continuous continuous-process industries.

Furthermore, built-in diagnostic LED lamps allow field technicians to identify power input or output faults instantly without using external multimeter tools, significantly streamlining maintenance efforts.

Important Considerations and Precautions

Ensure that input AC power wiring is completely de-energized prior to connecting or disconnecting terminal blocks to avoid electrical shock or arcing hazards.

Maintain adequate ventilation clearance above and below the module when installed on a DIN rail or within a chassis frame to allow proper air convection and prevent thermal shutdown.

Verify that total continuous current drawn by connected downstream modules does not exceed the maximum rated output current capacity of the VF701S3 power unit.

Always perform proper grounding of the module chassis to the industrial plant ground network to ensure lightning and surge protection circuits function correctly.

Do not open or attempt to service the internal components of the module, as breaking factory seals invalidates warranty protection and risks damaging internal protective circuits.

Product Applications

The VF701S3 module is deployed extensively in process industries where uninterrupted power delivery to automation electronics is essential for operational continuousness.

Oil and Gas Refineries: Providing conditioned 24 VDC power to control processors, safety logic solvers, and field instrument loops across upstream, midstream, and downstream facilities.
Chemical and Petrochemical Processing: Powering critical DCS I/O racks and safety shutdown systems operating in continuous production environments.
Thermal and Nuclear Power Plants: Serving as a stabilized power module for turbine control systems, boiler safety networks, and auxiliary instrumentation.
Pharmaceutical and Batch Manufacturing: Supplying clean power to automated batching controllers and environmental monitoring systems requiring stable DC voltage.
Water and Wastewater Treatment: Delivering power to telemetry units, remote terminal bases, and main control nodes across large municipal water distribution networks.

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