67700-1R RELIANCE

Reliance 67700-1R Filter Modules

Brand：RELIANCE Model number：67700-1R

Country of origin: United States Product weight：0.55kg

HS code：9032899099

Product Details：

Product Dimensions：

Reliance filter modules, in an industrial control context, would typically refer to specialized electronic or electrical components designed to:

Signal Conditioning and Noise Reduction: Cleanse input or output signals from electrical noise (e.g., electromagnetic interference - EMI, radio frequency interference - RFI) that can disrupt the accurate operation of sensitive control equipment.
Power Quality Improvement: Filter out harmonics or voltage spikes from power lines to protect connected devices and ensure stable power delivery.
Data Filtering (less common as a standalone hardware module): In some advanced control systems, a "filter module" might refer to a software-configurable module that processes and filters data (e.g., smoothing sensor readings, removing outliers) before it's used by the control logic. However, this is more of a software function within a PLC/PAC module rather than a distinct "filter module" hardware.
Specialized Electrical Filters: For specific applications like motor drives, they might be AC or DC line filters designed to meet regulatory compliance for emissions or immunity.

Product Parameters

The specific parameters would heavily depend on the module's intended filtering purpose:

For Signal/Noise Filters:

Input/Output Voltage/Current: Ranges compatible with industrial control signals (e.g., 0-10V, 4-20mA, 24V DC, 120V AC).
Frequency Range: The frequency band of noise it's designed to attenuate.
Attenuation: The amount of noise reduction (e.g., dB at specific frequencies).
Bandwidth: The frequency range of signals it allows to pass.
Number of Channels: For multi-channel signal filtering.

For Power Line Filters (e.g., for drives):

Input Voltage: (e.g., 230V AC, 400V AC, 480V AC, 690V AC).
Current Rating: (e.g., 10A, 50A, 100A).
Number of Phases: (e.g., single-phase, three-phase).
Insertion Loss: The reduction in unwanted frequencies.
Harmonic Reduction: The ability to reduce harmonic distortion.
Enclosure Rating: (e.g., IP20, NEMA 1).

Environmental Ratings:

Operating Temperature: Typically -20°C to +70°C for industrial use.
Humidity: Non-condensing.

Mounting: DIN rail mount, panel mount.
Certifications: UL, CE, RoHS compliance.

Product Advantages

Improved System Reliability: By reducing noise and improving signal integrity, these modules prevent erratic behavior, false readings, and malfunctions in control systems.
Enhanced Performance: Cleaner signals lead to more precise control and more accurate data acquisition.
Equipment Protection: Power filters protect sensitive electronics from voltage surges, spikes, and harmonics, extending their lifespan.
Regulatory Compliance: Electrical noise filters are often necessary to meet EMC (Electromagnetic Compatibility) directives and standards.
Reduced Troubleshooting: A stable, clean signal environment minimizes mysterious errors and simplifies system diagnostics.
Optimized Data Quality: For data filtering applications, they ensure that control algorithms receive meaningful and reliable input.

Important Considerations

Type of Noise/Interference: Identify the specific type of noise (e.g., conducted, radiated, common-mode, differential-mode) to select the most effective filter module.
Signal Characteristics: Match the filter module to the voltage, current, and frequency characteristics of the signals or power lines being filtered.
System Impedance: Ensure the filter's impedance characteristics are compatible with the source and load to avoid signal reflections or performance degradation.
Installation Location: Install the filter module as close as possible to the noise source or the sensitive equipment it's protecting for maximum effectiveness.
Grounding: Proper grounding is crucial for the effective operation of many filter types, especially EMI/RFI filters.
Voltage Drop (for power filters): Be aware of any voltage drop introduced by the filter, especially in high-current applications.
Heat Dissipation: Ensure adequate ventilation if the filter module dissipates significant heat.
Maintenance: While many are maintenance-free, some industrial filtration systems (e.g., for fluids) require regular element replacement. For electrical filters, occasional inspection for damage is good practice.

Product Applications

Industrial Automation:

Filtering sensor inputs in noisy industrial environments (e.g., near motor drives, welding equipment).
Protecting PLCs, HMI panels, and other control electronics from power line disturbances.
Ensuring stable power for variable frequency drives (VFDs) and servo systems.

Process Control:

Improving the accuracy of analog signals from pressure, temperature, and flow transmitters.
Preventing noise propagation in distributed control systems.

86466-25 RELIANCE

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