Shinkawa FRP-282 P-24-35A P-24-35B Circuit Board Module
Shinkawa FRP-282 P-24-35A P-24-35B Circuit Board Module
Shinkawa FRP-282 (including hardware sub-variants P-24-35A and P-24-35B) is an industrial-grade circuit board module engineered by Shinkawa Electric Co., Ltd. Built for integration into machinery protection and condition monitoring rack frames, this module conditions, processes, and transmits critical sensor data for heavy rotating equipment.
Product Introduction / Overview
The Shinkawa FRP-282 module acts as a core signal processing card within Shinkawa control systems. It is primarily responsible for converting field inputs—such as eddy-current displacement probe signals, position sensors, or velocity transducers—into standardized control outputs for real-time vibration analysis and automated machinery shutdown routines.
Core Function: Signal conditioning, threshold monitoring, and backplane bus communications.
Target Equipment: Turbines, industrial compressors, generators, large boiler feed pumps, and centrifuges.
Revision Designation: P-24-35A and P-24-35B represent specific manufacturing batch revisions, pinout channel configurations, and internal impedance balancing optimized for distinct system backplane architectures.
Technical Table
| Parameter | Specification |
| Manufacturer | Shinkawa Electric Co., Ltd. |
| Model Number | FRP-282 |
| Part / Revision Code | P-24-35A / P-24-35B |
| Device Type | Vibration Signal Processing & Interface Module |
| Operating Voltage | System rack backplane bus (Typically +24V DC / ±15V DC) |
| Input Signals | Eddy-Current Displacement, Velocity Sensor, Phase Marker |
| Output Signals | 4–20 mA DC proportional analog, Raw buffered voltage, Relay contact signals |
| Installation | Plug-in PCB card frame module with front ejector mechanism |
| Galvanic Isolation | Integrated power-to-signal bus isolation |
Environmental Tolerance Conditions
| Condition | Tolerance Rating |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) |
| Operating Humidity | 5% to 95% RH (Non-condensing) |
| Vibration Tolerance | IEC 60068-2-6 standard industrial cabinet environment compliant |
| Shock Resistance | Operational up to 15g peak acceleration |
| Atmospheric Conditions | Non-corrosive gas environment, installed inside IP54+ enclosure |
Operating Instructions
Pre-Installation Safety: Disconnect the main power frame before inserting or removing the card to prevent arc-flash or transient damage.
ESD Precautions: Wear an antistatic wrist strap connected to a grounded chassis point while handling the module.
Card Slot Alignment: Align the PCB edges with the upper and lower slot guides of the Shinkawa card rack.
Insertion & Locking: Push the module firmly into the backplane connector and lock the front panel screws/latches.
System Verification: Apply power and verify that status LEDs report normal operating parameters before initializing the attached machinery.
Fault Diagnosis
| Symptom / Error | Probable Cause | Corrective Action |
| Status LED Inactive | Backplane power failure or improper slot insertion | Reseat card firmly; verify rack power supply outputs. |
| Signal Out of Range / Erratic | Loose sensor field wiring or transducer mismatch | Inspect terminal wiring; test sensor coil resistance and gap voltage. |
| Alarm Trip Fault | Threshold setpoint mismatch or excessive noise | Re-calibrate zero/span settings; check shield grounding path. |
| Communication Timeout | Connector pin oxidation or backplane channel fault | Clean edge contacts with isopropyl alcohol; test module in adjacent slot. |
Related Models of the Same Series
Shinkawa FRP-338 (P-26-54A / P-26-54B)
Shinkawa FRP-280 Series Signal Conditioners
Shinkawa VM-5 Series Vibration Monitoring Racks
Shinkawa VM-7 Series Condition Monitoring Cards
Shinkawa FK-202F Driver / Phase Reference Units
Storage Conditions
To maintain long-term component reliability and prevent dielectric breakdown, adhere to the following storage parameters:
Storage Temperature: -20°C to +70°C (-4°F to 158°F)
Storage Humidity: 5% to 95% RH (Non-condensing)
Packaging: Must remain sealed in moisture-barrier ESD shielding bags with desiccant packs when not installed in an active rack.
Atmosphere: Keep in a dust-free, climate-controlled indoor space free from corrosive chemicals (e.g., sulfur dioxide, chlorine gas).