Technical Specifications Input Signal: Eddy current probe signal Input Channels: Dual channels Measurement Parameter: Peak-to-peak vibration, gap displacement Frequency Response: 0~10kHz Power Supply: 24V DC Operating Temperature: -20℃ ~ +60℃ Mounting Method: DIN rail installation
Functional Features Dual channel eddy current signal acquisition for shaft vibration and gap measurement. Configurable warning and danger alarm thresholds. Built-in sensor loop fault diagnosis for open and short circuit. Relay dry contact alarm output for interlock protection. 4-20mA analog output for DCS remote reading. Compact DIN rail design for small control cabinet.
Application Scenarios Shaft vibration and thrust displacement monitoring for small compressors and pumps. Medium-sized rotating machinery protection in petrochemical industry. Power plant auxiliary rotating equipment online monitoring. Industrial fan and blower condition monitoring system. Standalone machinery protection system without large rack.
Structural Characteristics Metal compact housing with DIN rail clip. Front panel LED indicators for power, channel fault and alarm. Screw terminals for probe signal, power, relay and analog output. Internal signal processing PCB and relay drive circuit. Locking buckle for DIN rail fixing.
Working Principle Eddy current probe signal enters the module. Internal circuit processes the signal and calculates peak-to-peak vibration amplitude or gap value. The measured value is compared with preset alarm threshold. When the value exceeds threshold, relay contact acts to trigger alarm or trip. Meanwhile, 4-20mA current signal is generated and sent to DCS system. Built-in diagnostic circuit monitors probe loop health.
Installation Requirements Install module on standard DIN rail in control cabinet. Connect matched Bently proximity probe and proximitor signal to input terminals. Set measurement range and alarm threshold through configuration. Use shielded coaxial cable for probe signal wiring. Separate signal cable from high voltage cable. Test alarm function after installation and configuration.
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