Description
Eaton MTL4517
Technical Specifications: Mounting type: Backplane rack plug-in installation Intrinsic safety certification: ATEX approved Isolation voltage: High galvanic isolation between safe and hazardous circuits Operating voltage: 24V DC system power supply Operating temperature range: -20℃ ~ +60℃ Protection grade: IP20 Signal type: Analog input / output isolation for process signal loop Backplane bus: Internal rack bus communication
Functional Features: Galvanic isolation between safe zone and hazardous zone circuits. Intrinsic safety energy limiting to prevent ignition of flammable gas mixtures. Hot swappable design, individual module replacement without cabinet power off. Built-in circuit fault monitoring function. Compact plug-in design to save cabinet installation space. Compliant with functional safety requirements for process control systems.
Application Scenarios: Chemical plants, petrochemical industry, oil and gas sites, pharmaceutical manufacturing, gas detection systems, DCS and PLC control cabinets for hazardous area field instrument signal isolation.
Performance Parameters: Isolation withstand voltage: Meet industrial isolation test standard Response speed: Real-time signal transmission for process control loop Fault detection: Detect loop wiring fault and report to system
Material Composition: Module housing: Flame retardant black plastic. PCB: FR4 industrial printed circuit board. Isolation components: High voltage isolation optocoupler, safety resistors and capacitors. Backplane connector: Gold plated copper alloy contact pins.
Structural Features: Rectangular plug-in module with backplane edge connector. Front panel with status LED indicators. Built-in mechanical locking clip to fix module to backplane rack. Internal isolation barrier separates safe circuit and hazardous circuit.
Working Principle: Field instrument signal from hazardous zone enters module’s hazardous side circuit. Intrinsic safety components limit voltage and current to restrict available energy below ignition threshold of explosive gas mixture. Isolation optocoupler transfers signal to safe side circuit without direct electrical connection. Safe side circuit transmits isolated signal to DCS or PLC via backplane rack bus. Module monitors loop condition and outputs fault signal when wire break or short circuit occurs.
Installation Requirements: Install dedicated MTL4500 series backplane rack in control cabinet first. Insert MTL4517 module vertically into backplane slot and lock the clip. Wire field hazardous side signal to module field terminals, connect control side signal to backplane. Connect cabinet protective ground to backplane grounding terminal. Keep sufficient air gap between adjacent modules for heat dissipation.
Usage Notes: Do not plug or unplug module in classified hazardous gas atmosphere. Verify entity parameter matching before connecting field instruments. Do not modify internal circuit components of module. Check backplane power supply within rated voltage range. Regularly inspect connector contact condition and LED working status.
