Technical Specifications PLC Platform: GE Series‑90‑30 PLC Input Channels: 16‑point digital input Field Signal: 24 VDC sinking / sourcing compatible Operating Temperature Range: 0 ℃ to +60 ℃ Storage Temperature Range: ‑40 ℃ to +85 ℃ Mounting: Series‑90‑30 rack slot‑mount
Functional Features Opto‑isolated discrete signal acquisition. Hardware input filter for contact bounce suppression. Per‑channel status LED indicators. Backplane bus data communication with Series‑90‑30 CPU.
Application Scenarios Machine tool signal collection, conveyor system, factory automation discrete signal monitoring, Series‑90‑30 spare‑part maintenance.
Performance Parameters Electrical isolation: Optical isolation between field circuit and PLC logic side
Structural Characteristics Standard Series‑90‑30 rack‑mount module. Front‑panel channel LED status lights. Screw terminal block for field wiring. Rear gold‑plated backplane connector for rack bus.
Working Principle Field 24VDC discrete signals pass through screw terminals into module opto‑coupler circuits. Optical isolation separates noisy field environment from PLC internal logic circuit. Signal on‑off states are converted to digital logic values and sent to CPU over backplane bus.
Installation Requirements Insert module into Series‑90‑30 rack available slot. Provide stable 24VDC field signal power. Execute ESD protection during handling. Maintain cabinet cooling space.
Usage Notes Confirm field signal voltage matches module rating. Prevent surge over‑voltage damage. Power off rack power supply before module replacement.
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