ALSTOM LC105A-1

  • Product Name: ALSTOM LC105A-1 Digital Discrete Output (Relay) Module
  • Product Introduction: A high-reliability 16-channel relay output module belonging to the ALSTOM ALSPA P320/T2000 DCS family, used for interfacing logic controllers to field actuators.
Category:
Description
  • Technical Specifications:
    • Module Type: Digital Discrete Output (Sink Current)
    • Channels: 16 Relay Outputs
    • Rated Output Voltage: 48V DC (LC105A-1 variant)
    • Logic Supply: 24V DC
    • Processor: 16-bit Microprocessor with Battery-backed RAM
    • Power Consumption: Approx. 7.5W
    • Response Time: <1ms
    • Operating Temp: -20°C to +70°C
    • Protection: IP20 (Cabinet mounted)
    • Weight: Approx. 0.89-1.07 kg
  • Functional Features: Physical isolation between DCS logic and field high-power equipment; built-in self-diagnostics; hot-swap capable (system dependent); robust EMI immunity.
  • Application Scenarios: Turbine control (solenoid valves), petrochemical safety interlocks, substation breaker control, wastewater treatment pump actuation.
  • Structural Features: Plug-in card design with front-panel status LEDs and securing screws; connects to proprietary backplane bus.
  • Installation Requirements: Insert into compatible ALSPA rack guide rails; tighten front panel screws for vibration resistance; fuse-protect field wiring.
  • Precautions: Contains CMOS logic—use ESD wrist strap; do not hot-plug unless system explicitly supports it; verify 48V DC field supply polarity.
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