GE 24VDC Input and Relay Output Module

Technical Specifications

• Manufacturer: GE Fanuc (Emerson Automation)
• Product Line: Series 90-30 PLC
• Module Type: Mixed Digital Input / Relay Output
• Input Channels: 8 points (1 group of 8)
  • Input Voltage Range: -30VDC to +32VDC (rated 24VDC)
  • On-State Voltage: 15VDC to 32VDC
  • Off-State Voltage: 0VDC to 5VDC
  • Input Current: 7.5mA (typical @ rated voltage)
  • On-State Current (Min): 4mA
  • Off-State Current (Max): 1.5mA
  • Input Response Time (Typ): 7ms (ON/OFF)
• Output Channels: 8 points (2 groups of 4, N.O. relay contacts)
  • Output Operating Voltage: 5–30VDC; 5–250VAC, 50/60Hz
  • Output Rated Voltage: 24VDC, 120/240VAC
  • Max Load per Output: 2A
  • Max Load per Common: 4A
  • Min Load: 10mA
  • Max Inrush Current: 5A
  • Output Response Time (Max): 15ms (ON/OFF)
• Isolation:
  • Field-to-Logic Side: 1,500V RMS
  • Between Inputs: 500V RMS
  • Between Output Groups: 500V RMS
• Power Consumption:
  • 5V Backplane Bus: 80mA (all I/O active)
  • 24V Relay Backplane Bus: 70mA (all outputs energized)
• Environmental Ratings:
  • Operating Temperature: 0°C to 60°C
  • Storage Temperature: -25°C to 85°C
  • Relative Humidity: 5%–95% (non-condensing)
• Mechanical:
  • Dimensions (approx): 125mm × 115mm × 68mm
  • Weight (approx): 0.5kg (0.69 lbs)
  • Mounting: DIN Rail
  • Protection Class: IP20

Key Features

1. Mixed I/O Integration: Combines 8 digital inputs and 8 relay outputs in one module, reducing slot usage and system cost.
2. Wide Input Compatibility: Accepts -30VDC to +32VDC signals, supporting both sinking and sourcing input devices (e.g., pushbuttons, limit switches, proximity sensors).
3. Versatile Relay Outputs: N.O. relay contacts handle both DC (5–30V) and AC (5–250V, 50/60Hz) loads, with 2A per-channel switching capacity.
4. High Isolation Strength: 1,500V RMS isolation between field and logic sides ensures superior noise immunity and system reliability in harsh industrial environments.
5. LED Status Indicators: Front-panel LEDs display ON/OFF status for each input and output channel, enabling real-time monitoring and quick troubleshooting.
6. Compact & Rugged Design: DIN-rail mountable, IP20-rated, and built to withstand 0°C–60°C operating temperatures, suitable for industrial control panels.
7. Backplane-Powered Relays: Internal relay circuits draw power from the PLC’s 24V backplane bus, simplifying external wiring.

Application Scenarios

• Manufacturing Automation: Assembly lines, conveyor systems, and machine control for monitoring sensors and actuating solenoids, motor starters, and indicators.
• Process Control: Water/wastewater treatment, food & beverage, and pharmaceutical industries for level, flow, and pressure switch inputs and valve/pump outputs.
• Building Automation: HVAC systems, lighting control, and security systems for door/window contact inputs and relay-based device control.
• Energy & Utilities: Power distribution, renewable energy, and oil/gas facilities for monitoring auxiliary contacts and controlling low-power loads.
• General Industrial: Any application requiring a cost-effective, compact I/O solution for interfacing 24VDC sensors and relay-controlled devices with GE Series 90-30 PLCs。