Allen Bradley 1771-IBD 10 to 30 VDC Input Module

Allen-Bradley 1771-IBD 10 to 30 VDC Input Module

The Allen-Bradley 1771-IBD is a 16-point digital DC input module designed for integration with PLC-5 control systems. Operating within a voltage range of 10 to 30 VDC, this module provides reliable sinking input capabilities for industrial automation applications.

Key Features

• Input Channels: 16 discrete inputs
• Operating Voltage Range: 10 to 30 VDC
• Input Signal Delay:
  • OFF to ON: 1 ms
  • ON to OFF: Selectable 1 ms or 6 ms
• Power Dissipation:
  • Maximum: 7.3 Watts
  • Minimum: 1.0 Watt
• Thermal Dissipation:
  • Maximum: 24.7 BTU/hr
  • Minimum: 3.4 BTU/hr
• Backplane Current: 130 mA at 5 VDC ±5%
• Compatible Chassis: All 1771 I/O chassis except 1771-A1, -A2, and -A4
• Field Wiring Arm: 1771-WH
• Keying Positions: Between 10 and 12; Between 16 and 18

Technical Specifications

• Minimum Input Current:
  • 4.5 mA at 10 VDC
  • 15 mA at 30 VDC
• Minimum Off-State Current: 2.0 mA at 5 VDC
• Maximum Off-State Voltage: 5 VDC
• Minimum On-State Voltage: 10 VDC
• Input Impedance: 2.2 kΩ maximum
• Dimensions: 3.5 x 6.5 x 2.0 inches (89 x 165 x 51 mm)
• Weight: 0.95 lbs

The 1771-IBD module is equipped with LED indicators for each input channel, providing visual status updates for efficient monitoring and troubleshooting. Its design ensures seamless integration into existing PLC-5 systems, enhancing the flexibility and scalability of industrial automation setups.