Allen-Bradley 1771-IBN/B Input Module

The 1771-IBN/B module interfaces up to 32 discrete DC input signals, operating within a voltage range of 10 to 30V DC. It features input filtering to mitigate the effects of voltage transients caused by contact bounce or electrical noise, ensuring accurate signal processing. The module is compatible with various 1771 I/O chassis and supports multiple addressing modes, providing flexibility in system configuration. LED status indicators on the front panel offer real-time input status monitoring, aiding in troubleshooting and maintenance.

Features:

• Input Channels: 32 discrete inputs
• Voltage Range: 10 to 30V DC
• Input Current: 4.5 mA at 10V DC
• Input Impedance: 2.2 kΩ
• Signal Delay: Low to high propagation: 6 ms (±2 ms); High to low propagation: 6 ms (±2 ms)
• Backplane Current Load: 280 mA
• Compatibility: Compatible with 1771-A1B, -A2B, -A3B, -A3B1, -A4B, or later I/O chassis
• Indicators: 32 LED status indicators
• Operating Temperature: 0°C to 60°C