1756-IH16I Input Module | Allen-Bradley

Allen-Bradley 1756-IH16I Isolated Input Module

Technical Specifications

• Brand: Allen-Bradley
• Series: ControlLogix
• Model: 1756-IH16I
• Input Channels: 16 isolated points
• Voltage Range: 90-146V DC
• Nominal Voltage: 125V DC
• Input Type: Sink/source configuration
• Response Time: 6ms + filter time
• Operating Current: 1-3 mA
• Power Dissipation: 5W maximum
• Backplane Current: 125mA @ 5.1V DC
• Isolation: 250V continuous
• Terminal Blocks: 1756-TBCH, 1756-TBS6H

High Voltage Input Characteristics

• Wide Voltage Range: 90-146V DC operating capability
• Individual Isolation: Each input channel fully isolated
• Current Consumption: 1mA minimum at 90V DC
• Off-State Leakage: 0.8mA maximum per point
• Inrush Current: 250mA maximum surge rating
• Input Configuration: Supports both sinking and sourcing

Power Requirements

• Backplane Power: 125mA at 5.1V DC
• 24V DC Current: 3mA from backplane
• Total Consumption: 0.71 Watts backplane power
• Thermal Dissipation: 17.05 BTU/hour maximum
• Efficiency: Optimized for high-voltage applications

Frequently Asked Questions

Can I use both sink and source configurations?

• Yes, the module supports both sinking and sourcing input wiring.

What is the power consumption?

• Maximum power dissipation is 5 watts at 60°C operating temperature.

How many points can be active simultaneously?

• All 16 points can be active with proper voltage derating at higher temperatures.

For technical specifications and purchasing information, contact: sales@nex-auto.com