Allen-Bradley ControlLogix | 1756-IH16I | Isolated Input Module

Allen-Bradley 1756-IH16I – High-Voltage Isolated Input Module

Key Benefits

• ⚡ 16 fully isolated high-voltage inputs
• ⚡ Wide 90-146V DC operating range
• ⚡ 125V DC rated voltage category
• ⚡ Per-point isolation for safety
• ⚡ Built for industrial power applications

Technical Specifications

• Model: 1756-IH16I (ControlLogix Series)
• Input Type: Isolated sink/source
• Voltage Range: 90-146V DC
• Current Draw: 1-3mA per input
• Response Time: 2ms ON, 6ms OFF
• Isolation: 250V continuous
• Power Use: 125mA @ 5.1V DC
• Temp Range: 0°C to 60°C

Safety Features

• 🛡️ Individual channel isolation
• 🛡️ Low leakage current (0.8mA max)
• 🛡️ 250V isolation between inputs

Your Protection

• 🔒 12-month performance guarantee
• ✈ Fast global shipping options
• 🛠 Easy wiring with 1756-TBCH/TBS6H terminals

Expert Questions

• Q: What’s the minimum operating voltage?
  A: 90V DC with 1mA current draw.
• Q: Can I mix different voltages on inputs?
  A: Yes, each input is independently isolated.
• Q: What’s the fastest response time?
  A: 2ms ON with 0ms filter setting.
• Q: Is this module suitable for high-noise areas?
  A: Yes, features configurable filtering.
• Q: What’s the maximum off-state voltage?
  A: 20V DC maximum when inactive.

Resources

• 📥 Download 1756-IH16I full manual