Allen-Bradley 1794-IE8H Flex I/O Module: Precision 8-Channel HART Analog Input

Core Benefits

• 🎯 16-bit high-resolution input
• 📶 HART protocol support
• 🔍 0.1% full-scale accuracy
• 🔄 Fast 80ms response time
• 💡 Clear channel status LEDs

Technical Details

• Input Specifications
  • Model: 1794-IE8H Series B
  • Channels: 8 single-ended
  • Resolution: 16-bit
  • Accuracy: ±0.1% @ 20°C
• Electrical Ratings
  • Voltage: 19.2-31.2V DC
  • Flexbus: 80mA @ 5V DC
  • Isolation: 50V continuous
  • Power: 3.9W max
• Physical Properties
  • Size: 94×46×75mm
  • Weight: 200g
  • Mounting: DIN rail
  • Temperature: T4A rated

Industrial Advantages

• ✅ Process monitoring - Ideal for HART instruments
• ✅ Temperature stable - ±0.05% drift (0-55°C)
• ✅ Compact design - Saves control panel space
• ✅ Visual diagnostics - Per-channel indicators
• ✅ Global compliance - IEC 61000-4-29 certified

Installation & Setup

• Requires 1794-TB3G/TB3GS base
• Shielded wiring recommended
• Keyswitch position 3
• Hot-swappable design

Shipping & Support

• Fast delivery via FedEx/UPS/DHL
• 12-month performance warranty
• Made in USA quality
• RoHS compliant

Expert FAQs

• Does it support 4-20mA signals? Yes, with HART communication
• What's the maximum wire length? 1000m for HART devices
• Can I mix signal types? No, all 8 channels same configuration
• Is channel isolation provided? No, inputs share common ground
• What power supply is needed? 1794-PS13 recommended