Allen-Bradley 1794-IF4I Flex I/O Module: 4-Channel Isolated Analog Input

Precision Signal Capture

• 4 fully isolated analog input channels
• High-density industrial monitoring
• 120V continuous isolation protection
• Compact 94x94mm footprint

Technical Specifications

• Model: 1794-IF4I | Series: Flex I/O
• Isolation: 120V channel-to-channel (250V with TBN base)
• Power: 24V DC (19.2-31.2V range)
• Current: 145mA @ 24V DC
• Thermal: 6.8 BTU/hr max
• Weight: 0.454kg (1lb)
• Dimensions: 94×94×66mm
• Temp Rating: T4/T4A certified

Installation Features

• Works with multiple terminal bases:
  • 1794-TB2/TB3/TB3S
  • 1794-TB3T/TB3TS/TBN
• Keyswitch position: 3
• Shielded wire required
• DIN rail mounting

Reliability & Safety

• Dual-color status indicator
• 1000V AC isolation tested
• Industrial noise immunity
• ATEX/IECEx certified

Support & Service

• Warranty: 12-month coverage
• Shipping: FedEx/UPS/DHL worldwide
• Industrial temperature operation
• Global certifications

Professional FAQ

• Q: What signal types are supported?
  • A: Voltage (0-10V) and current (4-20mA) inputs
• Q: Can I use different signals per channel?
  • A: Yes, each channel is independently configurable
• Q: What's the maximum wire distance?
  • A: 100m with proper shielded cable
• Q: Is surge protection included?
  • A: Basic 120V isolation, recommend external protectors
• Q: Can I mix terminal base types?
  • A: No, must use same type for all modules