Allen-Bradley 1794-IB32 Flex I/O Module: Industrial 32-Point Input Solution

Core Functionality

• 32-point sinking digital input module
• 24V DC industrial sensor interface
• Compact design for high-density installations
• Field status indicators for all 32 channels

Technical Specifications

• Model: 1794-IB32 | Series: Flex I/O
• Input Voltage: 19.2-31.2V DC (24V nominal)
• Current Rating: 2-6mA (on-state)
• Isolation: 50V continuous (2121V tested)
• Response Time: <1ms signal processing
• Impedance: 22.2 kΩ nominal
• Power: 6W max @ 31.2V DC
• Dimensions: 94×94×69mm (3.7×3.7×2.7in)
• Weight: 79g (2.79oz)

Installation & Compatibility

• Works with multiple terminal bases:
  • 1794-TB3/TB3S
  • 1794-TB3K/TB3SK
  • 1794-TBKD/TB37DS
• Keyswitch position: 2
• Wiring category: 2 signal ports
• DIN rail or panel mounting

Reliability Features

• 32 yellow LED channel indicators
• Built-in noise filtering
• Thermal dissipation: 20.47 BTU/hr
• Rugged open-style enclosure
• Temperature rated: T3C/T4

Support & Service

• Warranty: 12-month full coverage
• Shipping: FedEx, UPS, DHL global
• Certified: IECEx, UKEX, ATEX
• Industrial temperature operation

Professional FAQ

• Q: What sensors can connect to this module?
  • A: Compatible with all 24V DC sinking sensors
• Q: Is channel-to-channel isolation provided?
  • A: No isolation between individual input channels
• Q: What's the maximum wire distance?
  • A: 100m (328ft) with 24AWG shielded cable
• Q: Can I mix voltage types?
  • A: No, all inputs share common 24V DC power
• Q: Is surge protection included?
  • A: Basic 50V isolation, recommend external protectors