Allen Bradley 5094-IY8XT Digital Input Module

The Allen Bradley 5094‑IY8XT is an 8‑channel universal analog input module (voltage, current, RTD, thermocouple) for the Compact 5000/Flex 5000 I/O system.

Technical Specifications

• Model: 5094‑IY8XT
• Channels: 8 universal analog inputs (single-ended/differential)
• Input Ranges: ±10 V, 0–10 V, 0–5 V, 0–20 mA, 4–20 mA
• RTD Types: 2/3/4-wire RTDs (e.g., 100 Ω, 1000 Ω)
• Thermocouple Types: J, K, T, B, E, N, S, R
• Resolution: 24-bit ADC, multiplexed
• Field Power: 18–32 V DC via SA terminals
• Backplane Power: 15 V DC @ ≤75 mA
• Isolation: 250 VAC field-to-backplane
• Operating Temperature: –40 °C to +70 °C
• Certifications: ATEX T4, IECEx, UL, hazardous location rated
• Conformal Coating: XT (G1/G2/G3) for extreme-industrial environments
• Lifecycle Status: Active

Key Features

• Supports voltage, current, RTD, or thermocouple inputs in one module
• High-resolution 24‑bit readings with fast multiplexed conversion
• Removable terminal base enables hot‑swap when field power is off
• Conformal-coated XT variant offers corrosion protection in harsh environments

Compatible Components & Accessories

• 5094‑MBXT chassis & RTB3/RTB3XT removable terminal bases
• 5094‑STB shield bar for field-side wiring protection
• Studio 5000 Logix Designer and CompactLogix/Flex 5000 controllers

Industry Applications

• Process automation in chemical, pharmaceutical, energy, and utilities
• Integrated temperature control using RTDs and thermocouples
• Rugged monitoring in corrosive or outdoor industrial settings

Installation & Maintenance Notes

• Use shielded twisted-pair cable for optimal signal integrity
• Field-side power must be off before hot-swapping module
• Seal unused chassis slots to maintain XT corrosion protection

Frequently Asked Questions