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1794-IR8 Flex I/O RTD Module Allen-Bradley

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About the Product

🛠 Technical Specifications

Parameter Specification
🔧 Brand Allen-Bradley
📦 Series Flex I/O
🔢 Model 1794-IR8
🔌 Type RTD Input Module
🔢 Number of Inputs 8 Channels
📊 Module Resolution 16-bit across 435 ohms
🔋 Excitation Current 718.36 µA
⚡ Input Range 1 to 433 ohms (Nominal)
🌍 RTD Types Supported 100 Ω Pt (α = 0.00385, Euro and U.S. standards)
200 Ω Pt (α = 0.00385, Euro)
500 Ω Pt (α = 0.00385, U.S.)
100 Ω Nickel (α = 0.00618)
200 Ω Nickel (α = 0.00618)
500 Ω Nickel (α = 0.00618)
10 Ω Copper (α = 0.00427)
🌡️ Operating Temperature 0 to 55°C (32 to 131°F)
🌡️ Storage Temperature -40 to 85°C (-40 to 185°F)
⚡ Power Supply 31.2V DC Maximum
🔋 Power Dissipation 3W Maximum
💨 Thermal Dissipation 10.2 BTU/hr Maximum
🔧 Normal Mode Accuracy ±0.05% full scale (max)
🔧 Enhanced Mode Accuracy ±0.01% full scale (typical)
🔊 Noise Rejection -60 dB at 60 Hz (Normal Mode)
📊 Bandwidth 0 to 2.62 Hz
⚙️ System Throughput (Normal Mode) 1 Channel Scanned - 325 ms, 8 Channels Scanned - 2.6 s (default)
⚙️ System Throughput (Enhanced Mode) 1 Channel Scanned - 650 ms, 8 Channels Scanned - 2.925 s (default)
🔒 Isolation Voltage 850 Volts DC
🔩 Mounting Type DIN Rail
💪 Vibration Resistance 5g @ 10 to 500 Hz
🔋 Flexbus Current 20 mA
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  • Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.
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