Allen-Bradley 1794-IF4I Analog Input Module

Allen-Bradley 1794-IF4I Flex I/O Analog Input Module

Discover the 1794-IF4I isolated analog input module from Allen-Bradley. This flexible module offers four isolated channels for precise voltage and current sensing. It is ideal for a wide range of industrial automation applications.

Full Technical Specifications

• Brand & Manufacturer: Allen-Bradley (Rockwell Automation)
• Model Number: 1794-IF4I (FLEX I/O Isolated Analog Input)
• Input Channels: 4 Isolated
• Supported Signals: Voltage: 0-5V, ±5V, 0-10V, ±10V | Current: 0-20mA, 4-20mA, ±20mA
• Resolution: 16-bit
• Power Supply: 24V DC nominal (19.2 – 31.2V DC range)
• Isolation Voltage: 120V continuous (250V with 1794-TBN base)
• Accuracy: ±0.1% of full scale @ 25°C
• Conversion Rate: 2.5ms, 5.0ms, or 7.5ms per channel
• Operating Temperature: 0 to 55 °C (32 to 131 °F)

Compatible Terminal Bases

• This 1794-IF4I module works with these bases: 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, and 1794-TBN.

Shipping & Warranty Info

• This product includes a 12-month warranty.
• We ship worldwide using FedEx, UPS, and DHL.

Professional FAQs

• What signals can this module read?
  It can read many analog signals like 4-20mA, 0-10V, ±10V, and more.
• How do I configure the input type?
  You configure each channel’s input type (voltage or current) using the control software.
• What is the difference between unipolar and bipolar resolution?
  Unipolar (16-bit) is for positive signals (e.g., 0-10V). Bipolar (15-bit + sign) is for signals that can be positive or negative (e.g., ±10V).
• Can one module mix different signal types?
  Yes, each of the four channels can be individually configured for a different voltage or current range.
• Why is channel isolation important?
  Isolation protects the module from electrical noise and prevents problems in one channel from affecting the others.

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