1794-IF2XOF2I

Product Overview

1794-IF2XOF2I is an Allen-Bradley FLEX I/O isolated analog input/output module, designed for precise analog signal processing with channel-to-channel isolation and factory calibration.

Module Identity

• Model: 1794-IF2XOF2I

• Product Type: Isolated Analog Input/Output Module

• Series: FLEX I/O (Bulletin 1794)

• Manufacturer: Allen-Bradley Rockwell

• Module Location: 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TB3T, 1794-TB3TS, or 1794-TBN terminal base

Electrical Characteristics

• Flexbus Voltage: 5 V DC

• Flexbus Current: 50 mA

• External DC Power Supply (nom): 24 V DC

• Voltage Range: 19.2…31.2 V DC (includes 5% AC ripple)

• External DC Power Supply Current: 180 mA @ 24 V DC

• Power Dissipation (max): 3.3 W @ 31.2 V DC

• Thermal Dissipation (max): 11.3 BTU/hr @ 31.2 V DC

Isolation & Safety

• Isolation Voltage:

  • 120 V continuous (Basic Insulation Type) with TB2, TB3, TB3S, TB3T, TB3TS

  • 250 V continuous (Basic Insulation Type) with TBPN

• Type Tested: 1000 V AC for 60 s

• Isolation Scope: Channel-to-channel, channel-to-user, channel-to-system, and user power-to-system

Indicators & Controls

• Status Indicator: 1 red/green power/status LED

• Keyswitch Position: 5

Calibration

• Factory-Calibrated Frequencies: 150 Hz, 300 Hz, 600 Hz

• Recalibration: Required when necessary

Conductor Specifications

• Conductor Category:

  • Category 2 on signal ports

  • Category 2 on power ports

• Conductor Wire Size: Determined by installed terminal base

• Wire Type: Shielded on signal ports

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