1794-IB32

Overview

Allen-Bradley 1794-IB32 is a FLEX I/O digital input module with 32 sinking inputs. It is designed for reliable signal acquisition in distributed control systems and supports flexible installation with FLEX I/O terminal bases.

Input Specifications

• Number of inputs: 32 (current, sinking type)

• On-state voltage:

  • Minimum: 19.2 V DC

  • Nominal: 24 V DC

  • Maximum: 31.2 V DC

• On-state current:

  • Minimum: 2.0 mA

  • Nominal: 4.1 mA

  • Maximum: 6.0 mA

• Off-state voltage (max): 5.0 V DC

• Off-state current (max): 1.5 mA

• Nominal input impedance: 22.2 kΩ

Isolation and Protection

• Isolation voltage: 50 V continuous (Basic Insulation Type)

• Type tested: 2121 V DC for 2 seconds (between field side and system)

• Channel isolation: None (no isolation between individual channels)

Power Specifications

• Flexbus current: 25 mA @ 5 V DC

• Power dissipation (max): 6.0 W @ 31.2 V DC

• Thermal dissipation (max): 20.47 BTU/hr @ 31.2 V DC

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