1794-IV32 | Allen-Bradley | FLEX I/O 32-Channel Digital Input Unit

Overview
The Allen-Bradley 1794-IV32 is a high-density FLEX I/O digital input module featuring 32 independent channels. Designed for reliable signal acquisition, it delivers precise monitoring and fast system integration for modular automation networks. This module is suitable for environments requiring large-scale input collection with high reliability.

Technical Specifications

• Manufacturer: Allen-Bradley

• Model / Part Number: 1794-IV32

• Product Type: FLEX I/O 32-Point Digital Input Module

• Number of Inputs: 32 digital points

• Input Type: Current sinking (standard for FLEX I/O digital inputs)

• Recommended Terminal Bases: Compatible with 1794-TB32, 1794-TB32S, 1794-TB62DS, 1794-TB62EXD4X15

• Nominal Input Impedance: 3.1 kΩ

• Isolation Voltage: 50 V continuous, Basic insulation; tested at 2121 V DC for 2 s (field side to system)

• Channel Isolation: No isolation between individual inputs

• FlexBus Current: 30 mA @ 5 V DC typical

• Max Power Dissipation: 9 W @ 31.2 V DC

• Thermal Dissipation: Max 30 BTU/hr @ 31.2 V DC

• Indicators: 32 yellow ON/OFF LEDs for field status monitoring

• Dimensions (HxWxD): Approx. 4.57 × 9.4 × 5.33 cm

• Shipping Weight: 1.5 kg

• Operating Temperature: Standard FLEX I/O range (-20°C to 70°C typical)

Applications
Ideal for collecting large-scale digital input signals in distributed control systems, manufacturing automation, and process monitoring. The high-density input channels make it suitable for modular FLEX I/O networks where space efficiency and reliable data acquisition are critical.

FAQ
Q: How many digital inputs are supported by 1794-IV32?
A: The module supports 32 independent sinking digital input points.

Q: Can it isolate each input channel?
A: No, individual channels are not isolated; isolation is provided only between the field and system.

Q: Which terminal bases are compatible?
A: Compatible with 1794-TB32, 1794-TB32S, 1794-TB62DS, and 1794-TB62EXD4X15.