1794-IP4

Product Overview

The 1794-IP4 is an Allen-Bradley FLEX I/O pulse counter module designed for high-speed counting applications with four input channels.

Module Identity

• Model: 1794-IP4

• Product Type: FLEX I/O Pulse Counter Module

• Manufacturer: Allen-Bradley Rockwell

• Number of Inputs: 4 channels (2 groups of 2)

• Pulse Counter Interfaces: 4

Input Specifications

• Minimum Pulse Width: 2 µs

• Input Frequency: 100 kHz

• Terminal Base Compatibility: 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBN, 1794-TBKD

• ON State Voltage: Min 6 V DC, Nom 24 V DC, Max 26.4 V DC

• Input Current: 3 mA @ 6 V DC

• Input ON Range: 6–26.4 V DC

• Input OFF Range: -26.4 to 3 V DC max

Electrical Characteristics

• Flexbus Current: 5 mA @ 5 V DC

• Isolation Voltage: 500 V DC

• Power Dissipation (max): 5 W @ 26.4 V DC

• Thermal Dissipation (max): 17.1 BTU/hr @ 26.4 V DC

Environmental Ratings

• Operating Temperature: 0 to 55 °C (32 to 131 °F)

• Storage Temperature: -40 to 85 °C (-40 to 185 °F)

• Vibration: 5 g @ 10–500 Hz

• Operating Shock: 30 g

Mechanical Data

• Enclosure: Open-type

• Enclosure Type Rating: None (open-style)

• Mounting: DIN Rail

• Wire Size: Determined by installed terminal base

Indicators

• Status: Inputs 2 per interface

Physical Data

• Weight: 0.25 kg

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