Allen Bradley 1719-IJ 1719 Ex I 1-Channel Frequency Counter Module 1719IJ

Description:

The Allen-Bradley 1719-IJ FLEXHA 5000 Ex I/O 1-Channel Frequency Counter Module is used in Allen-Bradley FLEXHA 5000 intrinsically safe distributed I/O systems for monitoring pulse and frequency signals from hazardous area field devices. Commonly installed in oil and gas facilities, chemical plants, water treatment systems, and process skids requiring safe signal acquisition from flow meters, speed sensors, and pulse transmitters. Maintenance teams and system integrators use this module for hazardous area control system repairs, I/O expansion, retrofit projects, and replacement of failed frequency input modules.

Applications:

The Allen-Bradley 1719-IJ frequency counter module is widely used in hazardous industrial automation systems where accurate pulse and frequency monitoring is essential. It is commonly applied for turbine flow meters, proximity speed sensors, encoder feedback, and pulse output transmitters in refineries, offshore platforms, chemical dosing systems, and process control environments requiring intrinsically safe field signal monitoring.

Technical Specifications:

• Manufacturer Part Number (MPN): 1719-IJ
• Product Type: FLEXHA 5000 Ex I/O Frequency Counter Module
• Brand: Allen-Bradley
• Series: FLEXHA 5000 Ex I/O
• Input Channels: 1 frequency / pulse input channel
• Input Type: Frequency / pulse counter input
• Signal Compatibility: Pulse transmitters and frequency devices
• Hazardous Area Rating: Intrinsically safe system support
• Communication: FLEXHA 5000 backplane communication
• Mounting Type: DIN rail mounted
• Module Compatibility: FLEXHA 5000 Ex I/O platform
• Status Indicators: Module and channel diagnostic LEDs
• Isolation: Channel-to-system isolation support
• Application: Frequency and pulse signal monitoring
• Industrial Use: Flow monitoring, speed sensing, pulse counting

Common Replacements:

• Allen-Bradley 1719-IF4HB FLEXHA 5000 Ex Analog Input Module
• Allen-Bradley 1719-IBN8B FLEXHA 5000 Ex Digital Input Module
• Allen-Bradley 1719-AENTR FLEXHA 5000 Ex EtherNet/IP Adapter Module