Allen Bradley 1794-IJ2 Flex I/O Input Frequency Module
Allen Bradley 1794-IJ2 Flex I/O Input Frequency Module
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Brand:Allen Bradley PLC Item No.:1794-IJ2 Product Origin:USA Product Dimensions:94 x 46 x 53 mm Product Weight:0.1 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Allen-Bradley 1794-IJ2 Flex I/O Input Frequency Module is a high-performance industrial signal processing module designed for precise frequency and pulse measurement in automation systems. As part of the FLEX I/O family, it enables distributed I/O architecture with reliable high-speed data acquisition.
Engineered for demanding industrial environments, the module ensures stable operation under electrical noise and continuous duty conditions. Its dual-channel design allows simultaneous monitoring of multiple frequency sources, making it suitable for complex automation tasks requiring synchronized measurement.
The 1794-IJ2 is widely adopted in PLC-based control systems where accurate real-time frequency interpretation is critical for process efficiency and equipment control.
Technical Specifications
Parameter
Specification
Product Model
1794-IJ2
Product Type
Flex I/O Frequency Input Module
Manufacturer
Allen-Bradley
Input Channels
2
Signal Type
Frequency / Pulse Input
Max Input Frequency
Up to 32 kHz
Supply Voltage
24 V DC
Mounting Type
DIN Rail (Flex I/O Base)
Dimensions (W × H × D)
94 × 46 × 53 mm
Weight
0.1 kg (0.22 lb)
Industrial Applications
The Allen-Bradley 1794-IJ2 Flex I/O Input Frequency Module is designed for high-speed frequency and pulse signal acquisition in distributed automation systems. It is used to convert industrial pulse signals into reliable digital data for control and monitoring applications within Flex I/O architectures.
Typical applications include:
High-speed flow measurement systems
Encoder-based speed and position monitoring
Industrial motor speed feedback control
Conveyor belt speed detection systems
Packaging machine synchronization
Turbine and rotating equipment monitoring
Production line timing and cycle control
General-purpose frequency counting in PLC systems
This module is widely used in automation environments where accurate frequency detection and fast signal processing are required.
Key Advantages
Dual-channel high-speed frequency input capability
Supports up to 32 kHz input frequency range
Compatible with FLEX I/O distributed control systems
Reliable pulse and encoder signal processing
Robust industrial design for harsh environments
Flexible integration with Allen-Bradley PLC architectures
Accurate real-time frequency measurement
Compact modular design for DIN rail installation
Technical FAQs
1. What is the main function of the 1794-IJ2 module?
It measures and processes high-speed frequency or pulse signals for PLC-based control systems.
2. How many input channels does it support?
It supports 2 frequency input channels.
3. What is the maximum input frequency?
Up to 32 kHz depending on signal type.
4. Can it be used with encoders?
Yes, it is commonly used for incremental encoder signal processing.
5. Is it compatible with Flex I/O systems?
Yes, it is part of the Allen-Bradley FLEX I/O platform.
6. What type of signals can it read?
It supports sine wave and square wave frequency signals.
7. Can it be used for speed measurement?
Yes, it is widely used for motor and conveyor speed monitoring.
8. Does it support industrial isolation?
Yes, it provides isolated output channels for reliable operation.
9. What communication system does it integrate with?
It integrates within Allen-Bradley PLC systems via Flex I/O adapters.
10. What industries commonly use this module?
Manufacturing, packaging, automotive, and process automation industries.
