Allen Bradley 1756-IB32 ControlLogix 32-Point DC Input Module
Allen Bradley 1756-IB32 ControlLogix 32-Point DC Input Module
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Brand:Allen Bradley PLC Item No.:Allen Bradley 1756-IB32 Product Origin:USA Product Dimensions:13.3 × 14.5 × 5.1 cm Product Weight:0.45 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 1756-IB32 is a high-density 24V DC digital input module engineered for the ControlLogix automation platform. Designed to maximize cabinet efficiency without compromising signal reliability, this module delivers 32 discrete input channels in a single-slot architecture, making it an ideal solution for large-scale industrial control systems.
Built for demanding automation environments, the 1756-IB32 offers fast response times, dependable signal processing, and seamless integration with modern ControlLogix controllers. Its compact yet powerful design helps manufacturers reduce panel space, simplify wiring structures, and improve overall system scalability.
From automotive production lines to process automation facilities, this module remains a popular choice for engineers seeking reliable high-density digital input performance.
Technical Specifications
Category
Specification
Product Type
DC Digital Input Module
Series
ControlLogix 1756
Input Channels
32 inputs
Input Groups
2 groups of 16 points
Input Voltage
12/24V DC Sink
Operating Voltage Range
10–31.2V DC
Nominal Voltage
24V DC
Backplane Current
120 mA @ 5.1V DC
Backplane Power
Approx. 0.66 W
Maximum Power Dissipation
6.2 W
Input Delay OFF → ON
380 µs + selectable filter
Input Delay ON → OFF
420 µs + selectable filter
Isolation
250V continuous, group isolated
Operating Temperature
0°C to 60°C
Dimensions (H × W × D)
13.3 × 14.5 × 5.1 cm
Weight
Approx. 0.30–0.45 kg
Compatible & Recommended Models
1756-OB32 High-Density DC Output Module
1756-IB16 Standard 16-Point Input Module
1756-EN2T EtherNet/IP Communication Module
1756-L83E ControlLogix 5580 CPU Module
1756-TBCH Removable Terminal Block Housing
Widely Used Allen Bradley Models
1756-IB32 32-Point Digital Input Module
1756-OB16 Digital Output Module
1756-L81E ControlLogix Controller
1756-EN2TR Redundant Ethernet Module
1734-IB8 POINT I/O Input Module
Industrial Applications
The 1756-IB32 is extensively deployed in automation systems requiring large numbers of digital inputs with stable performance:
Automated assembly lines
Packaging and labeling machinery
Conveyor and warehouse automation
Material handling systems
Automotive manufacturing plants
Process and utility control systems
Its high channel density makes it especially attractive for facilities looking to reduce rack footprint while maintaining robust field signal monitoring.
Key Advantages
High-density 32-point design reduces cabinet space requirements
Fast input response improves real-time automation accuracy
Flexible configurable filtering for signal optimization
Reliable operation in electrically noisy industrial environments
Simplifies large-scale digital I/O integration
Strong compatibility across the ControlLogix ecosystem
Proven long-term durability in continuous production environments
Technical FAQs
1. What is the primary purpose of the 1756-IB32?
It is used to receive and process 24V DC digital input signals within a ControlLogix system.
2. How many input channels are included?
The module supports 32 digital input channels.
3. What voltage range does it support?
It operates between 10 and 31.2V DC, nominally 24V DC.
4. How are the inputs grouped?
The module divides the inputs into two groups of sixteen points each.
5. Does the module provide channel isolation?
It provides group-to-group isolation but not isolation between individual channels.
6. What types of field devices can connect to it?
Sensors, pushbuttons, limit switches, proximity sensors, and other 24V DC devices.
7. What software is used for setup and configuration?
Studio 5000 Logix Designer.
8. Is it suitable for high-speed applications?
Yes, its fast response times and configurable filters support high-speed industrial automation tasks.
9. What is the approximate module weight?
Typically between 0.30 kg and 0.45 kg depending on revision and packaging.
10. Which industries commonly use the 1756-IB32?
Manufacturing, automotive, logistics, utilities, and process automation industries.