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- Allen Bradley
- 1756-IV32
- ControlLogix ControlNet Communication Module
- USA
- 30.0 × 3.8 × 11.1 cm
- 1kg
- Xiamen, China
- New & In Stock
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1756-IV32 Detailed Product Overview
Product Introduction
The 1756-IV32 is a high-density digital DC input module designed for industrial automation systems requiring reliable acquisition of discrete signals such as switches, sensors, limit switches, and relay contacts. It belongs to the ControlLogix platform and is widely used in large-scale machine control and process automation systems.
This module provides 32 digital input channels, making it suitable for applications that require dense signal collection in a compact chassis configuration. The inputs are organized into grouped channels to improve wiring efficiency and system stability.
The 1756-IV32 is widely used in manufacturing automation, packaging systems, material handling, automotive production lines, and process control environments where fast and stable digital signal reading is required.
It is designed for continuous industrial operation with strong resistance to electrical noise, voltage fluctuations, and mechanical vibration.
Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Category | Digital DC Input Module |
| Product Type | High-Density Discrete Input Module |
| Platform | ControlLogix |
| Installation Method | Chassis Mounted |
| Main Function | Digital Signal Acquisition |
| Application Field | Industrial Automation Systems |
| Signal Type | DC Digital Input |
Product Series Overview
ControlLogix Series
The 1756-IV32 belongs to the ControlLogix modular automation system, designed for scalable and high-performance industrial control applications.
This platform is widely used in both process industries and discrete manufacturing environments where reliable I/O communication and system flexibility are required.
Key capabilities include:
- High-density digital input/output control
- Process and machine automation integration
- Distributed control architecture
- High-speed signal processing
- Industrial communication networking
- Safety and diagnostic integration
- Modular system expansion
- Real-time system monitoring
The ControlLogix platform is commonly used in large industrial plants requiring continuous operation and high reliability.
Product Features
1. 32-Channel High-Density Input Design
The module provides 32 digital input channels in a single slot, significantly reducing cabinet space and wiring complexity.
2. Grouped Input Architecture
Inputs are typically divided into multiple groups (commonly 2 × 16 or 4 × 8 depending on configuration), improving isolation and signal stability.
3. Wide DC Voltage Range
Supports industrial standard DC input signals, typically 10–30V DC, compatible with most sensors and switches.
4. Fast Response Time
Provides fast signal detection suitable for high-speed industrial automation applications such as packaging and assembly lines.
5. Electrical Isolation
Group-to-group and backplane isolation helps protect the system from electrical noise and transient voltage spikes.
6. Built-in Diagnostics
Supports channel-level diagnostics for improved maintenance and fault detection.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-IV32 |
| Product Type | Digital DC Input Module |
| Series | ControlLogix |
| Input Channels | 32 Inputs |
| Input Voltage Range | 10–30V DC |
| Nominal Voltage | 12/24V DC |
| Input Configuration | Grouped inputs (16 points/group typical) |
| Input Type | Sinking / Sourcing DC Inputs |
| On-State Voltage | ≥10V DC |
| Off-State Voltage | ≤5V DC |
| Input Current | ~2–3.5 mA per channel |
| Backplane Current (5V) | 120–220 mA |
| Backplane Current (24V) | ~2 mA |
| Power Dissipation | 4.1–5 W typical |
| Isolation Voltage | 250V continuous (group isolation) |
| Response Time | ~0.3 ms ON / ~0.5–2 ms OFF + filter |
| Filtering Options | Configurable digital filtering |
| Wiring Method | Removable Terminal Block |
| Mounting Type | Chassis mount |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity Range | 5%–95% non-condensing |
| Noise Immunity | Industrial EMI resistant design |
| Diagnostics | Channel status monitoring |
| Dimensions | 30.0 × 3.8 × 11.1 cm |
| Weight kg（ ） | 1.0 kg |
Product Applications
Industrial Automation Systems
Used for collecting large numbers of digital signals in automated production environments.
Automotive Manufacturing
Applied in robotic assembly lines, conveyor systems, and machine monitoring.
Packaging Machinery
Used for high-speed detection of product position, presence, and process status.
Material Handling Systems
Supports conveyor control, sorting systems, and warehouse automation.
Process Industry Monitoring
Used for monitoring valves, switches, and safety interlocks in process plants.
Machine Control Systems
Provides real-time input status for PLC-based machine logic control.
Product Advantages
Ultra High Input Density
32 channels in one module significantly reduce system size and wiring cost.
Strong Industrial Reliability
Designed for continuous operation in harsh environments.
Flexible Signal Handling
Compatible with standard industrial DC input devices.
Stable Signal Performance
High immunity to electrical noise ensures reliable input detection.
Easy System Integration
Seamless integration with ControlLogix architecture.
Diagnostic Capability
Supports fast troubleshooting and maintenance efficiency.
Recommended Related Models (Same Series)
| Model | Product Type | Key Feature | Channels | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-IV16 | Digital DC Input Module | 16-channel input | 16 | 14.5 × 11.2 × 5.6 cm | 0.09 kg |
| 1756-IA16 | AC Input Module | 120V AC input | 16 | 14.5 × 11.2 × 5.6 cm | 0.10 kg |
| 1756-IM16I | Isolated DC Input | Enhanced isolation | 16 | 14.5 × 11.2 × 5.6 cm | 0.10 kg |
| 1756-IB32 | DC Sink Input Module | 32-channel DC input | 32 | 30.0 × 3.8 × 11.1 cm | 1.05 kg |
| 1756-IF16 | Analog Input Module | Analog signal acquisition | 16 | 14.5 × 11.2 × 5.6 cm | 0.48 kg |
Popular Models from Same Brand
| Model | Product Type | Function | Communication | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-L81E | PLC Controller | Main processor | EtherNet/IP | 15.2 × 14.0 × 5.5 cm | 0.62 kg |
| 1756-EN2TR | Ethernet Module | Network communication | EtherNet/IP | 14.5 × 11.2 × 5.6 cm | 0.50 kg |
| 1734-AENTR | Remote I/O Adapter | Distributed I/O | EtherNet/IP | 13.2 × 7.5 × 5.0 cm | 0.30 kg |
| 2711P-T10C4D8 | HMI Panel | Operator interface | Ethernet/USB | 27.1 × 21.1 × 6.0 cm | 1.80 kg |
| 25B-D017N104 | VFD Drive | Motor control | EtherNet/IP | 35.0 × 21.6 × 18.0 cm | 4.90 kg |
Installation Notes
Install in a properly grounded ControlLogix chassis with stable ventilation conditions.
Use shielded wiring to reduce electromagnetic interference in industrial environments.
Ensure proper terminal block seating to avoid intermittent signal issues.
Summary
The 1756-IV32 is a high-density 32-channel digital DC input module designed for large-scale industrial automation systems.
Its compact design, strong isolation, fast response time, and high channel density make it ideal for complex machine control and process monitoring applications.
It is widely used in manufacturing, packaging, automotive, and process industries where reliable digital input acquisition is essential for stable system operation.