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- Allen Bradley
- 1756-IV16
- ControlLogix ControlNet Communication Module
- USA
- 14.5 × 11.2 × 5.6 cm
- 0.09kg
- Xiamen, China
- New & In Stock
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1756-IV16 Detailed Product Overview
Product Introduction
The 1756-IV16 is a high-density digital DC input module designed for industrial automation systems requiring reliable signal acquisition from field devices such as switches, sensors, and relays. It belongs to the ControlLogix platform and is widely used in discrete control applications.
This module provides 16 digital input channels, supporting 12/24V DC signals, and is designed for high-speed and stable input detection in industrial environments. It is commonly used in machine control systems, production lines, and safety monitoring applications where accurate digital status reading is required.
The 1756-IV16 is engineered for harsh industrial environments with strong electromagnetic interference, vibration, and temperature variation, ensuring stable performance in continuous operation systems.
Brand Information
| Item | Details |
|---|---|
| Brand | Allen Bradley |
| Product Category | Digital DC Input Module |
| Product Type | ControlLogix Discrete Input Module |
| Platform | ControlLogix |
| Installation Method | Chassis Mounted |
| Main Function | Digital Signal Acquisition |
| Application Field | Industrial Automation |
| Signal Type | DC Digital Input |
Product Series Overview
ControlLogix Series
The 1756-IV16 belongs to the ControlLogix modular automation platform, designed for high-performance industrial control systems requiring flexibility and scalability.
This platform is widely used in manufacturing and process industries where distributed control and reliable I/O data acquisition are required.
Key capabilities include:
- Discrete and process control
- Digital and analog I/O integration
- High-speed signal processing
- Motion control systems
- Safety integration
- Industrial communication networks
- Real-time diagnostics
- Modular expansion architecture
ControlLogix systems are widely used in large-scale industrial automation environments.
Product Features
1. 16-Channel High-Density Input
Provides 16 digital input points in a single module, improving system density and reducing cabinet space requirements.
2. Wide DC Voltage Range
Supports 10–30V DC input range, compatible with standard industrial sensors and switches.
3. Fast Response Time
Provides fast signal detection with response times as low as 280 microseconds for high-speed applications.
4. Group Isolation Design
Inputs are divided into groups of 8 channels with electrical isolation to improve stability and safety.
5. Built-in Filtering
Selectable input filtering allows adjustment of signal delay for noise reduction and stability.
6. Diagnostic Capabilities
Supports fault detection and status monitoring for improved maintenance efficiency.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 1756-IV16 |
| Product Type | Digital DC Input Module |
| Series | ControlLogix |
| Input Channels | 16 Inputs (2 groups of 8) |
| Input Voltage Range | 10–30V DC |
| Nominal Voltage | 12/24V DC |
| Operating Current | 2–10 mA per channel |
| Off-State Leakage | ≤ 1.5 mA |
| Input Impedance | ~3.2 kΩ |
| Input Delay Time | 0.28 ms – 2 ms + filter |
| Backplane Current (5V) | 110 mA |
| Backplane Current (24V) | 2 mA |
| Power Dissipation | 5.41 W @ 60°C |
| Isolation Voltage | 250 V continuous (group isolation) |
| Input Type | Current sourcing |
| Mounting Method | Chassis mount |
| Wiring Type | Removable Terminal Block |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5%–95% non-condensing |
| Response Time | 0.28–19 ms configurable |
| Dimensions | 14.5 × 11.2 × 5.6 cm |
| Weight kg（ ） | 0.09 kg |
Product Applications
Machine Automation Systems
Used for monitoring machine status signals such as limit switches and proximity sensors.
Conveyor Systems
Applied in detecting product movement, position sensors, and system interlocks.
Industrial Production Lines
Used for real-time monitoring of machine inputs and operational states.
Safety Interlock Systems
Supports safety signal detection for emergency stop and protective circuits.
Process Control Systems
Used in discrete signal monitoring within process automation environments.
Packaging and Material Handling
Supports sensor-based control for automated packaging and logistics systems.
Product Advantages
High Channel Density
16 inputs in a compact module reduce system size and wiring complexity.
Fast Signal Response
Suitable for high-speed industrial automation applications.
Strong Electrical Isolation
Group isolation improves system safety and reduces noise interference.
Flexible Input Filtering
Allows tuning of response time based on application requirements.
Reliable Industrial Design
Built for continuous operation in harsh industrial environments.
Easy System Integration
Designed for seamless integration into ControlLogix architecture.
Recommended Related Models (Same Series)
| Model | Product Type | Key Feature | Channels | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-IA16 | AC Input Module | 120V AC inputs | 16 | 14.5 × 11.2 × 5.6 cm | 0.10 kg |
| 1756-IM16I | DC Input Module | Isolated DC inputs | 16 | 14.5 × 11.2 × 5.6 cm | 0.10 kg |
| 1756-IB16 | DC Sink Input | Standard DC input | 16 | 14.5 × 11.2 × 5.6 cm | 0.09 kg |
| 1756-IF16 | Analog Input Module | Analog signal acquisition | 16 | 14.5 × 11.2 × 5.6 cm | 0.48 kg |
| 1756-OW16I | Relay Output Module | Discrete output control | 16 | 14.5 × 11.2 × 5.6 cm | 0.40 kg |
Popular Models from Same Brand
| Model | Product Type | Function | Communication | Dimensions | Weight kg（ ） |
|---|---|---|---|---|---|
| 1756-L81E | PLC Controller | System 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 the module in a properly grounded ControlLogix chassis with stable ventilation.
Ensure correct wiring polarity for DC input signals to avoid incorrect readings.
Use shielded cables in high-interference environments for improved signal stability.
Summary
The 1756-IV16 is a high-density digital DC input module designed for industrial automation systems requiring fast and reliable signal acquisition.
Its 16-channel architecture, wide voltage range, fast response time, and strong isolation make it suitable for demanding discrete control applications.
It is widely used in machine automation, production systems, and industrial process monitoring where stable digital input performance is essential for system reliability.