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- Allen Bradley
- 1794-IV32
- ControlNet Flex I/O Adapter Module
- USA
- 94 mm × 136 mm × 66 mm
- 0.26kg
- Xiamen, China
- New & In Stock
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FLEX I/O 1794-IV32 Technical Profile
1. Product Overview
The 1794-IV32 is a high-density 24V DC discrete input module designed for industrial automation systems requiring large-scale digital signal acquisition in a compact form.
It provides 32 independent sourcing input channels, allowing efficient collection of field device status signals such as switches, sensors, interlocks, and relay contacts.
This module is part of a modular distributed I/O architecture used in machine control, process automation, and large industrial systems where wiring reduction and scalability are critical.
2. Brand and Product Classification
- Brand: Industrial automation control equipment manufacturer
- Product Type: Digital Input Module
- Series: FLEX I/O 1794 Series
- System Type: Distributed Remote I/O system
- Input Configuration: 24V DC sourcing inputs
- Channel Capacity: 32 points per module
- Mounting System: DIN rail terminal base structure
- Module Category: High-density discrete input module
3. Product Introduction
The 1794-IV32 is designed to interface directly with industrial field devices and convert 24V DC electrical signals into digital logic signals for control systems.
Each of the 32 channels is independently monitored and includes LED status indicators for real-time diagnostics and maintenance support.
The module integrates into a FLEX I/O distributed system, enabling decentralized signal acquisition close to the process, reducing cabling complexity and improving system reliability.
It is commonly used in applications where a high number of digital inputs must be monitored in a compact control cabinet.
4. Technical Parameters
4.1 Electrical Parameters
| Parameter | Specification |
|---|---|
| Input Channels | 32 discrete inputs |
| Input Type | 24V DC sourcing |
| Nominal Voltage | 24V DC |
| Input Voltage Range | 19.2 – 31.2V DC |
| On-state Voltage | 24V DC |
| Off-state Voltage | ~5V DC |
| Input Current | 4.1 mA typical @ 24V DC |
| Minimum On Current | 2.0 mA |
| Maximum On Current | 6.0 mA |
| Input Filtering | 0.25 ms to 32 ms selectable |
| Backplane Current | ~40 mA @ 5.1V |
| Power Consumption | approx. 6 W |
4.2 Environmental Parameters
| Parameter | Specification |
|---|---|
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | -40 to 85 °C |
| Humidity | 5% to 95% non-condensing |
| Vibration Resistance | Industrial standard (up to 5 g) |
| Shock Resistance | Up to 30 g |
| Pollution Level | Industrial Pollution Degree 2 |
4.3 Mechanical Parameters
| Parameter | Specification |
|---|---|
| Width | 94 mm |
| Height | 94 mm |
| Depth | 69 mm |
| Weight | approx. 0.26 kg |
| Mounting Type | DIN rail / modular terminal base |
| Wiring Method | Screw terminal base system |
| Housing Type | Compact industrial module housing |
5. Product Applications
The 1794-IV32 is widely used in large-scale automation systems requiring dense digital input acquisition:
- High-speed production lines
- Automotive manufacturing systems
- Conveyor and logistics automation
- Packaging and sorting systems
- Industrial machine status monitoring
- Pump and compressor control systems
- Safety interlock and emergency shutdown systems
- Power plant auxiliary systems
- Building automation and HVAC control
- Process industry signal monitoring
It is especially suitable for systems requiring large input point concentration with reduced cabinet space.
6. Product Advantages
6.1 Ultra-High Channel Density
32 input points in a single module significantly reduce cabinet footprint and wiring workload.
6.2 Stable Industrial Signal Processing
Designed for reliable operation in electrically noisy industrial environments.
6.3 Fast Response Time
Supports fast digital signal detection suitable for dynamic industrial processes.
6.4 Modular System Integration
Can be combined with other FLEX I/O modules for mixed signal architectures.
6.5 Built-in Diagnostics
Each channel has LED indicators for fast fault detection and system monitoring.
6.6 Flexible Input Filtering
Adjustable filtering allows adaptation to different signal response requirements.
6.7 Reduced Wiring Complexity
Distributed architecture minimizes long-distance wiring between field devices and control systems.
7. Product Series Overview
- Series Name: FLEX I/O 1794 Series
- Architecture: Distributed modular I/O platform
- Function: Remote digital and analog signal acquisition
- System Features:
- Modular expansion capability
- Mixed signal support (digital, analog, specialty modules)
- Terminal base flexibility
- Scalable system architecture
- Industrial rugged design
8. Recommended Related Models (Same Series or Similar)
FLEX I/O 1794 Series Digital & Related Modules
| Model | Description | Channels | Function Type | Voltage | Weight (kg) |
|---|---|---|---|---|---|
| 1794-IV16 | 16-point digital input module | 16 | Input | 24V DC | 0.09 |
| 1794-IB32 | 32-point sinking input module | 32 | Input | 24V DC | 0.25 |
| 1794-OB32P | Protected digital output module | 32 | Output | 24V DC | 0.28 |
| 1794-IA8 | AC input module | 8 | Input | 120/240V AC | 0.18 |
| 1794-IE8XT | Extended analog input module | 8 | Analog input | 4–20 mA | 0.20 |
9. Popular Models from Same Ecosystem
Widely Used FLEX I/O Modules
| Model | Description | Channels | Function Type | Voltage | Weight (kg) |
|---|---|---|---|---|---|
| 1794-IB16 | Standard digital input module | 16 | Input | 24V DC | 0.15 |
| 1794-OB16 | Digital output module | 16 | Output | 24V DC | 0.16 |
| 1794-IE8 | Analog input module | 8 | Signal measurement | 4–20 mA | 0.18 |
| 1794-OF8 | Analog output module | 8 | Signal output | 4–20 mA | 0.19 |
| 1794-AENTR | Ethernet communication adapter | — | Network interface | 24V DC | 0.22 |
10. Summary
The 1794-IV32 is a high-density industrial digital input module designed for large-scale signal acquisition in distributed automation systems.
Its core strengths include:
- 32-channel high-density input design
- Reliable 24V DC industrial signal handling
- Compact modular architecture
- Fast response and stable performance
- Easy system expansion and maintenance
It is widely used in industrial environments where efficient wiring, scalability, and high input point concentration are required.