



The Allen Bradley 1794-IB32 is a FLEX I/O 32-point digital input module engineered for high-density 24V DC signal acquisition in industrial automation systems. Designed for distributed I/O architectures, this module delivers reliable monitoring of sensors, switches, push buttons, and other field devices while minimizing panel space and simplifying wiring layouts.
With 32 sinking input channels in a compact FLEX I/O footprint, the 1794-IB32 is widely used in machine automation, material handling systems, process control, and large-scale manufacturing applications where efficient input management and scalable system design are essential.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Model Number | 1794-IB32 |
| Product Family | FLEX I/O |
| Module Type | 32-Point Digital Input Module |
| Input Channels | 32 sinking digital inputs |
| Nominal Input Voltage | 24V DC |
| Input Voltage Range | 19.2–31.2V DC |
| ON-State Voltage | 19.2–31.2V DC |
| OFF-State Voltage | Max 5V DC |
| Input Current | 2–6 mA per channel |
| Input Impedance | 22.2 kΩ |
| FlexBus Current Draw | Approx. 25–30 mA @ 5V DC |
| Power Dissipation | Max 6.0 W |
| Isolation Voltage | 50V continuous, tested at 2121V DC |
| Channel Isolation | No isolation between individual channels |
| Indicators | 32 yellow status LEDs |
| Compatible Terminal Bases | 1794-TB32, 1794-TB32S, 1794-TB62DS |
| Mounting Type | DIN rail / panel mount |
| Operating Temperature | 0°C to 55°C |
| Enclosure Type | Open-style (IP20) |
Physical Dimensions & Weight (L × W × H Combined)
| Parameter | Specification |
|---|---|
| Dimensions (L × W × H) | 94 × 94 × 69 mm |
| Weight | Approx. 0.10 kg |
Recommended Related Models
The 1794-IB32 is frequently integrated with FLEX I/O communication adapters and complementary I/O modules for scalable automation systems.
| Related Model | Description |
|---|---|
| 1794-OB32P | 32-point protected output module |
| 1794-IB16 | 16-point digital input module |
| 1794-OB16 | 16-point digital output module |
| 1794-IE8 | Analog input module |
| 1794-OE4 | Analog output module |
| 1794-TB32 | Terminal base unit |
| 1794-TB32S | Spring-clamp terminal base |
| 1794-AENT | EtherNet/IP adapter |
| 1794-AENTR | Redundant EtherNet/IP adapter |
| 1794-ACN15 | ControlNet communication adapter |
Popular Allen Bradley Models
Allen Bradley automation products are trusted worldwide for industrial reliability, long-term lifecycle support, and flexible integration capabilities.
| Popular Model | Product Category |
|---|---|
| 1756-L85E | ControlLogix Controller |
| 1769-L36ERM | CompactLogix Controller |
| 5069-IF8 | Analog Input Module |
| 2711P-T12C4D8 | PanelView Plus HMI |
| 20G11NC072AA0NNNNN | PowerFlex 755 AC Drive |
| 1734-AENTR | POINT I/O EtherNet/IP Adapter |
| 1606-XLS240E | Industrial Power Supply |
| 1756-EN2TR | EtherNet/IP Communication Module |
| 1794-IE8 | FLEX I/O Analog Module |
| 25B-D013N114 | PowerFlex 525 Drive |