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Allen Bradley 1794-OB32P Flex I/O Digital DC Output Module
- Product Details
- FAQs
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- Packing & Delivery
- Product Ratings
Product Introduction
The Allen-Bradley 1794-OB32P FLEX I/O Digital DC Output Module is a high-density discrete output module designed for distributed I/O architectures in modern industrial automation systems. As part of the FLEX I/O series from Rockwell Automation, it delivers reliable 24V DC sourcing outputs for controlling field devices such as relays, solenoids, and indicator lamps.
The module integrates 32 independent output channels within a compact form factor, allowing engineers to maximize I/O density while minimizing panel space. Its distributed I/O capability enables installation close to field devices, significantly reducing wiring complexity and improving overall system efficiency.
Designed with electronic protection and industrial durability in mind, the 1794-OB32P ensures stable performance under demanding operating conditions. Its open-style construction supports effective heat dissipation, while DIN rail mounting simplifies installation and maintenance in control cabinets.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | Digital DC Output Module |
| Series | FLEX I/O |
| Manufacturer | Rockwell Automation |
| Model Number | 1794-OB32P |
| Number of Channels | 32 Outputs |
| Output Type | Current Sourcing |
| Rated Voltage | 24 VDC |
| Output Configuration | Discrete |
| Protection | Electronically Protected (Short-circuit & Overload) |
| Mounting Method | DIN Rail Mount |
| Housing Type | Open Style |
| Ingress Protection | IP20 |
| Isolation | Channel-to-bus isolation |
| Response Time | Fast switching suitable for control applications |
| Wiring Configuration | Compatible with FLEX I/O terminal bases |
| Dimensions | 94 x 46 x 53 mm |
| Weight | 0.085 kg |
Applications
● Used in industrial automation systems for controlling discrete actuators such as relays, solenoid valves, and indicator lights
● Ideal for distributed I/O architectures, reducing long cable runs and simplifying field wiring
● Applied in manufacturing lines, including assembly, packaging, and material handling systems
● Suitable for process control environments requiring stable and reliable DC output switching
● Integrated into PLC-based control systems, especially within ControlLogix and CompactLogix platforms
● Common in machine automation, including conveyors, robotic interfaces, and automated inspection equipment
Advantages
● 32-channel high-density design reduces module count and saves control cabinet space
● Built-in electronic protection improves reliability and prevents damage from short circuits and overloads
● Flexible system architecture allows remote installation closer to field devices, lowering wiring costs
● Fast response capability supports time-critical control applications
● DIN rail mounting ensures quick installation and easy maintenance
● Strong compatibility with FLEX I/O systems enables seamless integration into existing Rockwell platforms
● Efficient thermal design with open-style housing enhances heat dissipation and long-term stability
FAQ
-
How does the sourcing output configuration impact system compatibility?
Sourcing outputs supply positive voltage to the load, so the connected devices must be designed as sinking inputs to ensure proper operation. -
What kind of protection is implemented in this module?
The module includes electronic protection that automatically limits current during overload or short-circuit conditions to prevent hardware damage. -
Can this module handle inductive loads such as solenoids?
Yes, it is designed to control inductive loads, but proper suppression components such as flyback diodes are recommended. -
How is the module integrated into a control system?
It connects to a FLEX I/O terminal base and communicates through a network adapter that interfaces with the PLC. -
Does the module support diagnostic feedback?
Yes, diagnostic information can be accessed through the controller depending on the system configuration and communication adapter. -
What happens when a channel experiences a fault condition?
The affected channel is protected electronically and may be temporarily disabled until the fault is cleared. -
Is the module suitable for high-frequency switching applications?
It supports relatively fast switching speeds suitable for most industrial discrete control applications. -
How does the open-style housing benefit performance?
It improves airflow and heat dissipation, helping maintain stable operation under continuous load conditions. -
Are channels individually controlled?
Yes, each of the 32 output channels can be independently controlled by the PLC. -
What wiring considerations should be taken into account?
Proper grounding, correct polarity, and appropriate load matching are essential to ensure stable and safe operation.
Related Models
| Model | Channels | Voltage | Output Type | Description |
|---|---|---|---|---|
| 1794-OB16 | 16 | 24 VDC | Sourcing | Standard digital output module |
| 1794-OB16P | 16 | 24 VDC | Sourcing | Protected output module |
| 1794-OB8 | 8 | 24 VDC | Sourcing | Compact output module |
| 1794-OV32 | 32 | 24 VDC | Sinking | High-density sinking output module |
| 1794-IB32 | 32 | 24 VDC | Input | Digital input module |
| 1794-IE8 | 8 | Analog | Input | Analog input module |
Popular Models
| Model | Type | Channels | Voltage | Application |
|---|---|---|---|---|
| 1794-IB16 | Digital Input | 16 | 24 VDC | General input monitoring |
| 1794-OB16 | Digital Output | 16 | 24 VDC | Standard output control |
| 1794-IE8 | Analog Input | 8 | ±10V / 4-20mA | Process signal acquisition |
| 1794-OE4 | Analog Output | 4 | 4-20mA | Process control output |
| 1794-IF8IH | Analog Input | 8 | HART | Smart instrumentation integration |
| 1794-IT8 | Temperature Input | 8 | RTD/Thermocouple | Temperature monitoring |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
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