Products Description




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Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | Allen-Bradley 1794-L33 |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Series | FLEX I/O 1794 |
| Product Type | Processor Module (FLEX I/O Interface Processor) |
| Function | FLEX I/O system processor / adapter for control and communication |
| System Role | I/O communication and network interface controller |
| Supported I/O Modules | All FLEX I/O modules (digital, analog, specialty) |
| Communication Protocols | Dependent on configuration (e.g., Remote I/O, ControlNet, EtherNet/IP via system architecture) |
| Backplane Interface | FLEXBus interface for module communication |
| Power Supply | 24 VDC |
| Input Voltage Range | 19.2 to 31.2 VDC |
| Backplane Power Consumption | ~450–500 mA @ 5 VDC (typical system load dependent) |
| Power Dissipation | ~8–10 W |
| Diagnostics | System status, communication status LEDs |
| Programming / Configuration | Via PLC or control system (dependent on architecture) |
| Mounting Type | DIN rail |
| Enclosure Rating | IP20 |
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | -40 to 85 °C |
| Humidity | 5 to 95% non-condensing |
| Physical Dimensions (L × W × H) | 9.4 × 9.4 × 5.3 cm |
| Weight | ~0.25 kg |
FAQ
FAQ
Q1. What is the main function of the 1794-L33?
It is a FLEX I/O processor module used to manage communication and control between FLEX I/O modules and the main PLC or industrial network.
Q2. Does it directly process I/O signals?
No, it acts as an interface/processor; actual I/O processing is handled by connected FLEX I/O modules.
Q3. What systems does it support?
It supports FLEX I/O architectures including digital, analog, and specialty modules in distributed control systems.
Q4. What voltage does it require?
It operates on a 24 VDC power supply with a range of 19.2 to 31.2 VDC.
Q5. What is its role in a system architecture?
It serves as the communication and control backbone between field I/O modules and the PLC or industrial network.
Q6. Is it programmable?
It is not directly programmed like a PLC CPU, but it is configured through the control system it is integrated with.
Q7. What are its physical size and weight?
It measures approximately 9.4 × 9.4 × 5.3 cm and weighs about 0.25 kg.
Q8. What applications is it typically used for?
It is used in distributed automation systems where multiple FLEX I/O modules need centralized communication and control coordination, such as large-scale manufacturing and process control systems.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
