Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | Allen-Bradley 1791-24A8 |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Series | 1791 Block I/O |
| Product Type | Remote I/O Block Module |
| Function | 24-point AC input + 8-point AC output block I/O module |
| System Architecture | Remote I/O (scanner-based PLC integration) |
| Input Channels | 24 points |
| Output Channels | 8 points |
| Input Type | 120 VAC discrete inputs |
| Input Voltage Range | 79 to 132 VAC |
| Input Current | ~12.3 mA @ 132 VAC (typical) |
| Output Type | 120 VAC discrete outputs |
| Output Voltage Range | 20 to 132 VAC |
| Output Groups | 1 group of 8 outputs |
| Power Supply | 85–132 VAC external supply |
| Power Consumption | ~18.76 W max |
| Thermal Dissipation | ~63.97 BTU/hr max |
| Isolation | Industrial-grade isolation between I/O and logic |
| Communication | Allen-Bradley Remote I/O (RIO) |
| Mounting Type | Panel mount (vertical or horizontal) |
| Operating Temperature | 0 to 55 °C |
| Storage Temperature | -40 to 85 °C |
| Humidity | 5 to 95% non-condensing |
| Physical Dimensions (L × W × H) | 17.65 × 11.05 × 9.80 cm (approx.) |
| Weight | ~0.85–1.0 kg |
FAQ
FAQ
Q1. What is the main function of the 1791-24A8?
It is a Remote I/O block module used to collect 24 AC inputs and control 8 AC outputs in distributed PLC systems.
Q2. What type of systems does it work with?
It is used with Allen-Bradley PLC systems supporting Remote I/O architecture, such as PLC-2, PLC-3, PLC-5, and SLC systems.
Q3. What voltage levels does it handle?
It operates with 120 VAC field signals for both inputs and outputs.
Q4. How is it connected to a PLC?
It communicates via Allen-Bradley Remote I/O (RIO) using a scanner module in the PLC.
Q5. How many total I/O points does it have?
It provides 32 total points: 24 inputs and 8 outputs.
Q6. What kind of applications is it used for?
It is commonly used in industrial automation systems such as legacy machinery, factory control panels, and distributed I/O systems.
Q7. What is its power requirement?
It requires an external 85–132 VAC power supply.
Q8. What are its size and weight?
It measures approximately 17.65 × 11.05 × 9.80 cm and weighs around 0.85–1.0 kg.
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.
