Products Description
| Company Information | |||
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| Mobile | +8613950166376 | ||
| +8613950166376 | |||
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Technical Specifications
| Parameter | Details |
|---|---|
| Product Name | Allen-Bradley 1794-OA8 |
| Manufacturer | Rockwell Automation (Allen-Bradley) |
| Series | FLEX I/O 1794 |
| Product Type | AC Digital Output Module |
| Function | 8-point AC output module |
| Output Channels | 8 points |
| Output Type | AC triac outputs |
| Output Voltage Range | 74 to 264 VAC |
| Nominal Output Voltage | 120/240 VAC |
| Output Current | ~0.5 A per channel |
| Total Module Current | ~2–3 A (typical aggregated limit) |
| Output Configuration | 2 groups of 4 outputs |
| Leakage Current (OFF state) | ≤ 2 mA |
| Switching Type | Zero-cross / random turn-on (triac dependent) |
| Turn-on Time | ~1/2 cycle |
| Turn-off Time | ~1/2 cycle |
| Isolation | Optical isolation (field to logic) |
| Backplane Current | ~30–75 mA @ 5 VDC |
| Power Supply | 5 VDC via FLEX I/O adapter |
| Power Dissipation | ~3–5 W max |
| Status Indicators | 8 channel LEDs + module status LED |
| Wiring Base | 1794-TB2 / TB3 / TB3S compatible |
| 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) | 6.9 × 9.4 × 9.4 cm |
| Weight | ~0.15–0.20 kg |
FAQ
FAQ
Q1. What is the main function of the 1794-OA8?
It is a FLEX I/O AC output module used to control AC loads such as relays, lamps, and small motors.
Q2. What type of outputs does it use?
It uses triac-based AC outputs designed for switching AC electrical loads.
Q3. What voltage range does it support?
It supports 74 to 264 VAC, typically used for 120 VAC or 240 VAC systems.
Q4. How many output channels does it have?
It provides 8 independent AC output channels.
Q5. How are the outputs grouped?
The outputs are arranged in 2 groups of 4 channels.
Q6. Can it handle inductive loads?
Yes, it supports inductive loads due to built-in triac switching characteristics.
Q7. What are its physical size and weight?
It measures approximately 6.9 × 9.4 × 9.4 cm and weighs about 0.15–0.20 kg.
Q8. What applications is it typically used for?
It is commonly used in industrial automation systems for AC device control, including machine outputs, indicator systems, and relay control in distributed I/O architectures.
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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.
