Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Allen‑Bradley 1756‑OA8 ControlLogix Digital AC Output Module |
| Module Type | Digital AC output module (8 points) |
| Series | ControlLogix |
| Number of Outputs | 8 output channels (2 groups of 4) |
| Output Voltage Range | 74–265 VAC, 47–63 Hz |
| Voltage Category | 120/240 VAC, 50/60 Hz |
| Output Current per Point | Up to 2.0 A per point (derated with temperature) |
| Maximum Output Current per Module | ~5 A @ 30 °C, ~4 A @ 60 °C |
| Minimum Load Current | ~10 mA per point |
| Surge Current per Point | ~20 A for 43 ms per point |
| Output Delay Time | ~9.3 ms @ 60 Hz, ~11 ms @ 50 Hz |
| Backplane Current (5.1 VDC) | ~200 mA |
| Backplane Current (24 VDC) | ~2 mA |
| Power Dissipation | ~5.1 W @ 60 °C |
| Isolation Voltage | ~250 V continuous between groups of 4 outputs |
| Connection Type | Removable terminal block (e.g., 1756‑TBNH or 1756‑TBSH) |
| Mounting | ControlLogix chassis slot |
| Operating Temperature Range | 0 °C to 60 °C |
| Storage Temperature Range | −40 °C to 85 °C |
| Relative Humidity (Non‑condensing) | 5 % to 95 % |
| Dimensions (H × W × D) | ~300 mm × 38.1 mm × 111.25 mm (standard 1756 module size) |
| Weight | ~0.43 kg (~0.94 lbs) |
FAQ
FAQ
Q1: What is the main purpose of the 1756‑OA8 module?
It provides eight AC digital outputs for controlling field devices such as relays, contactors, lamps, and solenoids.
Q2: How many outputs are available and how are they grouped?
There are 8 outputs arranged in two groups of four channels each.
Q3: What AC voltage range does this module support?
It supports a wide operating range of 74–265 VAC at 47–63 Hz.
Q4: What is the maximum current per output point?
Each point can handle up to approximately 2 A, derated at higher temperatures.
Q5: Are there any isolation features?
Yes, there is continuous isolation voltage of approximately 250 V between groups of four outputs.
Q6: What are the physical size and weight of the module?
The module measures about 300 mm × 38.1 mm × 111.25 mm and weighs around 0.43 kg.
Q7: What type of terminal connection does the module use?
It uses removable terminal blocks such as 1756‑TBNH or 1756‑TBSH.
Q8: What are the environmental operating limits?
It operates from 0 °C to 60 °C with storage from −40 °C to 85 °C and supports up to 95 % non‑condensing humidity.
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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.
