HD-R716 receiving card for 16-HUB75E LED cabinets
The Huidu HD-R716 distributes data from a compatible sending device to LED modules through 16 HUB75E outputs. It supports common conventional driver ICs and most PWM ICs, with static through 1/128 scan operation.
Match the card to the module load
The V1.0 specification gives a maximum of 327,680 pixels. Conventional and PWM modules have different listed loading examples, so choose a layout using the module driver IC, resolution and available HUB connections. The maximum rating is not a guarantee for every module configuration.
Two interchangeable Gigabit Ethernet ports connect the card to the sending device and other receiving cards. Smart settings help configure module wiring and cabinet order. An onboard test button supports checking the display, and the document permits cards to be arranged in the required screen sequence.
HD-R716 technical specifications
| Module outputs | 16 HUB75E interfaces |
|---|---|
| Maximum loading | 327,680 pixels (512 × 640), subject to HUB usage and module resolution |
| Conventional IC examples | 160 × 1024 or 256 × 640 pixels |
| PWM IC examples | 320 × 1024, 256 × 1280 or 512 × 640 pixels |
| Scanning | Static through 1/128 scan |
| Grayscale | 256–65,536 levels |
| Controller types | Compatible dual-mode players, asynchronous/synchronous sending cards and VP-series video processors |
| Ethernet | 2 interchangeable Gigabit ports |
| Cable distance | Within 80 m using Cat5e or Cat6 cable |
| Supply | DC 4.0–5.5 V; two power interfaces, either one may be used |
| Power consumption | 5 W |
| Operating temperature / humidity | −40°C to +80°C; 0–90% RH |
| Net weight | Approximately 91 g |
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Frequently asked questions
What is the maximum pixel capacity of the HD-R716?
The linked V1.0 specification states 327,680 pixels, with 512 × 640 as one PWM example. Actual loading depends on the driver IC, number of HUB ports used and module resolution.
How does conventional-IC loading differ from PWM loading?
The specification lists 160 × 1024 or 256 × 640 pixels for conventional ICs. For PWM ICs it lists 320 × 1024, 256 × 1280 or 512 × 640 pixels. Confirm the actual module configuration before choosing a layout.
Does the R716 work in synchronous and asynchronous systems?
Yes, with a compatible sending device. The specification lists synchronous sending cards, asynchronous sending cards, dual-mode players and VP-series video processors. The R716 itself is the receiving card connected to the modules.
Do both power connectors need to be connected?
No. The interface description says connecting either one of the two DC power interfaces is sufficient. Use the specified DC 4.0–5.5 V supply and disconnect power before wiring.
Can I replace another R-series card with an R716?
The overview lists compatibility with R500, R508, R512, R512S, R512T, R516, R516T and R612. Still check module pinout, cabinet layout, scan settings and firmware before replacing a working card.


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