Product overview
The HD-R712 brings the receiving function and module connections onto one board, without a separate HUB adapter. It supports data-group arrangement, smart screen setup and multi-card layouts. Match the module driver IC, scan mode and required loading arrangement when choosing a receiving card.
Product specifications
| Parameter | Specification |
|---|---|
| Model | HD-R712 |
| HUB connections | 12 × HUB75E |
| Parallel data | 24 RGB groups |
| Sending system support | Dual-mode sending boxes, synchronous/asynchronous sending cards and VP-series processors |
| Module IC support | Common IC modules and most PWM IC modules |
| Scan range | Static to 1/128 scan |
| Communication | Gigabit Ethernet; 2 interchangeable ports |
| V2.1 parameter-table load | 262144 pixels (512 × 512) |
| V2.1 overview load | 131072 pixels; conflicts with the parameter table |
| Recommended load in V2.1 table | Conventional IC: 128 × 1024; PWM IC: 256 × 1024 |
| Load condition | Depends on HUB-port use and module resolution |
| Grayscale | 256–65536 |
| Cable distance | Within 80 m using Cat5e/Cat6 cable |
| Power connections | 2 × DC power |
| Input voltage | 4.0–5.5 V DC |
| Power consumption | 5 W |
Configuration and selection
Loading note: the V2.1 document contains different capacity figures. The table preserves both references rather than selecting an unverified maximum. Confirm the actual receiver revision and cabinet arrangement before commissioning.
Frequently asked questions
Does the HD-R712 require a separate HUB adapter board?
No. It has 12 HUB75E interfaces onboard for the LED module connections.
What is the maximum HD-R712 loading capacity?
The V2.1 PDF conflicts internally: its overview states 131072 pixels, while its parameter table states 262144 pixels (512 × 512). Confirm the supplied revision and module configuration before relying on either figure as the final installation limit.
Can it work in synchronous and asynchronous LED systems?
Yes. The specification lists both types of sending system, including dual-mode boxes and VP-series processors.
What affects the actual load of a receiving card?
The specification ties loading to the number of HUB ports and module resolution. Driver IC and scan configuration must also match the supported module setup.
Are the two Ethernet ports interchangeable?
Yes. The interface description states that the two Gigabit Ethernet ports are interchangeable for connections to a sender or another receiving card.
Original product images and diagrams


Downloads and related information
HUIDU HD-R712 LED Display Full Color Receiving Card.pdf Specification






