NovaStar MRV432 LED Receiving Card | 8 HUB320 Connectors
$ 17.00
The NovaStar MRV432 is an LED receiving card with eight HUB320 connectors and a maximum loading capacity of 512 × 512 pixels. It supports 32 groups of parallel RGB data or 64 groups of serial data, with calibration, mapping and backup functions.
76 in stock
MRV432 LED Receiving Card
The NovaStar MRV432 connects LED modules through eight HUB320 connectors and supports up to 512 × 512 pixels per card. It offers pixel-level calibration, cabinet mapping and communication diagnostics for screen setup and maintenance. Check the module pinout and data mode in the retained specification before wiring.
| Parameter | Specification |
|---|---|
| Maximum loading capacity | 512 × 512 pixels |
| Module connectors | 8 × HUB320 |
| Data output | 32 groups of parallel RGB data or 64 groups of serial data |
| Input voltage | DC 3.3–5.5 V |
| Rated current / power | 0.5 A / 2.5 W |
| Dimensions / net weight | 145.7 × 91.5 × 18.4 mm / 100.0 g per card |
| Operating environment | −20°C to +70°C; 10–90% RH, non-condensing |
| Storage environment | −25°C to +125°C; 0–95% RH, non-condensing |
Calibration and Image Control
MRV432 works with NovaLCT and NovaCLB for pixel-level brightness and chroma calibration. Dark or bright seam adjustment addresses differences between modules or cabinets. Rotation is available in 90° increments: 0°, 90°, 180° and 270°.
Individual RGB gamma adjustment requires NovaLCT V5.2.0 or later and a sending card supporting the function. A sending card with 3D support is also required for 3D output. These features depend on the complete control system and its configuration.
Mapping, Diagnostics and Backup
Mapping displays receiving-card numbers and Ethernet-port information on cabinets. A pre-stored image can be configured for startup, loss of Ethernet connection or absence of a video signal. Temperature and voltage monitoring need no additional peripherals, while a cabinet LCD can show these readings and runtime information.
Bit-error detection and firmware readback require NovaLCT V5.2.0 or later. Configuration parameters can also be read back to the computer. Loop backup uses primary and backup line connections; configuration parameters and application programs each have dual backup storage.
Frequently Asked Questions
How many pixels can one MRV432 receiving card load?
The retained V1.0.1 specification gives a maximum loading capacity of 512 × 512 pixels per card.
Does MRV432 use HUB75E or HUB320 connectors?
MRV432 uses eight HUB320 connectors. Its specification lists 32 parallel RGB data groups or 64 serial data groups; check the appropriate pin definitions before connection.
Which software version is needed for gamma adjustment and diagnostics?
Individual RGB gamma adjustment, bit-error detection and firmware readback require NovaLCT V5.2.0 or later. Gamma adjustment also requires a sending card supporting that function.
Why is the green MRV432 indicator flashing slowly?
One flash every three seconds indicates an abnormal Ethernet connection. Three flashes every 0.5 seconds means Ethernet is connected normally but no video source is available. One flash per second indicates normal operation with video input.
Can MRV432 keep displaying if a signal cable fails?
Loop backup supports continued display when a line fault occurs, provided the receiving and sending cards are connected through the required primary and backup loop. The PDF describes the corresponding status indicator.
Product Images
Specification Download
| Weight | 0.3 kg |
|---|
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