NovaStar MRV350-1 LED Receiving Card with Relay Control
Original price was: $ 48.00.$ 46.00Current price is: $ 46.00.
NovaStar MRV350-1 LED receiving card with relay control and a listed 256 × 226-pixel resolution.
- Standard MRV350 variant with male connectors on top
- 16 RGBR′ / 20 RGB parallel or 64-group serial data modes
- Configuration readback and temperature/voltage monitoring
- Confirm HUB pinout, relay wiring and saved settings before replacement
10000 in stock
NovaStar MRV350-1 receiving card with relay control
The NovaStar MRV350-1 is an LED receiving card for cabinet systems that need matching data connections and relay control. NovaStar’s MRV350 specification V2.0.0 identifies the -1 variant as the standard version with male connectors on top. Check that connector arrangement against the card being replaced before selecting this model.
For a repair purchase, send photos of the existing board, its label and the connected HUB board. The suffix matters: matching the MRV350 family name alone does not establish a mechanical or electrical fit.
MRV350-1 specifications and data modes
| Listed single-card resolution | 256 × 226 pixels |
|---|---|
| Parallel data modes | 16 RGBR′ groups or 20 RGB groups |
| Serial data mode | 64 groups |
| Module data interfaces | Two 50-pin interfaces; pin assignments depend on the data mode |
| Relay control | 1 relay-control function |
| Receiver power | 5 V rated, 3.3–5.5 V range; 0.5 A and 2.5 W rated |
| Operating temperature | −20°C to +75°C |
These output modes are alternatives, not simultaneous capacities to add together. Verify the module driver IC, scan method, HUB pinout and saved cabinet settings. Do not substitute a generic HUB75 cable merely because the receiving card and module connectors appear similar.
Relay control and cabinet maintenance
NovaLCT’s receiving-card relay controls for the MRV350 family include connected, disconnected and automatic states. Automatic mode uses temperature thresholds. Confirm the installed relay module and cabinet wiring with the system integrator before using this function; the receiver’s input voltage is not a rating for the circuit being switched.
The published card functions include configuration readback, program copying, temperature and supply-voltage monitoring, communication-status detection, stored pictures and pixel brightness/chromaticity calibration. Monitoring information helps narrow a fault, but does not replace checking the power supply, cables and LED modules.
Before removing a working card, preserve the appropriate program and cabinet configuration separately. Record the current receiving-card firmware and the software used to read the settings. A photograph of the board is useful for identification, but cannot replace the configuration required to drive the modules correctly.
MRV350-1 replacement questions
Are MRV350-1, -2, -3 and -4 identical replacements?
No. The manufacturer lists -2 with male connectors underneath, -3 with female connectors on top and -4 with female connectors underneath. Match connector position, gender, clearances and the cabinet wiring before choosing a variant.
Does 256 × 226 specify the LED refresh rate?
No. It is the listed receiving-card pixel resolution. It is not a refresh-rate value. Confirm the required gray scale and refresh behavior with the actual module driver IC and configuration rather than assuming a fixed performance from this number.
What is needed for a compatibility check?
Provide the full model and revision, clear photos of both board sides and relay connections, module resolution, driver IC, scan type, HUB model, supply label, sending controller and the available configuration files. Include quantity and destination for a quotation.
Confirm your MRV350-1 configuration
Technical references: NovaStar Nova M3 MRV350 Receiving Card Specifications, V2.0.0, November 6, 2013, sections 1–5; and the MRV350 relay section of NovaLCT Synchronous Control System User Manual, V5.7.1. Match these references to the supplied hardware and software. Browse NovaStar products, compare LED receiving cards, or contact EagerLED with your existing cabinet details.
| Weight | 0.3 kg |
|---|
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