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VL-SDNto12 – Innovative Selector Device for NMEA with 14 Outputs


The VL-SDNto12 is a professional NMEA distribution amplifier and routing matrix designed for maritime and industrial applications. It features two galvanically isolated NMEA inputs (IN1, IN2) and 14 independent outputs (2x RS-232 and 12x RS-422), offering ultimate signal flexibility and fail-safe operation in a single module.

Weight 272 g
Dimensions 170 × 105 × 58 mm
Power supply

24 V (9-36V) / max. 400 mA

Dimension

170 mm x 105 mm x 58 mm

Weight

272 g

Connection

WAGO connector up to 2,5mm²

Terminal assignment

• 2x Power Supply (redundant, 9…32 VDC)
• 2x PE/Shield and 4x GND
• 2x Inputs RS422/NMEA (galv. isolated)
• 12x Outputs RS422/NMEA (source individually selectable: selected/redundant stream or raw IN2)
• 2x Outputs RS232 (selected/redundant stream)
• 2x External switch inputs (S1, S2 — manual/automatic input selection)

Standard applied

IEC60945

Application

Redundant, galvanically isolated NMEA input selection combined with flexible distribution to up to 14 receivers, with individually selectable signal source per RS422 output

Data rates

110 bps – 115200 bps

Operating temperature

-15 up to 55 °C

Max. humidity

Approx 90% +/- 10%

Propagation delay (input to output)

470 ns (measured)

Switch-over time (Automatic mode)

~5 s

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