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VXC-142iAU PCI Serial Board, 2 Isolated RS-422/485 Ports

Produktinformasjon "VXC-142iAU PCI Serial Board, 2 Isolated RS-422/485 Ports"

The VXC-142iAU CR adds two RS-422/RS-485 serial ports to a PC through a universal PCI slot. Each port can be set to RS-485 for half-duplex or RS-422 for full-duplex operation, with speeds up to 115200 bps.

The i version isolates the data lines with on-board photocouplers, keeping the serial channels electrically separated from the host. This helps reduce ground loops and common-mode voltage problems, and the 2500 VDC isolation and ±4 kV ESD protection add robustness where electrical noise and voltage spikes are a concern.

COM port numbers can be fixed with an 8-bit DIP switch or left to the driver, which assigns an available number automatically. Under Windows the driver provides up to 128 KB of software buffer per port, backed by a 128-byte hardware FIFO, which suits large file transfers.

Applications

  • Industrial machinery
  • Building automation
  • Restaurant appliances
  • Laboratory equipment and research
  • Industrial communication
Product type: PCI serial board
Interface: PCI
Ports: 2 x RS-422/485
Isolation: 2500 VDC
Operating temperature: 0 ~ +60 °C

Spesifikasjoner

Hardware
Connector2 x DB9 (Male)
COM-SelectorYes (8-bit DIP switch)
COM Ports
Ports2 x RS-422/485 (RS-422: TxD+, TxD-, RxD+, RxD-, RTS+, RTS-, CTS+, CTS-, GND / RS-485: Data+, Data-, GND)
Baud Rate50 - 115200 bps
ParityNone, Even, Odd, Mark, Space
Data Bit5, 6, 7, 8
Stop Bit1, 1.5, 2
FIFO SizeInternal 128 bytes
Isolation2500 VDC
Power
Consumption480 mA @ 5 V
Mechanical
Dimensions (mm)90 x 134 x 22 (W x L x D)
Environment
Operating Temperature0 ~ +60°C
Storage Temperature-20 ~ +70°C
Humidity5 ~ 85% RH, Non-condensing

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