Bo mạch mở rộng 2-cổng RS-232 (3 chân )+ 4 kênh DI + 4 kênh DO ICP DAS X509

Parallel I/O

• RS-232 port : 2
• COM3 : TXD, RXD, GND
• COM4 : TXD, RXD, GND
• 16550 compatible
• Internal FIFO : 16 bytes
• Transmission speed: 115.2K BPS max.
• Isolated : none

Digital Input

• Channels : 4
• Input Voltage:
  Logic high level (3.5V~30V),
  Logic low level (0V~1V)
• Isolated : none

Digital Output

• Channels: 4
• Open-collector Output : 100 mA / 30V max
• Isolated : none