B&B Electronics ESR901 Especificaciones descargar pdf (Pagina 51)

9. Appendices Vlinx MESR9xx Modbus Gateway

Page 47 Manual Documentation Number MESR9xx-0109m

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Serial Interface Specifications

Mode Selection RS-232/422/485 software selectable

RS-232 lines TXD, RXD, RTS, CTS, DTR, DSR, DCD, GND

RS-422 lines TXDA(-), TXDB(+), RXDA(-), RXDB(+), GND

RS-485 lines (2 wire) Data(-), Data(+), GND

RS-485 lines (4 wire) TXDA(-), TXDB(+), RXDA(-), RXDB(+), GND

Baud Rates

75, 150, 300, 600, 1200, 2400, 4800, 7200,

9600, 14400, 19200, 28800, 38400, 57600,

115200, 230400

Data Bits 5, 6, 7, 8

Parity None, even, odd, mark, space

Stop bits 1, 1.5, 2

Flow control None, RTS/CTS, XON/XOFF

RS-422/485 biasing Auto 4.7K ohm pullups and pulldowns

RS-422/485 termination

Auto termination with thru hole resistor (user

supplied)

RS-485 data control Auto control via MCU

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B&B Electronics ESR901 Especificaciones Pagina 51