Appendices
ESERV-M12T Modbus Gateway
54
ESERV-M12T
(Rev. 1210)
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 A(-), Data B(+), 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
Summary of Contents for ESERV-M12T
Page 1: ...ESERV M12T Modbus Gateway User Manual...
Page 12: ...Hardware ESERV M12T Modbus Gateway 7 ESERV M12T Rev 1210 Figure 9 ESERV M12T DIN Clips...
Page 40: ...Modbus Help ESERV M12T Modbus Gateway 35 ESERV M12T Rev 1210 Figure 24 Modbus Priority...
Page 46: ...Modbus Help ESERV M12T Modbus Gateway 41 ESERV M12T Rev 1210 Figure 31 Port 1 Modbus...
Page 48: ...Modbus Help ESERV M12T Modbus Gateway 43 ESERV M12T Rev 1210 Figure 33 Modbus Slave ID Routing...
