Rockwell Automation 1758-RTU202 DataSite Hardware User Manual User Manual
Page 63

Publication 1758-UM001D-EN-P - June 2011
Specifications
63
RS232
Attribute
Description
COM port
RS232 serial port (COM1, COM2)
Data Terminal Equipment (DTE)
DB-9P
Baud rate
2400, 4800, 9600, 19200, 38400, 57600
Parity
None, Odd, or Even
Data bits
7 or 8 bits
Stop bit
1 or 2 bits
Duplex
Half-duplex or full-duplex (with RTS/CTS control)
Cable length, max.
15.2 m
Protocol
Modbus RTU/ASCII, DNP3, DS Workbench (only in COM2),
None
Protocol mode
Master, Slave (DNP3 supports only Slave mode.)
RS485
Attribute
Description
COM port
RS485 serial port (COM1)
Data Terminal Equipment (DTE)
Baud rate
2400, 4800, 9600, 19200, 38400, 57600
Parity
None, Odd, or Even
Data bits
7 or 8 bits
Stop bit
1 or 2 bits
Duplex
Half-duplex
Cable length, max.
RS485, 1200 m
Protocol
Modbus RTU/ASCII, DNP3, None
Protocol mode
Master, Slave (DNP3 supports only Slave mode.)