Omron Programmable Terminals NT31 NT31C - Manual (Page 261)

Appendix A Specifications
251
Communications Specifications
For a Host Link , RS-232C Type
Item Specification
Communications standard EIA RS-232C
Communications settings
Start-stop synchronization
Communications speed: 9600, 19200 bps
Data length: 7 bits
Stop bit: 2 bits
Parity: Even
Connector
9-pin D-SUB connector (female) (serial port A)
25-pin D-SUB connector (female) (serial port B)
Number of units connected 1:1
Transmission distance Max. 15 m*
Communications protocol C-series SYSMAC WAY (1:N)
* When using an NT-AL001, the specifications are as follows.
• RS-232C cable: Max. 2 m
• RS-422A cable: Total length 500 m max.
For a Host Link , RS-422A Type
Item Specification
Communications standard EIA RS-422A
Communications settings
Start-stop synchronization
Communications speed: 9600, 19200 bps
Data length: 7 bits
Stop bit: 2 bits
Parity: Even
Connector 25-pin D-SUB connector (female) (serial port B)
Number of units connected 1:1
Transmission distance Max. 500 m
Communications protocol C-series SYSWAY (1:N)
For an NT Link , 1:1, RS-232C Type
Item Specification
Communications standard EIA RS-232C
Connector
9-pin D-SUB connector (female) (serial port A)
25-pin D-SUB connector (female) (serial port B)
Number of units connected 1:1
Transmission distance Max. 15 m *
* When using an NT-AL001, the specifications are as follows.
• RS-232C cable: Max. 2 m
• RS-422A cable: Total length 500 m max.