Yaskawa MP940 Reference Manual - Manual (Page 97)

Serial Transmission Function MotionSuite™ MP940 Machine Controller Reference Manual
4-6
Communication Specifications
A description of the serial communication function specification follows.
The table below shows the MP940 module transmission specifications.
Connector Hookup
Serial Port 1
MP940 can communicate between tranmission devices on the Memobus
network using RS-232C via serial port 1.
A programming device (a PC equipped with an RS-232C interface) is
connected to serial port 1.
Item Specification
Interface RS-232, 1Line
RS-422/485
1Line
Connector RS-232 PORT1 MDR-14pin/female
RS-422/485 PORT2 MDR-14pin/female
Transmission
Range RS-232: 15m Maximum
RS-422/485: 300m Maximum
Baud Rate RS-232 PORT1 9600, 14400, 19200bps
RS-422/485 PORT2: 9600, 14400, 19200bps
Synchronization
Type Asynchronous (start-stop synchronization)
Transmission Pro-
tocol Memobus (Master/Slave, MELSEC communication, non-proce-
dural)
Connection Status RS-232 1:1
RS-422 1:1
RS-485 1:N
Transmission
Format
(Settable) Data Bit Length :7/8Bit
Stop Bit :1/2Bit (port 1only):port 2 is fixed at 1
Parity Bit :Even/Odd/None