Communication specifications, Connector hookup – Yaskawa MP940 Reference Manual User 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