Mitsubishi Electric MELSEC-Q Series User Manual page 142

7 FUNCTION
7 - 46
(4) Setting of transmission specifications
Use the serial communication setting PLC parameters to set the transmission
speed, sum check, transmission wait time and write during RUN setting of the
serial communication function.
(a) When using the serial communication function to make communication with
the personal computer, Display device or the like, specify "Use serial
communication".
(b) The default values of the transmission speed, sum check, transmission wait
time and write during RUN setting are displayed.
You can change the transmission speed, sum check, transmission wait
time and write during RUN setting according to the specifications of the
external device.
Click here to use the serial
communication function.
Selecting "Use serial
communication" allows
you to change the settings.
(5) Instructions
(a) Connection can be switched to GX Developer during communication with
the personal computer, Display device or the like using the serial
communication function.
However, the personal computer, Display device or the like that was
making communication using the serial communication function results in a
communication error.
Refer to the manual of the used device for the way to start the personal
computer, Display device or the like when the CPU module is reconnected
with the personal computer, Display device or the like.
(b) When you specify "Use serial communication", the transmission speed
changed using GX Developer is not made valid.
POINT
The data set in serial communication setting is made valid when:
• The PLC is powered on; or
• The Q00/Q01CPU is reset.
MELSEC-Q
7 - 46