Mitsubishi Q170MCPU, User Manual

Page: 179 / 228

APP - 8
APPENDICES
2) Precautions
Precautions for direct connection between the Motion controller and
MT Developer2 are shown below.
a) Connection to LAN line
When the Motion controller is connected to LAN line, do not perform
communication using direct connection. If performed, the
communication may put a load to LAN line and adversely affect
communications of other devices.
b) Connection not connected directly
The system configuration that connects a Motion controller with an
external device using a hub as shown below is not regarded as
direct connection.
HUB
c) Condition in which direct connection communication may not be
available
Under the following conditions, direct connection communication
may not be available. In that case, check the setting of the Motion
controller and/or personal computer.
• In the Motion controller IP address, bits corresponding to "0" in the
personal computer subnet mask are all ON or all OFF.
(Example) Motion controller IP address : 64. 64. 255. 255
Personal computer IP address : 64. 64. 1. 1
Personal computer subnet mask : 255.255. 0. 0
• In the Motion controller IP address, bits corresponding to the host
address for each class in the personal computer IP address are all
ON or all OFF.
(Example) Motion controller IP address : 64. 64. 255. 255
Personal computer IP address : 192.168. 0. 1
Personal computer subnet mask : 255. 0. 0. 0