Mitsubishi Electric MELFA FR CR800 Series User Manual page 640

6. Communication (USB)
If you cannot communicate with the robot controller using USB, check the following.
Also, see "Communications (general)".
Check item or cause
What color is Communication Server 2?
Return Communication Server 2 to icon
status and check the color displayed for the
line state.
When Communication Server 2 is red (USB)
(1)
If Communication Server 2 is displayed in red with communication with the robot controller set to USB, check
the following.
Check item or cause
In the communication
software, is the communications method set to
TCP/IP or RS-232
Is the USB driver installed?
When Communication Server 2 is light blue or blue (USB)
(2)
With communications with the robot set to USB, if Communication Server 2 is displayed in light blue or blue,
but communication is still not possible, check the following.
Check item or cause
Is the robot controller power supply Off?
Is the communications cable connected
correctly?
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Red
Green
Yellow
Light blue
Blue
settings for this Change the communication method to USB.
Communicating with USB requires that the USB driver
be installed.
For details, see "1.5.3 USB driver
(CR800-D/CR750-D/CRnD-700 series robot
controller) installation", "1.5.4 CRnQ_R
communication USB driver installation" and "1.5.5
CRnQ_R Communication USB driver for GOT
transparent function / GOT communication
installation".
When connected by USB in CRnQ communication, if
the robot controller power goes Off after a normal
connection was established, the display remains light
blue.
Switch to Offline in this software, switch the robot
controller power On, and then go back online.
When connected by USB in CRnQ communications, if
the communications cable is disconnected after a
normal connection was established, the display
remains light blue.
Switch to Offline in this software, connect the
communications cable, and then go back online.
Solution
The problem may be that the robot
controller is not connected correctly.
Check the items in "(1) When
Communication Server 2 is red
(RS-232)".
The problem may be that the robot
controller and the computer have different
communications settings.
See "3 Communications (general)".
See "3 Communications (general)".
Check the items in "(2) When
Communication Server 2 is light blue or
blue (USB)".
Solution
Solution
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