Mitsubishi Electric MELFA CR750 Series User Manual page 459

Communications (USB)
If you can not communicate with the robot controller using USB, check the following.
Also, see "0Communications (general)".
Check item or cause
What color is Communications Server 2?
Return Communications Server 2 to icon
status and check the color displayed for the
line state.
(1)
When Communications Server 2 is red (USB)
If Communications Server 2 is displayed red with communications with the robot controller set to USB,
check the following.
Check item or cause
In the communications settings for this
software, is the communications method set to
TCP/IP or RS-232
Is the USB driver installed?
(2)
When Communications Server 2 is light blue or blue (USB)
With communications with the robot set to USB, if Communications Server 2 is displayed light blue or blue,
but communications are 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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Solution
The problem may be that the robot
controller is not connected correctly.
Red Check the items in "(1) When
Communications Server 2 is red
(RS-232)".
The problem may be that the robot
controller and the computer have different
Green
communications settings.
See "0Communications (general)".
Yellow See "0Communications (general)".
Check the items in "(2) When
Light blue
Communications Server 2 is light blue
Blue
or blue (USB)".
Change the communications method to USB.
Communicating with USB requires that the USB driver
be installed.
For details, see "1.5.3 USB driver
(CR750-D/CRnD-700 series robot controller)
installation", "1.5.4 CRnQ communications USB
driver installation" and "1.5.5 CRnQ
Communications USB driver for GOT transparent
function / GOT communitation installation".
When connected on USB with CRnQ communications,
if the robot controller power goes Off after a normal
connection was established, the display remains light
blue.
Switch Offline with this software, switch the robot
controller power On, then go back online.
When connected on USB with CRnQ communications,
if the communications cable is disconnected after a
normal connection was established, the display
remains light blue.
Switch Offline with this software, connect the
communications cable, then go back online.
Solution
Solution
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