If The Motor Does Not Turn (If The Led For Pulse Output A Or B Is Not Lit); Rotation/Movement Direction Is Reversed - Panasonic GM1 Series Reference Manual

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Solution 3
● Check to make sure the wiring between the pulse output unit and the driver has been
correctly connected.
● Check to make sure the 24 V DC voltage is supplied to the external power supply terminals
(terminal numbers A20 and B20).
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Solution 4
Check to make sure the settings for the pulse output method (CW / CCW method or Pulse /
Sign method) are appropriate for the driver.

15.3.4 If the Motor Does Not Turn (if the LED for pulse output A or B is not lit)

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Solution
Review the program.
● Check the following items.
• Check the input logic of the over limit switch. In this case, the error LED is lit.

15.3.5 Rotation/Movement Direction is Reversed

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Situation
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Solution 1
● Make sure the wiring between the pulse output unit and the driver has been correctly
connected.
● Make sure the CW / CCW output or the Pulse / Sign output has been connected to the
pertinent input on the driver side.
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Solution 2
● Make sure the command position of the function block is correctly specified.
● Specify the Pulse / Sign output and CW / CCW output using the GM Programmer.
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Solution 3
If the settings for the position command data have been designed with the plus (+) and minus
(-) directions reversed, change the direction of rotation using the parameter.
WUME-GM1PG-01
15.3 What to Do If an Error Occurs
15-5