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- FAQ > Controllers > Motion Controllers > MELSEC-Q Series
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FAQ within [ MELSEC-Q Series ]
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Set "[Pr.45] Home position address (72+150n, 73+150n)" of the basic parameters for home position return.Set by 2 words.The value will be reflected when PLC r... More Details >>
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Alarm 2149 (Main circuit OFF warning) occurs when the servo system turns ON with no power supplied to the servo main circuit. Review the condition of servo O... More Details >>
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No. The motors' operation is not completely linked to ON/OFF timing of the BUSY signals.BUSY signal is turned ON when the controller starts sending commands ... More Details >>
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No, there is no impact on the command speed.However, the actual acceleration/deceleration time are affected by the change. More Details >>
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Yes. You can check the servo status through the following monitor data. • "[Md.108] Servo status 1" • "[Md.125] Servo status 3" (QD77MS, LD77MS, LD77MH) ... More Details >>
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Change the direction with "[PA14] Rotation direction selection/travel direction selection". More Details >>
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Set the torque limit value in "[Cd.101] Torque output setting value" before the positioning start.The values of "[Pr.17] Torque limit setting value" and "[Cd... More Details >>
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No, execute "[Cd.5] Axis error reset" to cancel the error after eliminating the error cause. More Details >>
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Error 3012 occurs when the multiple CPU setting of PLC CPU (CPU No.1) does not match that of Motion CPU. (1) Check if the multiple CPU setting of the Multipl... More Details >>
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Set "[Cd.17] JOG speed" before starting the operation.When changing the speed during the operation, change it to the new speed with the speed change function. More Details >>
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