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FAQ within [ MELSEC-Q Series ]
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Check the following signals. • Start accept flag (M2001 to M2032) • Positioning start complete signal (M4000+20n (n: Axis No.-1)) More Details >>
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Acceleration/deceleration time change
No, the time cannot be changed during operation. (Note): The following is the modules that support the acceleration/deceleration change function. • Q17nDSCP... More Details >>
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Minor error 120 occurs in the following case:The zero pass signal (M2406+20n) is OFF when the re-movement to the home position is performed by proximity dog,... More Details >>
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PCPU READY complete flag (SM500)
The PCPU READY complete flag (SM500) turns ON when no error is detected in the fixed parameters, servo parameters, and limit switch output data, which are ch... More Details >>
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Torque is limited by the lower set value of "[Pr.17] Torque limit setting value" and "[Cd.22] New torque value/forward new torque value".When the current tor... More Details >>
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Error 2035 (Command frequency error) occurs when the servo amplifier detects a command frequency error. (1) When the command is the permissible speed or high... More Details >>
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There are two ways to start a positioning operation: (1) Set the "[Cd.3] Positioning start No.", and turn ON the positioning start signal. (2) Use the dedica... More Details >>
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Major error 1201 occurs when the absolute position is erased.Execute the home position return after checking the batteries of the Motion CPU module and the s... 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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No, the operation speed is not changed by changing the indirectly specified value.To change the speed during operation, use CHGV instruction. More Details >>
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