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MELSEC-Q
15 TROUBLESHOOTING
Related buffer memory
address
Axis 1 Axis 2 Axis 3 Axis 4
Set range
(Setting with PLC program)
Remedy
86 236 386 536 1 to 1000
88 238 388 538 0, 1
87 237 387 537 0, 1
After setting the value inside the setting range, turn the
PLC READY signal [Y0] from OFF to ON.
—
— — —
0, 1 Execute the home position return (OPR).
— — — — —
• Check the servomotor and encoder cable.
• Take measures against noise.
— — — — —
• Check the servomotor and encoder cable.
• Take measures against noise.
• Check whether the rotation direction (
Pr.114
Rotation
direction selection ) is set "0
1" or "1 0" by PLC
program or GX-configurator-QP. (Refer to Section
14.5 "PFWRT" precaution (6). )