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Related buffer memory address
QD77MS2
QD77MS16
QD77MS4
80+150n
81+150n
82+150n
83+150n
86+150n
88+150n
87+150n
105
106
—
—
—
—
Set range
(Setting with sequence program)
0 to 2147483647
0, 1, 2, 3
0, 1, 2, 3
1 to 1000
0, 1
0, 1
0, 1
<SSCNET setting>
0, 1
<Servo series>
0, 1, 3, 4, 6, 7, 32, 96, 4097, 4128
—
—
16 - 47
Chapter 16 Troubleshooting
Remedy
With the setting brought into the setting range, turn the PLC
READY signal [Y0] from OFF to ON.
With the setting brought into the setting range, write to the
flash ROM and switch the power on again or reset the PLC.
With "SSCNET setting" and "Servo series" set by a correct
combination, write to the flash ROM and switch the power on
again or reset the PLC.
Execute OPR.
• Check the SSCNET cable.
• Check the servomotor and encoder cable.
• Take measures against noise.
• Check whether the rotation direction Rotation direction
selection/travel direction selection (PA14) is set "0
0" in the user program or the GX Works2. (Refer to
Section 15.5)
1" or "1
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