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15 TROUBLESHOOTING
Related buffer memory address
Axis 1 Axis 2 Axis 3 Axis 4
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Regenerative brake option
30102
30302
30502
30702
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: The error check timing is shown below.
• When servo amplifier is power ON.
• When the QD75MH detects the rising edge (OFF
• When servo amplifier is reset.
• When the QD75MH is power ON.
Error
Error
check
process-
timing
ing
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Imme-
Always
date stop
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ON) of the PLC READY signal [Y0].
Check point
15 - 43
MELSEC-Q
Corrective action
Use the regenerative brake option.
Set correctly.
• Change lead.
• Connect correctly.
Change servo amplifier.
• For wire breakage of built-in
regenerative brake resistor,
change servo amplifier.
• For wire breakage of regenerative
brake option, change regenerative
brake option.
Add regenerative brake option or
increase capacity.
Review the power supply.
Correct the wiring.
Connect the connector of the
SSCNET
cable.
Wipe dirt at the surface away.
Change the cable.
Take noise suppression measures.
Set correctly.
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