AL.121 PDO Object’s index does not exist – Delta servo troubleshooting

Name	Description	ALM	WRN	SRV ON	Clear Way
AL.121 PDO Object’s index not exist	Object’s index does not exist when PDO is accessed	⊗		Yes	NMT:Reset node 或0x6040.Fault Reset

Name

Description

ALM

WRN

SRV ON

Clear Way

AL.121

PDO Object’s index

not exist

Object’s index does not exist when PDO is accessed

⊗

Yes

NMT:Reset node 或0x6040.Fault Reset

Trigger condition

and cause

When the servo drive receives the PDO from the controller, the specified object’s index number is incorrect, so the servo drive cannot identify it.

Checking method

and corrective action

Check if the object’s index number for PDO mapping of the controller is correct.
If the index number is correct, it means this specified object is not supported by the servo drive. Check if it is necessary to use this object or if you can substitute it with a different object.

How to clear the alarm?

NMT: reset node, 0x6040 fault reset, or DI.ARST.

－－－ ↓ The following content is contributed by users ↓－－－

— Sharing is a virtue. Please add the inadequacies of this article to benefit the public —