5 EtherCAT Communications
5 - 10
GX-series EtherCAT Slave Unit User’s Manual
5-5 Service Data Object (SDO)
GX-series EtherCAT Slave Units support the SDO communications.
The EtherCAT Master Unit is able to make parameter settings and monitor status by reading and writing
data from and to entries in object dictionaries via the SDO communications.
The table below shows abort codes of SDO communications errors.
*1 In this status, the Slave Unit operates locally and the EtherCAT Master Unit is unable to control it.
5-5-1 Overview
5-5-2 Abort Codes
Code Meaning
05030000 hex Toggle bit not changed
05040000 hex SDO protocol timeout
05040001 hex Client/Server command specifier not valid or unknown
05040005 hex Out of memory
06010000 hex Unsupported access to an object
06010001 hex Attempt to read a write only object
06010002 hex Attempt to write to a read only object
06020000 hex The object does not exist in the object directory.
06040041 hex The object cannot be mapped into the PDO.
06040042 hex The number and length of the objects to be mapped would exceed the PDO length.
06040043 hex General parameter incompatibility reason
06040047 hex General internal incompatibility in the device.
06060000 hex Access failed due to a hardware error.
06070010 hex Data type does not match, length of service parameter does not match.
06070012 hex Data type does not match, length of service parameter too high.
06070013 hex Data type does not match, length of service parameter too low.
06090011 hex Sub-index does not exist.
06090030 hex Value range of parameter exceeded (only for write access)
06090031 hex Value of parameter written too high
06090032 hex Value of parameter written too low
06090036 hex Maximum value is less than minimum value.
08000000 hex General error
08000020 hex Data cannot be transferred or stored to the application.
08000021 hex
Data cannot be transferred or stored to the application because of local control.
*1
08000022 hex
Data cannot be transferred or stored to the application because of the present device
state.
08000023 hex Object dictionary dynamic generation fails or no object dictionary is present.
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