ThingMagic M5e-Compact - Manual (Page 98)

Application Tag Commands
98 Command Set
Error Status Codes
FAULT_MSG_WRONG_NUMBER_OF_DATA – 100h
FAULT_MSG_INVALID_PARAMETER_VALUE - 105h
FAULT_NO_PROTOCOL_DEFINED – 401h
FAULT_AFE_NOT_ON – 405h
FAULT_NO_TAGS_FOUND – 400h
FAULT_TAG_ID_BUFFER_FULL – 601h
FAULT_ANTENNA_NOT_CONNECTED – 503h
FAULT_TEMPERATURE_EXCEED_LIMITS – 504h
FAULT_HIGH_RETURN_LOSS – 505h
Write Tag EPC (23h)
The Write Tag EPC command should be used when updating the EPC value of a tag. It is
preferred over using
Write Tag Data (24h) because Write Tag EPC will automatically
lengthen or shorten the EPC ID, by modifying the PC bits, according to the Tag EPC
specified. If Write Tag Data is used, the specified data will be modified but the EPC ID
length will not be modified.
Note
Write Tag EPC will always use Gen2 Q=0 when Get Protocol Configuration
(6Bh) Q Value set to Dynamic Q. For use with large tag populations a Static Q
appropriate for the population should be used to avoid collisions.
The Write Tag EPC command takes the following fields: