IAI America XSEL-KX - Manual (Page 65)

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Part 3 Controller Data Structure
3. Points to Note
Point to note when transferring data and writing to the flash memory
Never turn off the main power while data is being transferred or written to the flash
memory. The data will be lost and the controller operation may be disabled.
Point to note when saving parameters to a file
The encoder parameters are stored in the EEPROM of the actuator’s encoder itself (unlike other
parameters, they are not stored in the EEPROM of the controller). The encoder parameters will be
read from the encoder’s EEPROM to the controller when the power is turned on or upon software
reset.
Therefore, if the parameters are saved to a file after turning on the controller (or restarting it via a
software reset) without an actuator (encoder) connected, the encoder parameters saved to the file
will become invalid.
Point to note when transferring a parameter file to the controller
When a parameter file is transferred to the controller, the encoder parameters will be transferred to
the EEPROM of the encoder (excluding manufacturing/function information).
Therefore, if the parameter file transferred to the controller has been read from a controller that was
started without an actuator connected, invalid encoder parameters will be written to the encoder’s
EEPROM (provided that an actuator is connected to the controller to which the file was transferred).
When saving the parameters to a file, do so with an actuator connected to the controller.