User guide
Xenus XTL User Guide    Using CME 2 
Copley Controls Corp.  125 
6.2: Manage Amplifier and Motor Data 
6.2.1: Memory 
To maintain amplifier and motor settings, the amplifier uses volatile RAM memory and non-volatile 
flash memory. Data can also be saved to disk for backup and distribution. 
Volatile and Flash Memory 
Volatile memory holds status data and certain user-entered information data during operation, 
whereas flash memory permanently stores the data for loading into volatile memory at +24 Vdc 
power-up or reset, as described below. 
Volatile Flash 
Contents erased when amplifier is reset or powered 
off. 
Permanent. Contents retained when the amplifier is reset 
or powered off. 
Initial contents read from flash on +24 Vdc power-up. 
Contents then updated in real time to reflect certain 
operational conditions and changes entered with CME 2 
software. At any time, the user can use CME 2 to restore 
certain data from flash into volatile memory. 
Modified only by using a Save to Flash tool or by closing 
certain screens (Motor/Feedback, Basic Setup, Homing, or 
CAN Configuration), whose contents are automatically 
saved to flash upon closing of the screen. 
How the Amplifier Uses Volatile and Flash Memory 
As described below, some data resides in flash only, some in volatile memory only, and some in 
both. 
Data Resides In  Data 
Flash only  This category includes all data represented on the Motor/Feedback screen, Basic Setup screen, 
and CAN Configuration screen. This data is automatically saved to flash as soon as its entry is 
confirmed (when the user clicks the appropriate Save to Flash button, or closes the screen). 
Flash and Volatile  Includes all user-entered data represented on other screens, such as gains, limits, and I/O, 
faults, and regen settings. Initial values for this data are factory-set in flash. They are loaded 
from flash to volatile memory with each power-up or amplifier reset. This data is saved to flash 
only when a user clicks the appropriate Save to Flash button. It is flushed from volatile memory 
with each power-down or amplifier reset. 
Volatile only  Includes operating status data such as actual position, actual current, and amplifier 
temperature. Such data is never stored in flash. It is flushed from volatile memory with each 
power-down or amplifier reset. 
6.2.2: Disk Storage 
Amplifier Data Files and Motor Data Files 
At any time, the user can save certain data from volatile and flash memory to a file on disk. From 
the Main screen, the user can save all user-entered data represented on all screens (the data 
described as Flash only and Flash and Volatile on p. 125). This data is saved in a Copley Controls 
amplifier data file with a .ccx filename extension. 
From the Motor/Feedback screen, the user can save all data represented on the Motor/Feedback 
screen. This data is saved in a Copley Controls motor data file with a .ccm filename extension. 
A .ccx file can be restored to return the amplifier to a previous state or to copy settings from one 
amplifier to another, as described in Quick Copy Setup Procedure (p. 127). This procedure can be 
performed via a direct RS-232 serial connection or on node amplifiers via the serial connection 
gateway amplifier. 










