ETEL Doc. - Operation & Software Manual # DSC2P 903 / Ver. F / 3/6/05 Chapter C: System functions
Operation & Software Manual
Direct Drives & Systems 81
Remark: When the controller is switched on, data is automatically restored, like with a RES.<axis>=0
command (so that it is not necessary to do it manually).
All parameters K depths are saved and reread when SAV, RES and NEW commands are
executed. Moreover, these commands are generally not used in a sequence but only when
sending on-line commands or with ETEL Tools.
Example:
Parameter K1 is the position loop proportional gain. The default value of this parameter is 100. The table below
shows the state of the SDRAM and the ’flash’ after realizing different actions one after the other.
Actions
State of the SDRAM after acting (the controller uses
these values for all its calculations)
State of the flash after acting
Switch on the
controller
Parameter K1 is equal to 100, value by default Parameter K1 is equal to 100, value by default.
K1.1 = 5000 Parameter K1 is equal to 5000. Parameter K1 is equal to 100, value by default.
Switch off and
on the controller
Parameter K1 is equal to 100, value by default. Parameter K1 is still equal to 100, value by default.
K1.1 = 4000 Parameter K1 is now equal to 4000. Parameter K1 is equal to 100, value by default.
SAV.1 = 2 Parameter K1 is still equal to 4000. Parameter K1 is now equal to 4000.
NEW.1 = 2 Parameter K1 is now equal to 100, value by default. Parameter K1 is still equal to 4000.
RES.1 = 2
Parameter K1 is equal to 4000, value contained in the
flash.
Parameter K1 is still equal to 4000.
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