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9. INTERFACE MODE
9.7 Command data update cycle
The update cycle of command can be changed by command data update cycle of Interface mode option
(parameter No.000F). Have the user program generate the command for every command data update cycle,
and set to command buffer.
Note. Because communication with the servo amplifier is performed every control cycle, the current feedback position and other high
speed monitors are updated every control cycle.
(1) System parameters
Parameter
No.
Abbreviation Name Initial value Units
Setting
range
Function
000F *IFMO Interface
mode
option
0000h 0000h
to
0F0Fh
Command data update cycle
Set the cycle for which command is
updated in interface mode.
Command data update cycle:
Control cycle (setting value+1)
Example: When command data update
cycle is set to 2 and control
cycle is 0.88ms, command is
updated approximately every
2.66ms.
000
(2) Command data update cycle
The relationship between command data update cycle and control cycle is shown in the table below.
Setting value 0 1 2 3 8 15
Control cycle 0.88ms 0.88ms 1.77ms 2.66ms 3.55ms
8.00ms
14.22ms
Control cycle 0.44ms 0.44ms 0.88ms 1.33ms 1.77ms 4.00ms 7.11ms
Control cycle 0.22ms 0.22ms 0.44ms 0.66ms 0.88ms 2.00ms 3.55ms