8. Setup
8 - 4
8-2 Setting the initial parameters
The servo parameters must be set to startup the servo system. The servo parameters are input from
the NC. The input method differs according to the NC, so follow the respective NC instruction manual.
8-2-1 Setting the standard parameters
Always set the standard parameters listed in "8-2-3 Standard parameter list according to servomotor"
when starting up the system. Check the machine and servo system specifications, and determine the
setting values for the following parameters.
(1) Basic specification parameters
When performing absolute position control, set SV017, bit7=1. This may be automatically set by
NC system parameter setting, depending upon NC model. (Setting on the servo parameter screen
invalid.)
Setting basic specification parameters
No. Abbrev. Parameter
name
Explanation
F E
D
C
B
A
9
8
7
6
5 4 3 2 1
0
spm
abs
fdir
vfb
dfbx
bit
Meaning when set to 0
Meaning when set to 1
7
abs
Incremental control
Absolute position control
SV017 SPEC*
Servo specification
selection
POINT
Setting of absolute position control (SV017.bit7) may be set automatically by NC
system parameter setting, depending on NC model. In this case, setting on the
servo parameter screen is not valid.
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