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27 Parameter Write-protection
Whether drive parameters can be modified.
0: write-enable
1: write-protected
74 CONT Always ON 1
When it is set as “1”, servo is activated (RUN).
Set value: 1
Fuji ALPHA 5 Servo Drive
PA1_01 Select Control Mode
0: position control mode
1: velocity control mode
Set value: 0
PA1_06 Electronic Gear Ratio (Numerator)(0), PA1_07 Electronic Gear Ratio
(Denominator)
Calculation formula: **PA1_06/PA1_07 = (Encoder resolution * Pulse equivalent *
Mechanical reducer ratio) / Screw pitch
Example: encoder resolution 65536, pitch 5mm, pulse equivalent 0.001, mechanical
reducer ratio 1, PA1_06/PA1_07=65536×0.001/5=8192/625. Thus, PA1_06=8192，
PA1_07=625.
Set value: to be calculated.
PA1_03 Command Pulse Form
Set the input mode of pulse string as: instruction + symbol, that is “pulse +
direction”.
Set value: 0
PA1_04 Direction of Rotation Switch
Set as 0: positive direction: forward rotation (CCW)
Set as 1: positive direction: reverse rotation (CW)
Set value: 0/1
PA3_01 CONT1 Signal Distribution
Set as 1: CONT1 is distributed as RUN (i.e. SON); if not distributed, CONT1 will be
auto ON if there is no alarming when powered.
Set value: 1
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