Data Setting - Hitachi SJ-FB Manual

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7.1.2 Data setting

Data setting related to speed control
Setting item
Orientation speed setting (Note 1)
Orientation direction setting (Note 2)
(Note 1) : In order to stop the motor for setting position. (Motor takes 2 rotation to stop
setting position)Don't set high frequency to the orientation speed setting.
Otherwise it will be over-voltage protection trip.
(Note 2) : Turn direction of the motor while orientation is done based on the setting of
P016.
Data setting related to position control
Setting item
Orientation stop position(Note 3)
Completion range setting
Completion delay time (Note 4)
Position loop gain(Note 5)
(Note 3) : The orientation stop position is to be set as 4096 of division (0∼4095) per 1
turn toward forward from the original point. (It is 4096 division irrespective of
the pulse number of the encoder.) The original point is where the pulse has
input to EZP-EZN.
irrespective of the turn direction.
(Note 4) : It depends on what type of main body combines with the SJ-FB, the setting
value conversion is different. Please refer to the (Note 3) of the "5.3 Items re-
garding the feed back board of the inverter main body".
(Note 5) : To improve the positioning accuracy.à Increase position loop gain (G).
When the motor is unstable.
Function
code
P014
P017
P018
P023
Stoppage goal position is like shown in Figure 7-2
Z pulse Position
(Reference point)
0
1024
2048
Figure 7-2 Concept of Orientation setting Position
Function code
P015
P016
Setting range, setting contents
0∼9999. / 1000 (10,000) (pulses)
(Setting four times fairly of the encoder pulses)
0.00∼99.99 / 100.0 (rad/s)
à Decrease position loop gain.
Motor Shaft viewed from
the load side
3072
17
Chapter 7
Setting Range, Setting Contents
0.00∼99.99 / 100.0∼120.0 (Hz)
0:Forward / 1:Reverse
0. ∼4095.
0.00∼9.99
FUNCTIONS

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