Hitachi SJ-FB Manual page 20

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(Note 3) : N/D must be given as the ranges of 1/50 ≤ (N/D) ≤ 20.
(N: Electronic gear ratio numerator, D: Electronic gear ratio denominator)
(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
regarding the feed back board of the inverter main body".
Data setting of input-output terminals
Input-output terminal
The pulse train position
command input
permission signal.
(STAT)
Positioning completion
signal.(POK)
Set '48' (the pulse train position command input permission signal (STAT)) to one of
C001∼C008. Pulse train position command input is valid only in the case that the STAT
terminal is turned ON. In the case that the STAT terminal is OFF or unestablished,
pulse train position command input is invalid.
Below the example of the proportion of the slave side turn number to the master side
turn number by the setting of P019 P021 is shown. (Yet, the encoder pulse number of
the master side and slave side are same and be in the case of 1024 pulses. )
Position selection for electronic gear (P019)
Numerator of ration setting for electronic gear
(P020)
Denominator of ratio setting for electronic gear
(P021)
Slave side turn number to the master side turn
number
With terminal assignment
Set '48' to one of
C001∼C008
Set '23' to one of
C021∼C025
01
(REF)
1024
2048
1/2
20
Chapter 7
FUNCTIONS
Contents
Pulse train position command
input is valid while ON.
Output when it entered into the
positioning completion range
01
00 (FB)
00 (FB)
(REF)
2048
1024
1024
2048
2
2
2048
1024
1/2

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