Hitachi SJ-FB manual Stat

Models: SJ-FB

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Chapter 7 FUNCTIONS

(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

With terminal assignment

Contents

Input

The pulse train position

Set ‘48’ to one of

 

command input

Pulse train position command

permission signal.

C001∼C008

input is valid while ON.

 

(STAT)

 

 

Output

Positioning completion

Set ‘23’ to one of

Output when it entered into the

signal.(POK)

C021∼C025

positioning completion range

 

 

 

 

 

 

 

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 P019P021 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)

 

01

01

00 (FB)

00 (FB)

 

(REF)

(REF)

 

 

 

 

 

 

 

 

 

 

Numerator

of

ration

setting

for

electronic

gear

1024

2048

1024

2048

(P020)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Denominator

of

ratio

setting

for

electronic

gear

2048

1024

2048

1024

(P021)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Slave side

turn

number to the master side

turn

1/2

2

2

1/2

number

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Hitachi SJ-FB manual Stat