Product Specification - Hitachi SJ-FB Manual

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Product specification

Item
Encoder feed-back:
Speed
control
Speed control sys-
Position command:
Position
control
Electronic gear:
Stop position:
Orienta-
tion
Speed:
Protection function
(Note 1): The main body setting or external input is selectable.
SJ-DG (digital input option board) is required in case of external input.
(Note 2): 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".
• Standard encoder pulse number 1024 pulse/r
• Max. input pulse 100k pulse/s
• Proportional-Integral (PI) / Proportional (P) control
tem:
• Three kinds of pulse train input selectable by main body setting.
Mode 0 : 90° phase difference pulse
Mode 1 : Forward/Reverse signal pulse
Mode 2 : Forward pulse/Reverse pulse
• Max. input pulse 100k pulse/s
• Pulse ratio A/B (A, B: 1~9999 selectable)
• Setting range 1/50 ≤ A/B ≤ 20
• 4096 division against 1 rotation of the motor shaft (Note 1)
• Orientation speed and turn direction selectable
• Encoder cable line break protection
• Over speed protection (over speed error detection level (P026))
(Note 2)
• Positioning error
• Connection abnormal of SJ-FB
Chapter 9
Specification
26
SPECIFICATION

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