Chapter 8 PROTECTION FUNCTION
Product specification
Item Specification
Encoder
feed-back:
• Standard encoder pulse number 1024 pulse/r
• Max. input pulse 100k pulse/s
Speed
control
Speed control
system:
• Proportional-Integral (PI) / Proportional (P) control
Position
command:
• 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
Position
control
Electronic gear:
• Pulse ratio A/B (A, B: 1~9999 selectable)
• Setting range 1/50 ≤ A/B ≤ 20
Stop position:
• 4096 division against 1 rotation of the motor shaft
(Note 1)
Orientat
ion
Speed:
• Orientation speed and turn direction selectable
Protection function
• Encoder cable line break protection
• Over speed protection (over speed error detection
level (P026)) (Note 2)
• Positioning error
• Connection abnormal of SJ-FB
(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“.
HITACHI
35
HAL-PC0411