YASKAWA FSDrive-MV1000 - Page 180

2.7 H: Terminal Functions
180 YASKAWA ELECTRIC TOEP C710687 03B FSDrive-MV1000 Parameter Guide
Table 2.25 Up/Down 2 Operations
Setting 77: ASR Gain Switch
Switches the ASR gain between the values set in C5-01 and C5-03. The gain set to C5-03 is enabled when the terminal is
closed, and C5-01 is enabled when the terminal opens again. Refer to C5: Automatic Speed Regulator (ASR) on
page 136 for a more detailed description.
Setting 78: External Torque Reference Polarity Inversion
Reverses the direction of the torque reference when the terminal closes. Refer to d5: Torque Control on page 149 and
Setting the Torque Reference, Speed Limit, and Torque Compensation Values on page 150 for details.
Condition
Freq. Ref.
Source
d4-03 d4-05 d4-01 Operation Frequency Saved
1
Multi-Step Speed
Reference
0
0
0 • Accelerates (increases the bias) while the Up 2
terminal is closed.
• Decelerates (decreases the bias) while Down 2 is
closed.
• Holds output frequency (holds the bias) when no
Up 2 or Down 2 input or both active.
• Resets the bias when the reference changes.
• Operates with the frequency reference in all other
situations.
Not saved
21
If the bias and frequency
reference are constant for 5 s, the
bias is added to the active
frequency reference and reset
afterward.
31–
• Accelerates (increases the bias) while the Up 2
terminal is closed.
• Decelerates (decreases the bias) while Down 2 is
closed.
• Otherwise operates at the frequency reference.
Not saved
4
Multi-Step Speed
Reference
Va l u e
other
than 0
–
0 • When the Up 2 is enabled, drive accelerates up to
the frequency reference plus d4-03 (bias is
increased for d4-03).
• When Down 2 is enabled, drive decelerates down
to the frequency reference minus d4-03 (bias is
decreased for d4-03).
• Holds output frequency (holds the bias) when no
Up 2 or Down 2 input or both active.
• Resets the bias when the reference changes.
• Operates with the frequency reference in all other
situations.
Not saved
51
If the bias and frequency
reference are constant for 5 s, the
bias is added to the active
frequency reference and reset
afterward.
6
Other
(analog comm.,
etc.)
00
0 • Accelerates (increases the bias) while the Up 2
terminal is closed.
• Decelerates (decreases the bias) while Down 2 is
closed.
• Holds output frequency (holds the bias) when no
Up 2 or Down 2 input or both active.
• If the frequency reference changes for more than
d4-07 during accel/decel, bias value is held until the
output frequency meets the reference (speed agree).
Not saved
71
If the bias is constant for 5 s, it is
saved to parameter d4-06. The
frequency reference cannot be
overwritten, so only the bias is
saved.
8
Other
(analog comm,
etc.)
01–
• Accelerates (increases the bias) while the Up 2
terminal is closed.
• Decelerates (decreases the bias) while Down 2 is
closed.
• Otherwise operates at the frequency reference
Not saved
9
Va lu e
other
than 0
–
0 • When Up 2 is enabled, drive accelerates up to the
frequency reference plus d4-03 (increases the bias
for d4-03).
• When Down 2 is enabled, drive decelerates down
to the frequency reference minus d4-03 (decreases
the bias for d4-03).
• If the frequency reference changes for more then
d4-07 during accel/decel, bias value is held until the
output frequency meets the reference (speed agree).
Not saved
10 1
If the bias is constant for 5 s, it is
saved to parameter d4-06. The
frequency reference cannot be
overwritten, so only the bias is
saved.
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