YASKAWA CIMR-ZU A Series Programming Manual page 61

1. The drive will use the active accel/decel time to pass through the specified dead band range, but will not allow continuous operation in
Note:
that range.
2. When setting more than one Jump frequency, make sure that d3-01≥ d3-02 ≥ d3-03.
d Fre uency e erence old and Up/Do n 2 Function
d 1 Fre uency e erence old Function Selection
This parameter is effective when either of the digital input functions listed below are used:
• Accel/decel ramp hold function (H1-
• Up/Down function (H1-
No
d4-01 Frequency Reference Hold Function Selection
The operation depends on the function used with parameter d4-01.
Settin Disabled
• Acceleration hold
The hold value will be reset to 0 Hz when the Stop command is entered or the drive power is switched off. The active
frequency reference will be the value the drive uses when it restarts.
• Up/Down
The frequency reference value will be reset to 0 Hz when the Stop command is entered or the drive power is switched off.
The drive will start from 0 Hz when it is restarted.
Settin 1 Enabled
• Acceleration hold
The last hold value will be saved when the Run command or the drive power is switched off and the drive will use the saved
value as the frequency reference when it restarts. Make sure to continuously enable the multi-function input terminal set for
"Accel/decel ramp hold" (H1-
Frequency
Reference
Frequency
reference
decreases
Frequency
Width (d3-04)
Jump
Frequency 3
d3-03
Fi ure 1 2 ump Fre uency Operation
= A)
= 10 and 11)
Parameter Name
= A) or the hold value will be cleared when the power is switched on.
Frequency
reference
increases
Jump
Frequency
Width (d3-04)
Jump
Frequency
Width (d3-04)
Jump
Jump Jump
Frequency 2 Frequency 1
d3-02 d3-01
Settin
1 d e erence Settin s
Output
Frequency
an e De ault
0, 1 0
1
1