YASKAWA FSDrive-MV1000 Parameter Manual page 144

2.4 d: Reference Settings
u d4: Frequency Reference Hold and Up/Down 2 Function
d4-01: Frequency Reference Hold Function Selection
n
Determines whether the frequency reference or the frequency bias (Up/Down 2) value is saved when the Stop command
is entered or the power supply is shut down.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-
• Up/Down 2 function (H1-
No.
d4-01
The operation depends on the function used with parameter d4-01.
Setting 0: 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.
• Up/Down 2
The frequency bias is not saved when the Stop command is entered, or 5 s after the Up/Down 2 command has been
released. The Up/Down 2 function will start with a bias of 0% when the drive is restarted.
Setting 1: Enabled
• Acceleration hold
The last hold value will be saved when the Run command or the drive power is switched off. The drive will use the
value that was saved as the frequency reference when it restarts. Make sure to continuously enable the multi-function
input terminal set for "Accel/decel ramp hold" (H1-
switched on.
Figure 2.34
Frequency reference
144
= A)
= 10 and 11)
= 75 and 76)
Name
Frequency Reference Hold Function Selection
Power supply
OFF
ON (closed)
(open)
Forward Run / Stop
ON
OFF (open)
Hold Accel/Decel
(closed)
Output frequency
Hold
Figure 2.34 Frequency Reference Hold with Accel/Decel Hold Function
Setting Range
= A) or the hold value will be cleared when the power is
ON (closed)
OFF
(open)
OFF (open)
OFF (open) ON (closed)
Hold
YASKAWA ELECTRIC TOEP C710687 03B FSDrive-MV1000 Parameter Guide
Default
0 or 1
ON (closed)
common_TMonly
ON (closed)
d4-01 = 1
d4-01 = 0
0