YASKAWA G7 Series Technical Manual page 143

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Reference Frequency Hold: d4
User parameters for the reference frequency hold function are shown in the following table.
Name
Parameter
Number
Display
Frequency
This parameter is used to
Reference
retain the held frequency
Hold
reference in U1-01 (d1-01)
Function
when power is removed. This
Selection
function is available when the
multi-function inputs "accel/
d4-01
decel ramp hold" or
"up/down" commands are
MOP Ref
selected (H1-XX = A or 10
Memory
and 11).
0: Disabled
1: Enabled
Trim Control
Sets the amount of frequency
Lvl
reference to be added or
subtracted as a percentage of
maximum output frequency
d4-02
(E1-04) when multi-function
Trim Control
inputs "trim control increase"
Lvl
and "trim control decrease"
are selected (H1-XX = 1C
and 1D).
Torque Control: d5
User parameters for the torque control are shown in the following table.
Name
Parameter
Number
Display
Torque
Selects speed or torque control.
Control
The torque reference is set via
Selection
analog input A2 or A3 when it
is set for "torque reference"
(H3-05 or H3-09 = 13). Torque
reference is set as a percentage
of motor rated torque. To use
d5-01
this function for switching
between speed and torque
Torq Control
control, set to 0 and set a multi-
Sel
function input to "speed/torque
control change" (H1-xx = 71).
0: Speed Control (controlled
by C5-01 to C5-07)
1: Torque Control
Torque
Sets the torque reference
Reference
delay time in milliseconds.
Delay Time
This function can be used to
correct for noise in the torque
d5-02
control signal or the
responsiveness with the host
Torq Ref
controller. When oscillation
Filter
occurs during torque control,
increase the set value.
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Setting
Factory
Description
Range
Setting
0 or 1
0
to
10%
100
Setting
Factory
Description
Range
Setting
0 or 1
0
to
0ms
1000
User Parameter Tables
Control Methods
Change
Open
V/f
during
Loop
V/f
with
Operation
Vector
PG
1
0
No
A
A
A
No
A
A
A
Control Methods
Change
Open
V/f
during
Loop
V/f
with
Operation
Vector
PG
1
0
No
No
No
No
*
No
No
No
No
Open
MODBUS
Flux
Loop
Register
Vector
Vector
2
A
A
298H
A
A
299H
Open
MODBUS
Flux
Loop
Register
Vector
Vector
2
A
A
29AH
A
A
29BH
31
5-

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