Mitsubishi Electric FR-A700 Technical Manual page 267

2.10.2 Torque command setting [Pr. 304, 305, 432, 433, 447, 448, 803 to 806]
Torque command source for torque control can be selected.
[Pr. ] Name
Digital input and analog
input compensation enable/
304
disable selection
Read timing operation
305
selection
Pulse train torque command
432
bias
Pulse train torque command
433
gain
Digital torque command
447
bias
Digital torque command
448
gain
Constant power range
803 torque characteristic
selection
Torque command source
804
selection
Torque command value
805
(RAM)
Torque command value
806
(RAM,EEPROM)
* When FR-A7AZ is installed, torque command from terminal 6 is also available.
(1) Control block diagram
[Pr. 804] Torque command
source selection
0
Analog input
1,3,5,6
Parameter
([Pr. 805, Pr. 806])
16 bit digital input 4
(FR-A7AX)
Pulse train input
2
(FR-A7AL)
Initial Setting
Value Range
0 to 4,
Set 4 when inputting 12 bit Torque command value,
9999 0 to 14,
set 14 when inputting 16 bit Torque command value.
9999
0 Data is always read regardless of DY signal.
1 Data is read only when DY signal is ON.
0
Data is always read regardless of DY signal.
10
Filter is ON when reading data.
0% 0 to 400% Set torque command value when pulse train is 0.
0 to 400% Set torque command value when pulse train is 400kpps.
0% 0 to 400% Set torque command value when input signal is 7FFF
0 to 400% Set the torque command value when input signal is 0.
150%
9999 The input signal is used as the torque command value.
0 Constant motor output command
0
1 Torque constant command
Torque command by terminal1 analog input *
0
(Refer to page 43)
1 Torque command (
2 Torque command by the pulse train input (FR-A7AL).
Torque command (-400% to
3 400%) by parameter setting ([Pr.
0 805] or [Pr. 806])
4 12 bit/16 bit digital input (FR-A7AX)
Torque command by parameter
setting ([Pr. 805] or [Pr. 806])
5
6
Set from CC-Link communication
600 to Writes the torque command value to the RAM. On the assumption that 1000%
1000%
1400% is 0%, the torque command is set by an offset from 1000%.
Writes the torque command value to the RAM and EEPROM. On the
600 to
1000% assumption that 1000% is 0%, the torque command is set by an offset from
1400%
1000%.
Speed estimated
Speed limit value
value
Speed
+
limit
(proportional control)
input
Speed estimated
Speed limit value
value
-
Real sensorless vector control
Description
-
400% to 400%) by parameter setting ([Pr. 805] or [Pr. 806])
Set from other than CC-Link
-400% to 400%
-327.68% to 327.67%
+
Torque control
-
Speed control
Speed estimator
Vector control
301
PARAMETER
A700
(A700)
(7FF ).
H H
Select the torque command in the
constant power range by torque
command setting.
Torque command setting using CC-Link
communication (FR-A7NC) remote
-
register ( 400% to 400%)
Torque command setting using CC-Link
communication (FR-A7NC) remote
-
register ( 327.68% to 327.67%)
—
Motor
Encoder
2