298
PARAMETER
2.10 Torque control by Real sensorless vector control and
vector control
2.10.1 Torque control
(A700)
(1) Control block diagram
The following shows a basic control block diagram during torque control.
A700
Terminal 1
CC-Link
(FR-A7NC)
Actual speed or estimated speed
< Speed limit value
Actual speed or estimated speed
Speed limit value
-
+
Terminal 2
Terminal 4
Terminal 1
Terminal 2 bias [
C2, C3 (Pr. 902)
]
Terminal 1 bias [
C12,C13 (Pr. 917)
]
Terminal 2 gain [
Pr. 125, C4 (Pr. 903)
]
Terminal 1 gain [
C14,C15 (Pr. 918)
]
Terminal 4 bias [
C5, C6 (Pr. 904)
]
Terminal 4 gain [
Pr. 126, C7 (Pr. 905)
]
AU
AU
Analog
input
selection
[
Pr. 73
]
RL
RH
REX
Option
Multi-speed
selection
[
Pr. 4 to 6,
24 to 27,
232 to 239
]
Operation
panel
Operation Mode
Speed
setting filter
Analog input offset
adjustment
[
Pr. 849
]
Terminal 1
Speed
setting
filter
Parameter
Speed limit selection
A
Speed limit
RM
RT
RT
RT
RT
RT
RT
Terminal 1 input 0 to 10V
Terminal 1 input 0 to 10V
Terminal 1 input -10 to 0V
Terminal 1 input -10 to 0V
Reverse
rotation
Reverse
rotation
Forward
rotation
Forward
rotation
Maximum
frequency
Speed
limit
value
Speed control
(proportional
control)
[
Pr. 807
= 2]
[
Pr. 79
]
[
Pr. 74
]
[
Pr. 74
]
[
Pr. 832
]
[
Pr. 822
]
[
Pr. 807
= 1]
[
Pr. 858
= 0]
[
Pr. 868
= 0]
[
Pr. 868
= 5]
[
Pr. 808, Pr. 809
]
[
Pr. 822
]
[
Pr. 832
]
[
Pr. 74
]
[
Pr. 74
]
[
Pr. 1
]
[
Pr. 832
= 9999]
[
Pr. 832
= 9999]
[
Pr. 832
= 9999]
[
Pr. 832
= 9999]
[
Pr. 822
= 9999]
[
Pr. 822
= 9999]
[
Pr. 822
= 9999]
[
Pr. 822
= 9999]
[
Pr. 807
= 0]
[
Pr. 826
]
[
Pr. 74
]
[
Pr. 826
= 9999]
[
Pr. 826
= 9999]
[
Pr. 836
]
[
Pr. 74
]
[
Pr. 836
= 9999]
[
Pr. 836
= 9999]
Terminal 1 bias [
C16,C17 (Pr. 919)
]
Terminal 1 gain [
C18,C19 (Pr. 920)
]
Parameter
[
Pr. 805, Pr. 806
]
[
Pr. 868
= 3, 4]
[
Pr. 804
]
[
Pr. 803
]
Torque
setting filter
Torque command
source selection
Constant power range torque
characteristic selection
16 bit digital input
(FR-A7AX)
Pulse train
(FR-A7AL)
Terminal 6
FR-A7AZ
Terminal 6
FR-A7AZ
Terminal 6
FR-A7AZ
Summary of Contents for FR-A700 Series
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