YASKAWA F7 Programming Manual

Programming 130
Torque limit is activated in both the speed and torque control when operating in open loop vector or flux vector control methods
(A1-02 = 2 or 3). If the multi-function analog input is programmed for “10: Forward Torque Limit”, “11: Reverse Torque
Limit”, “12: Regen Torque Limit”, or “15: FWD/REV Torque Limit”, the Drive uses the lower value of either L7-0x or analog
input torque limit.
Fig. 94 Torque Limit - 4 Quadrant Operation
The following block diagram shows the relationship between torque limit using parameter settings and torque limit using multi-
function analog inputs.
Fig. 95 Torque Limit Block Diagram
REV Run Regen
L7-04
Positive Torque Reference
Negative Torque Reference
FWD Motor Rotation
REV Motor Rotation
REV Run Motor
L7-02
FWD Run Regen
L7-03
FWD Run Motor
L7-01
Quadrant 1
Quadrant 2
Quadrant 3
Quadrant 4
10: Fw d Torque Limit
11: R ev T orque Limit
12: R egen Torque Limit
15: T orque Limit
Mult-function A nalog Input
Term inal
A2 or A3
A
D
M in
M in
M in
M in
Positive
to rq u e
forw ard drive,
fo rw ard to rq u e
f
r
re ve rs e d rive,
re ve rs e to rq u e
L7-01 Forw ard Torque Limit
L7-02 R everse Torque Limit
L7-03 Forw ard R egen T orque Limit
L7-04 R everse R egen T orque Limit
M in
M in
re ve rs e p o sitive regenerative torque
forw ard negative regenerative torque
Min: M inimum value priority c ircuit
M in
M in
M in
M in
M in
M in
175% of D rive rated current
S F S
S F S
S F S
S F S
rg
fg
C onstants
64 m s
Forw ard T orque Limit
R everse Torque Limit
Forw ard R egen Torque Limit
R everse Regen Torque Limit
Terminal
A2 or A3
Multi-function Analog Input
10:Fwd Torque Limit
11:Rev Torque Limit
12:Regen Torque Limit
15:Torque Limit
Positive
torque
M in
M in
forward drive,
forward torque
rg
fg
reverse positive regenerative torque
forward negative regenerative torque
M in:Minimum value priority circuit
reverse drive,
reverse torque
M in
M in
M in
M in
M in
M in
M in
M in
M in
M in
SFS
SFS
SFS
SFS
64 ms
Constants
L7-01 Forward Torque Limit
L7-02 Reverse Torque Limit
L7-03 Forward Regen Torque Limit
L7-04 Reverse Regen Torque Limit
175% of Drive rated current
Forward Torque Limit
Reverse Torque Limit
Forward Regen Torque Limit
Reverse Regen Torque Limit

YASKAWA F7 Specifications

General

Series	F7
Type	DC Drive
Feedback	Tachometer, Encoder
Communication	RS-485, DeviceNet, Profibus, Modbus
Protection Features	Overcurrent, Overvoltage, Undervoltage, Overheating, Short Circuit
Storage Temperature	-20°C to +70°C (-4°F to 158°F)
Humidity	95% RH or less (non-condensing)
Enclosure Rating	IP20
Input Voltage	200-240V AC, 380-480V AC