Machine Protection
6-
43
K
K
K
K
Changing
Stall
Prevention
Level
during
Operation
Using
an
Analog
Input
If
you set H3-09 (Multi-function Analog Input Terminal A2 Function Selection) to 8 (stall prevention during
operation
level), you can change the stall level during operation by setting H3-10 (Gain (Terminal A2)) and
H3-11
(Bias (Terminal A2)).
The
stall prevention level during operation enabled is the multi-function analog input terminal A2 input level
or
the set value in parameter L3-06, whichever is the smaller.
Fig 6.37 Stall Prevention Level during Operation Using an Analog Input
K
K
K
K
Detecting
Motor
Torque
If
an excessive load is placed on the machinery (overtorque) or the load is suddenly lightened (undertorque),
an
alarm signal can be set to multi-function output terminal M1-M2, M3-M4/P1-PC, or M5-M6/P2-PC.
To
use the overtorque/undertorque detection function, set B, 17, 18, 19 (overtorque/undertorque detection NO/
NC)
in one of the following parameters: H2-01 to H2-03 (selects functions for multi-function output terminals
M1-M2,
M3-M4/P1-PC, or M5-M6/P2-PC).
The
overtorque/undertorque detection level is the current level (Inverter rated output current 100%) in V/f
control,
and the motor torque (motor rated torque 100%) in vector control.
INFO
If the motor capacity is smaller than the Inverter capacity or the motor stalls when operating at the factory set-
tings, lower the stall prevention level during operation.
Stall prevention level during operation
Multi-function analog input
terminal A2 input level
(4 mA) (8.8 mA) (20 mA)
Содержание SYSDRIVE 3G3RV
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