Changing Overtorque And Undertorque Detection Levels Using An Analog Input - YASKAWA CIMR-F7A Instruction Manual

Undertorque Detection
•
Motor current (output torque)
L6-02 or L6-05
Undertorque detection 1 NO
or Undertorque detection 2 NO
The undertorque detection disabled margin is approximately 10% of the Inverter rated output
current (or motor rated torque)
Changing Overtorque and Undertorque Detection Levels Using an Ana-
log Input
If you set constant H3-09 (Multi-function Analog Input Terminal A2 Function Selection)
function Analog Input Terminal A3 Function Selection)
can change the overtorque/undertorque detection level.
If you change the overtorque/undertorque detection level using the multi-function analog input, only over-
torque/undertorque detection level 1 will be enabled.
The following diagram shows the overtorque/undertorque detection level using an analog input.
Fig 6.39 Overtorque/Undertorque Detection Level Using an Analog Input
Multi-Function Analog Input (
Set-
ting Function
Value
Overtorque/undertorque detection
7
level
*
L6-03
or
L6-06
ON
to 7 (overtorque/undertorque detection level), you
Detection level
(4 mA)
(20 mA)
H3-05,
H3-09)
Contents (100%)
Motor rated torque for vector control
Inverter rated output current for V/f control
L6-03
or
L6-06
ON
Multi-function analog input
terminal A2, A3 input level
Control Methods
V/f
Yes
Machine Protection
or H3-05 (Multi-
Open
V/f Flux
Loop
with Vec-
Vec-
PG tor
tor
Yes Yes Yes
6-
59