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YASKAWA varispeed G7 CIMR-G7B series User Manual

YASKAWA varispeed G7 CIMR-G7B series
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Machine Protection
6-47
Multi-function Analog Input (H3-05, H3-09)
Note The forward torque limit is the limit value when the analog input signal generates forward torque. This torque limit setting is enabled even when the
analog input signal generates forward torque while the motor is operating (regeneration).
Setting the Torque Limit in Constants
Using L7-01 to L7-04, you can set individually four torque limits in the following directions: Forward drive,
reverse drive, forward regeneration, and reverse regeneration.
Set the Torque Limit Value Using an Analog Input
You can change the analog input level torque limit value by setting the torque limit in multi-function analog
input terminals A2 and A3.
The analog input terminal signal level is factory-set as follows:
Multi-function analog input terminal A2: 4 to 20 mA
Multi-function analog input terminal A3: 0 to 10
The following diagram shows the relationship between the torque limits.
Fig 6.37 Torque Limit by Analog Input
Set-
ting
Value
Function Contents (100%)
Control Methods
V/f
V/f
with
PG
Open
Loop
Vec-
tor
1
Flux
Vec-
tor
Open
Loop
Vec-
tor
2
10 Positive torque limit Motor's rated torque No No Yes Yes Yes
11 Negative torque limit Motor's rated torque No No Yes Yes Yes
12 Regenerative torque limit Motor's rated torque No No Yes Yes Yes
15 Positive/negative torque limit Motor's rated torque No No Yes Yes Yes
Negative
Reverse operation
Regenerative torque limit
Regenerative torque limit
Forward torque limit
Positive/negative torque limits
Positive/negative torque limits
No. of motor rotations
Forward operation
Negative torque limit
Positive
Output torque

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YASKAWA varispeed G7 CIMR-G7B series Specifications

General IconGeneral
BrandYASKAWA
Modelvarispeed G7 CIMR-G7B series
CategoryInverter
LanguageEnglish

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