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0x102 - Peak current time

Address

Name

Data Type

Access

Cyclic access

NVM

Value range

Default value

Units

0x102

Peak current time

UINT32

RW

No

Yes

Data type

1000

ms

This register defines the maximum time the drive is able to source the peak current.

This register allows to configure the I2T parameters to protect the drive and/or motor in front of exceeding their thermal limit. It is a complementary protection that works together with temperature limits and current derating.

See Drive protections.

The main functionality of the I2T is to detect an instantaneous exceed of thermal energy on the drive. It covers the case where the temperature sensors are too slow to detect a dangerous situation.

This protection is always active. For modes of operation where current loop is not enabled, instead of limiting the current a fault is generated.


There is a maximum configurable I2T. If a user sets an I2T less restrictive than the allowed, the drive overwrites the user configuration with its own. The applied nominal current is the smaller between both configurations.


If maximum configurable I2T is detected before the user I2T levels, a fault is generated independently if the current loop is enabled or not.


Max current limit is applied to the total motor current →

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