3.1.9.1.46 0x200A I2t
Name
Index:Sub Type
Bit
Size
Options
Unit Access
PDO
Mapping
Enabled
0x200A:1
USINT
8
Disabled
0
Enabled (current limit
at 100%)
1
Enabled (error at
100%)
2
readwrite
Enables or disables the I2t protection feature.
Name
Index:Sub Type
Bit
Size
Min
Data
Max
Data
Default
Data
Unit Access
PDO
Mapping
Peak time
0x200A:2
UDINT
32
3600000 0
ms
readwrite
This field determines how long the motor can operate while peak rms current is flowing in its windings.
This time should be determined by motor manufacturer.
Name
Index:Sub Type
Bit
Size
Min
Data
Max
Data
Default
Data
Unit Access
PDO
Mapping
Percent max
0x200A:3
USINT
8
0
readonly
(default)
This is an index of your motor "over-heat" status. It changes between 0 and 250. At 0%, the motor is not
over heated. When this value reaches 100% the motor is at its maximum allowed over heated condition,
and if I2t is enabled, the maximum rms current will be limited. This limitation is going to be removed when
the percentage goes down to 50% or less.
Name
Index:Sub Type
Bit
Size
Min
Data
Max
Data
Default
Data
Unit Access
PDO
Mapping
Protection
active
0x200A:4
BOOL
1
0
readonly
(default)
As long as it is 0, i2t protection is not putting any limit on maximum rms current of your motor. Once it is 1
it means that i2t protection is limiting the "maximum rms currents" of your motor to its rated value.
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