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Diagnostics Optimization CT MODBUS RTU Technical Data
E300 Design Guide 391
Issue Number: 1
Current Limit Reached (L15) is set to one if the current limit is active.
Braking IGBT Active (L16) is set to one if the braking IGBT is active. As the braking IGBT active periods may be short, each time the braking IGBT is
switched on Braking IGBT Active (L16) is set to one and remains at one for at least 0.5 s.
Braking Resistor Alarm (L17) is set when the braking IGBT is active and Braking Resistor Thermal Accumulator (D17) is greater than 75.0 %. As the
braking IGBT on periods may be short Braking Resistor Alarm (L17) is always held on for at least 0.5 s.
Supply Loss (L18) indicates that the drive is in the supply loss state. This condition can only occur if supply loss detection is enabled, In the supply
loss state the drive will attempt to stop the motor.
Under Voltage (L19) indicates that the drive is in the under voltage state. See Standard Under Voltage Threshold (O11) for more details.
L15 Current Limit Reached
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default Units
Type 1 Bit Volatile Update Rate 4 ms write
Display Format Standard Decimal Places 0
Coding RO, ND, NC, PT
L16 Braking IGBT Active
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default Units
Type 1 Bit Volatile Update Rate Background write
Display Format Standard Decimal Places 0
Coding RO, ND, NC, PT
L17 Braking Resistor Alarm
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default Units
Type 1 Bit Volatile Update Rate Background write
Display Format Standard Decimal Places 0
Coding RO, ND, NC, PT
L18 Supply Loss
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default Units
Type 1 Bit Volatile Update Rate Background write
Display Format Standard Decimal Places 0
Coding RO, ND, NC, PT
L19 Under Voltage
Mode Open-Loop, RFC-A, RFC-S
Minimum 0 Maximum 1
Default Units
Type 1 Bit Volatile Update Rate 4 ms write
Display Format Standard Decimal Places 0
Coding RO, ND, NC, PT
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