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Altivar drive is showing dCb on the display

What does dCb mean on the drive display?
Product line: 
Altivar drive families: ATV12, ATV312, ATV32, ATV61, ATV71. 
All models, all serial numbers
DC Injection Braking
This is a normal drive state indicating the drive is injecting DC current into the motor to slow the motor down.  This typically appears on deceleration or at the end of the deceleration ramp.  On some drives DC Injection can be turned on using a Logic Input. 
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