When turning off the drive controller with a absolute encoder (multiturn), the actual feedback position will be stored. When powered up, the absolute position given by the encoder is compared to the stored position. If the deviation is larger than the paramaterized "P-0-0097, AbsoluteEncoderMonitoring Window", the error "F276, Absolute Encoder Error" will appear and be given to the control system. Cause: 1. Turning on for the first time (invalid stored position). 2. The motor was moved further than allowed by the parameter in the absolute encoder monitoring window, P-0-0097, while it was turned off. 3. Incorrect position initialization
Remedy
For 1. Press S1 to reset the error and set the absolute position. For 2. The motor was moved while turned off and sits outside of its permissible position. Check to see if the displayed position is correct in relation to the machine zero point. Reset subsequent errors. For 3. An accident may occur by accidental shaft movement. Check absolute position informartion. A feedback defect is present if the absolute position information is false. The motor should be exchanged and sent to the INDRAMAT Customer Service .
F629 Positive Travel Limit Value is Exceeded
The drive has been provided with a command value that leads to an axis position outside the positive travel range. The axis has been stopped and the error reaction "set velocity command value to zero" issued. Bit 2 of P0-0090, Travel limit parameter has been set to "Exceeding the travel limit is an error", or a drive control command has been started while the axis limit value is exceeded (e.g. drive-controlled homing). Cause: S-0-0049, Positive position limit value is exceeded. Remedial action: 1. Check S-0-0049, Positive position limit value 2. Check the controller software limits 3. Activate the axis after the error reaction
Common problem
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