Initialization Failed; Position Feedback Interface Has Timed Out; Rfc-S Mode Phasing Failure Due To Incorrect Phase Angle; Encoder Could Not Be Identified During Auto-Configuration - Emerson Unidrive M702 User Manual

Safety Product Mechanical
information information installation
Trip
Encoder 7

Initialization failed

The Encoder 7 trip indicates that the set-up parameters for position feedback device has changed. The feedback device
which has caused the trip can be identified by the sub-trip number.
Sub-trip
195
Recommended actions:
• Reset the trip and perform a save.
• Ensure Pr 3.033 and Pr 03.035 are set correctly or carry out an encoder auto-configuration (Pr 03.041 = Enabled)
Encoder 8

Position feedback interface has timed out

The Encoder 8 trip indicates that Position feedback interface communications time exceeds 250 μs. The feedback device
which has caused the trip can be identified by the sub-trip number.
Sub-trip
196
Recommended actions:
• Ensure the encoder is connected correctly
• Ensure that the encoder is compatible
• Increase baud rate
Encoder 9 Position feedback is selected from a option module slot which does not have a feedback option module installed
The Encoder 9 trip indicates that position feedback source selected in Pr 03.026 (or Pr 21.021 for the second motor map) is
not valid
197 Recommended actions:
• Check the setting of Pr 03.026 (or Pr 21.021 if the second motor parameters have been enabled)
• Ensure that the option slot selected in Pr 03.026 has a feedback option module installed
Encoder 10

RFC-S mode phasing failure due to incorrect phase angle

The Encoder 10 indicates that the phase offset angle in Pr 03.025 (or Pr 21.020 if the second motor map is being used) is
incorrect and the drive is unable to control the motor correctly.
Recommended actions:
• Check the encoder wiring
198
• Check the encoder signals for noise with an oscilloscope
• Check the encoder mechanical coupling
• Perform an auto-tune to measure the encoder phase angle or manually enter the correct phase angle into Pr 03.025
• Spurious Encoder 10 trips can sometimes be seen in very dynamic applications. This trip can be disabled by setting the
over-speed threshold in Pr 03.008 to a value greater than zero.
Encoder 12

Encoder could not be identified during auto-configuration

The Encoder 12 trip indicates that the drive is communicating with the encoder but the encoder type is not recognized.
Sub-trip
162
Recommended actions:
• Enter the encoder setup parameters manually
• Check to see the encoder supports auto-configuration
256
Electrical Getting Basic
installation started parameters
1 Drive position feedback interface 1
2 Drive position feedback interface 2
1 Drive position feedback interface 1
2 Drive position feedback interface 2
1 Drive position feedback interface 1
2 Drive position feedback interface 2
Running NV Media Card
Optimization
the motor Operation
Diagnosis
Reason
Reason
Reason
Onboard Advanced Technical
Diagnostics
PLC parameters data
Unidrive M702 User Guide
UL listing
information
Issue Number: 3