If you observe a pattern similar to the middle image above after running the CHECK ENCODER SYSTEM,
consider checking the quality of the encoder ring assembly.
1.5.2.2.6.3.3 Check encoder errors
This command establishes a direct communication with the encoder chip and the Multiturn counter (if
configured). Error registers are read and displayed:
Name
Description/remedy
Startup error
Encoder initialization error. Power cycle the drive, connect the multiturn
battery (if multiturn is used).
Signal error: clipping (nonius
track)
A magnetic ring is too close to the encoder chip. Check the mechanical
assembly.
Signal error: poor level
(nonius track)
A magnetic ring is too far from the encoder chip. Check the mechanical
assembly.
Signal error: clipping (master
track)
A magnetic ring is too close to the encoder chip. Check the mechanical
assembly.
Signal error: poor level
(master track)
A magnetic ring is too far from the encoder chip. Check the mechanical
assembly.
Excessive signal frequency
for internal 12 Bit converter
Encoder maximum speed is exceeded.
Excessive signal frequency
for ABZ-converter
Encoder maximum speed is exceeded.
Period counter consistency
error: counted period
↔
calculated Nonius position
Phase error is too high. The absolute position can’t be computed reliably.
Can be caused by changed mechanics, thermal expansion or magnetic
target damage. Run diagnostics and repeat calibration.
Multiturn data consistency
error: counted multiturn
↔
external MT data
Multiturn counter doesn’t work properly. Check if the MT battery is
connected and power cycle the drive.
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