Chapter 17 Motion control instructions
490 Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
Value MACRO ID Description
09 MC_FB_ERR_
VELOCITY
The axis is not operational because the motion profile requested in a function block conflicts with the
current axis velocity.
Possible causes:
• The function block requests the axis to reverse the direction while the axis is moving.
• The current velocity is too low or too high for the requested motion profile.
Reset the state of the axis using the MC_Reset function block.
Correct the motion profile in the function block, or re-execute the function block when the axis velocity
is compatible with the requested motion profile.
10 MC_FB_ERR_
SOFT_LIMIT
The axis is not operational because a Soft Limit error was detected, or executing the function block
would cause a Soft Limit error.
Reset the state of the axis using the MC_Reset function block.
Check the velocity or target position settings for the function block, or adjust Soft Limit setting.
11 MC_FB_ERR_
HARD_LIMIT
The axis is not operational because a Hard Limit error was detected.
Reset the state of the axis using the MC_Reset function block, and then move the axis away from the
Hard Limit switch in the opposite direction.
12 MC_FB_ERR_
LOG_LIMIT
The axis is not operational because a PTO Accumulator logic limit error was detected, or executing the
function block would cause a PTO Accumulator logic limit error.
Reset the state of the axis using the MC_Reset function block.
Check the velocity or target position settings for the function block. Use the MC_SetPosition function
block to adjust the axis coordinate system.
13 MC_FB_ERR_
ERR_ENGINE
The axis is not operational because a motion engine execution error was detected.
Power cycle the entire machine and download the User Application to the controller again.
If the fault persists, contact your local Rockwell Automation technical support representative. For
contact information, see: http://www.rockwellautomation.com/support.
16 MC_FB_ERR_
NOT_HOMED
The axis is not operational because the axis is not homed.
Reset the state of the axis using the MC_Reset function block.
Execute homing against the axis using MC_Home function block.
128 MC_FB_ERR_
PARAM_MODIFIED
Motion internal warning, Warning ID = 0x80.
Contact your local Rockwell Automation technical support representative. For contact information, see:
http://www.rockwellautomation.com/support.
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