Parker Hannifin
Troubleshooting 155
PROBLEM
CAUSE / VERIFICATION
SOLUTION
Stepper output motion does not occur. ACR
controller not configured for stepper output in
Configuration Wizard.
Correct configuration for stepper through Configuration Wizard.
Tuning gains must remain at default values:
PGAIN
0.002441406;
IGAIN
,
ILIMIT
,
IDELAY
,
DGAIN
,
DWIDTH
,
FFVEL
,
FFACC
, and
TLM
=0.
Axis encountered limits.
Verify: Status Panels
Æ
Bit Status
Æ
Axis Flags
Æ
Quinary Axis Flags.
(Each axis is indicated by Bit “Positive/Negative End-
of-Travel Limit Encountered.”)
Clear the appropriate Positive/Negative End-of-Travel Limit
Encountered Bit.
Clear any Master Kill All Motion Request Bits and Axis Kill All
Motion Request Bits.
Master Kill All Moves request is active.
Verify: Status Panels
Æ
Bit Status
Æ
Master Flags.
(Each master is indicated by Bit “Kill All Moves
Request.”)
Clear the appropriate Master Kill All Moves Request Bit.
Also clear all associated Slave Kill All Motion Request Bits.
Axis Kill All Motion Request is active.
Verify: Status Panels
Æ
Bit Status
Æ
Axis Flags
Æ
Quaternary Axis Flags.
(Each axis is indicated by Bit “ACR9000 Kill All
Motion Request.”)
Clear the appropriate Axis ACR9000 Kill All Motion Request Bit.
Master in feedhold or feedholding state.
Verify: Status Panels
Æ
Bit Status
Æ
Master Flags.
(Each master is indicated by Bit “In Feedhold or
Feedholding.”)
Set the appropriate Cycle Start Request Bit.
Slave axis not attached to master.
Check the configuration by going into the correct
PROG level. Type
ATTACH
.
Correct the configuration through the Configuration Wizard and
download the setup code.
Jog or Master Velocity set to zero (no Master
Profile).
Check these parameters by going into the correct
PROG level. Type
VEL
or
JOG VEL
.
Assign Velocity or Jog Velocity values. Example: VEL 1 or JOG
VEL X 1.
Drive will enable, but
motor will not move
Commanded feedrate override set to zero.
Check the feedrate override by going into the correct
PROG level. Type
FOV
.
Assign the appropriate feedrate override value.
Example: FOV 1 indicates a master feedrate of 1.
