Troubleshooting For Orientation Errors - Mitsubishi Electric MDS-B-SPJ2 Series Specification Manual

8.5.6 Troubleshooting for orientation errors

(1) Orientation is not carried out.
(a) The spindle rotates without stopping.
Cause
The parameters
are not appropriate
The specifications
do not match
Wiring error
(2) The spindle stops after passing the orientation stop. (The spindle stops after swaying.)
Cause
The parameters
are not appropriate
8. Adjustment Procedure
Investigation items
The orientation detector and
parameters do not match.
Parameter SFNC5
Motor built-in encoder
orientation......................... 4
Encoder orientation .......... 1
Magnesensor.................... 2
Orientation was attempted
with a standard motor that is
not a motor built-in encoder
with a Z phase.
The connector pin No. is
incorrect, or the connector No.
to be inserted was incorrect.
Investigation items
The gear ratio parameters
GRA1 to 4 and GRB1 to 4 are
incorrect.
The problem will improve if the
parameter CSP is halved.
The problem will improve if the
parameters PGM and
PGE are halved.
The orientation stops in one
direction (CCW or CW). Bit 0.1
of parameter SPECO is not
set to 0.
Remedy
Correctly set parameter
SFNC5 .
Change to a motor having
a motor built-in encoder
with Z phase.
Change the wiring.
Remedy
Correctly set the gear
ratio parameters.
Readjust the parameter
CSP , and select the
optimum value.
Readjust the parameters
PGM and PGE , and
select the optimum value.
Set the orientation stop to
PRE. (Change SPECO
to PRE.)
8 − 13
Remarks
For motor
built-in encoder
orientation
Remarks
CSP2, CSP3
and CSP4 are
remedied in the
same manner.