Omron NX701-17 Series Troubleshooting Manual page 289

Event code Event name
38520000 hex Function Set-
ting Error
38530000 hex Magnetic
Pole Position
Estimation
Error 1
38540000 hex Magnetic
Pole Position
Estimation
Error 2
38550000 hex Magnetic
Pole Position
Estimation
Error 3
NJ/NX-series Troubleshooting Manual (W503)
Meaning Assumed cause
The function that • The electronic gear object ratio
was set does not was not 1:1 when the communi-
support the com- cations period was set to 500
μs.
munications period.
• Modes of operation (6060 hex)
was set to pp or hm when the
communications period was set
to 500 μs.
• More than 12 bytes were
mapped for RxPDO in Fully-
closed Control Mode (This
applies only to Cylinder-type
Servomotors.).
• Modes of operation (6060 hex)
was set to pp or hm in Fully-
closed Control Mode when the
communications period was set
to 1 ms and the electronic gear
parameter ratio was not set to
1:1 (This applies only to Cylin-
der-type Servomotors.).
• No bytes (i.e., no objects) were
mapped for RxPDO.
• More than 10 objects were
mapped for RxPDO.
• More than 11 objects were
mapped for TxPDO.
• CSP Switching Reference Posi-
tion (4020 hex) was mapped for
TxPDO when the communica-
tions period was set to 500 μs
or when the electronic gear
object ratio was not set to 1:1.
Magnetic pole posi- • Settings associated with the
tion estimation was external encoder are incorrect.
not completed suc-
• The command time or force
cessfully.
command value for magnetic
pole position estimation is too
low.
• There is a large unbalanced
load or friction.
Magnetic pole posi- • The value set for the Magnetic
tion estimation was Pole Position Estimation Time
not completed suc- Limit for Stop (3927 hex) is
cessfully because small compared with the actual
the motor did not stop time of the motor.
stop within the
• The motor is moving when no
Magnetic Pole
force is applied.
Position Estimation
Time Limit for Stop.
Magnetic pole posi- • The Magnetic Pole Detection
tion restoration was Method (3920 hex) object was
not completed suc- set to 3 (Magnetic pole position
cessfully. restoration method), although
magnetic pole position estima-
tion had never been executed.
• The Magnetic Pole Detection
Method (3920 hex) was set to 3
(Magnetic pole position resto-
ration method) when a non-
absolute type external encoder
was used.
3 Error Tables
Level
Maj Prt Min Obs Info
S I576, I577
S I577
S I577
S I577
Reference
3
3-211