3 Error Tables
3-100
NJ-series Troubleshooting Manual (W503)
35110000 hex SSI Data Set-
ting Error
There is an error in
the SSI data set-
tings.
• The sum of the values set for
the Valid Data Length and the
Leading Bits parameters
exceeds 32.
• The sum of the values set for
the Multi-turn Data Length, Sin-
gle-turn Data Length, and the
Status Data Length parame-
ters exceeds 32.
• The sum of the value set for the
start bit position and the data
length of the SSI data exceeds
the value set for the Valid Data
Length parameter.
• The value set for the Encoder
Resolution parameter exceeds
the range expressed by the
data length set for the Single-
turn Data Length parameter.
SNX-series
Position Inter-
face Units
User’s Manual
(W524)
743D0000 hex Incorrect
Synchroniza-
tion Com-
mand
Updating the target
position data in the
synchronization
refresh failed con-
secutively for more
than the specified
number of times.
• The task period of the primary
periodic task in the NJ-series
CPU Unit or the synchroniza-
tion settings in the EtherCAT
Coupler Unit is not correct.
• The motion control period in the
Motion Control Function Mod-
ule executed the task period of
the primary periodic task.
• Noise
SU Same as
above.
743E0000 hex Illegal Follow-
ing Error
The difference
between the com-
mand position and
actual position
exceeds the range
expressed by 29
bits.
• A command that exceeded the
maximum velocity (500 kpps)
was output continuously, so the
following error for the actual
output, which is restricted by
the maximum velocity, has
increased.
• A command velocity that does
not correspond to the command
position was specified when a
velocity-continuous pulse out-
put was used, so the number of
pulses that were actually output
for the updated command posi-
tion has increased.
S Same as
above.
743F0000 hex Illegal State
Transition
The EtherCAT mas-
ter or EtherCAT
Coupler Unit exe-
cuted a command
to change the com-
munications status
when the Pulse
Output Unit is in the
Operation Enabled
status.
• A communications command to
change the current communica-
tions status was received from
the communications master
while the Unit is in the Opera-
tion Enabled status.
S Same as
above.
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
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