3-119
3 Error Tables
NJ-series Troubleshooting Manual (W503)
3-1 Errors by Source
3
3-1-8 Errors in EtherCAT Slaves
74810000 hex Command
Error
A mistake was
made in using a
command.
• When bit 09 (Remote) of the
Statusword (6041 hex) was set
to 1 (remote), and the Servo
Drive was in operation enabled
state (Servo ON), a command
was received that changes the
communications state from
Operational to another state
(Init, Pre-operational, or Safe-
operational state).
• When bit 09 (Remote) of the
Statusword (6041 hex) was set
to 0 (local), a command was
received during FFT or test run
status that changes the ESM
state from Operational, Safe-
operational, or Pre-operational
state to Init state.
• An unsupported number was
set for 6060 hex (Operation
Mode).
• During Fully-closed Control
Mode, csv or cst was set for
6060 hex (Operation Mode)
(This applies to Cylinder-type
Servomotors.).
• The setting of 6060 hex (Opera-
tion Mode) was changed at an
interval of less than 2 ms.
• Homing was started when 6098
hex (Homing Method) was set
to a value other than 8, 12, 19,
20, 33, 34,or 35.
• Data setting warnings (B0 hex)
occurred continuously for the
number of data setting warn-
ings that is set in 3781 hex
(Data Setting Warning Detec-
tion Count).
S Cylinder-type
Motor Manual
(Cat. No. I576)
and Linear
Motor Manual
(Cat. No. I577)
78010000 hex Operation
Command
Competition
An attempt was
made to establish
EtherCAT commu-
nications or to turn
ON the Servo from
the Controller
(enable operation)
while executing an
FFT that operates
with the Servo
Drive alone or a
trial run.
• EtherCAT communications
(change from Init to Pre-opera-
tional state) was established or
an attempt to turn ON the
Servo from the Controller
(enable operation) was made
while executing an FFT that
operates with the Servo Drive
trial run.
S Same as
above.
78020000 hex Absolute
Encoder Sta-
tus Error
The rotation of the
encoder was higher
than the specified
value when the
power supply was
turned ON.
• The rotation of the encoder was
higher than the specified value
when the power supply was
turned ON.
S Cylinder-type
Motor Manual
(Cat. No. I576)
84B10000 hex EtherCAT
State
Change Error
A communications
state change com-
mand was received
for which the cur-
rent communica-
tions state could not
be changed.
• A communications state
change command was received
for which the current communi-
cations state could not be
changed.
S Cylinder-type
Motor Manual
(Cat. No. I576)
and Linear
Motor Manual
(Cat. No. I577)
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
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