3-115
3 Error Tables
NJ-series Troubleshooting Manual (W503)
3-1 Errors by Source
3
3-1-8 Errors in EtherCAT Slaves
38400000 hex Overspeed 2 The Servomotor
rotation
speed/motor speed
exceeded the value
set on Overspeed
Detection Level
Setting at Immedi-
ate Stop (3615
hex).
• The velocity command value is
too large.
• There is overshooting.
• The wiring is incorrect.
S Cylinder-type
Motor Manual
(Cat. No. I576)
and Linear
Motor Manual
(Cat. No. I577)
38410000 hex Command
Error
The position com-
mand variation after
the electronic gear
exceeded the spec-
ified value.
• The change in position com-
mand is too large.
• The backlash compensation
amount is too large.
S Same as
above.
38420000 hex Command
Generation
Error
During position
command process-
ing, an error such
as a calculation
range error
occurred.
• During position command pro-
cessing, an error such as a cal-
culation range error occurred.
S Same as
above.
38430000 hex Error Counter
Overflow 1
The absolute
encoder posi-
tion/absolute scale
position in pulses
divided by the elec-
tronic gear ratio
exceeded ±2
31
(2,147,483,648).
• The absolute encoder posi-
tion/absolute scale position in
pulses divided by the electronic
gear ratio exceeded ±2
31
(2,147,483,648).
S Same as
above.
38440000 hex Error Counter
Overflow 2
The position follow-
ing error in pulses
exceeded ±2
29
(536,870,912). Or,
the position follow-
ing error in com-
mand units
exceeded ±2
30
(1,073,741,824).
• There is insufficient
torque/force.
• There is insufficient gain.
• The encoder/external encoder
wiring is incorrect.
S Same as
above.
38450000 hex Interface
Input Dupli-
cate Alloca-
tion Error 1
There is a dupli-
cate setting in the
input signal (IN1,
IN2, IN3, and IN4)
function allocations.
• There is a duplicate setting in
the input signal (IN1, IN2, IN3,
and IN4) function allocations.
S Same as
above.
38460000 hex Interface
Input Dupli-
cate Alloca-
tion Error 2
There is a dupli-
cate setting in the
input signal (IN5,
IN6, IN7, and IN8)
function allocations.
• There is a duplicate setting in
the input signal (IN5, IN6, IN7,
and IN8) function allocations.
S Same as
above.
38470000 hex Interface
Input Func-
tion Number
Error 1
There is an unde-
fined number speci-
fication in the input
signal (IN1, IN2,
IN3, and IN4) func-
tion allocations. Or,
a logic setting error
was detected.
• There is an undefined number
specification in the input signal
(IN1, IN2, IN3, and IN4) func-
tion allocations.
• Different logic is set for the
same function in the function
assignments of the input sig-
nals (IN1, IN2, IN3, and IN4).
S Same as
above.
38480000 hex Interface
Input Func-
tion Number
Error 2
There is an unde-
fined number speci-
fication in the input
signal (IN5, IN6,
IN7, and IN8) func-
tion allocations. Or,
a logic setting error
was detected.
• There is an undefined number
specification in the input signal
(IN5, IN6, IN7, and IN8) func-
tion allocations.
• Different logic is set for the
same function in the function
assignments of the input sig-
nals (IN5, IN6, IN7, and IN8).
S Same as
above.
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info