Omron NJ501-1400 User Manual page 360

11 Troubleshooting
Event code Event name
74270000 hex Home Prox-
imity/Homing
Opposite
Direction
Limit Input
Detected
74280000 hex Home Prox-
imity/Homing
Direction
Limit Input
Detected
74290000 hex Home
Input/Hom-
ing Opposite
Direction
Limit Input
Detected
742A0000 hex Home
Input/Hom-
ing Direction
Limit Input
Detected
742B0000 hex Invalid Home
Input Mask
Distance
742C0000 hex No Home
Input
742D0000 hex No Home
Proximity
Input
11-14
Meaning Assumed cause
The home proxim- • The wiring of the home proxim-
ity input and the ity signal or limit signal is incor-
limit signal in the rect.
direction opposite
• The home proximity sensor or
to the homing direc-
limit sensor is installed in the
tion were detected
wrong location.
during a homing
• The contact logic of the home
operation.
proximity signal or limit signal is
not correct.
• The home proximity sensor or
limit sensor failed.
The home proxim- • The wiring of the home proxim-
ity input and the ity signal or limit signal is incor-
limit signal in the rect.
homing direction
• The home proximity sensor or
were detected at
limit sensor is installed in the
the same time dur-
wrong location.
ing a homing opera-
• The contact logic of the home
tion.
proximity signal or limit signal is
not correct.
• The home proximity sensor or
limit sensor failed.
The home input and • The wiring of the home input
the limit signal in signal or limit signal is incorrect.
the direction oppo-
• The home input sensor or limit
site to the homing
sensor is installed in the wrong
direction were
location.
detected at the
• The contact logic of the home
same time during a
input signal or limit signal is not
homing operation.
correct.
• The home input signal output
device or limit sensor failed.
The home input and • The wiring of the home input
the limit signal in signal or limit signal is incorrect.
the homing direc-
• The home input sensor or limit
tion were detected
sensor is installed in the wrong
at the same time
location.
during a homing
• The contact logic of the home
operation.
input signal or limit signal is not
correct.
• The home input signal output
device or limit sensor failed.
The setting of the • The set value of the home input
home input mask mask distance when the oper-
distance is not suit- ating mode of the MC_Home
able for the instruction is set to Proximity
MC_Home instruc- Reverse Turn/Home Input Mask
tion. Distance is insufficient to decel-
erate from the homing velocity
to the homing approach veloc-
ity.
There was no home • There was no home signal input
signal input during during the homing operation.
the homing opera-
• A limit signal was detected
tion. Or, a limit sig-
before there was a home input.
nal was detected
before there was a
home input.
There was no home • There was no home proximity
proximity signal signal input during the homing
input during the operation when a home proxim-
homing operation. ity input signal was specified.
Level
Maj Prt Min
√
√
√
√
√
√
√
NJ-series CPU Unit Motion Control User's Manual (W507)
Reference
Obs Info
page 11-35
page 11-36
page 11-36
page 11-37
page 11-37
page 11-38
page 11-38