Specifications

Chapter 7 Trouble shooting
- 135 -
Is normal
temperature
in cabinet?
Review heat generating devices,
and cooling system.
N
From prior page
Y
Command
pulse train
correct?
Correct
signal voltage,
frequency
and
synchronization.
Check for electrical
noise in signal cables.
N
Y
Is speed
lower than
rated one?
Lower the actuator
speed than rated
one.
N
Y
Adjust gains
correctly.
Large
fluctuation in
load torque?
Lower its fluctuation.
Use higher output
actuator.
N
Y
Gain
adjustment
possible?
N
Y
Adjust gains
correctly.
N
Motor
wiring from
driver
correct?
Verify
motor cable
connections.
Y
N
Is torque
limit value
too small?
Set [b: torque limit]
normal.
Y
N
Is CN2
-
2
CLEAR O N
sometimes?
Try to open (OFF)
CN2-2 CLEAR
Y
To next page
Is load
inertia
proper?
Lower load inertia
N
Y
Gain
adjustment
possible?
N