Panasonic minas a series Operating Manual page 71

Protective Functions
Alarm
Protection
Code No.
The power of the encoder is out.
Absolute
40
system
down error
41
Absolute encoder
The data of the multi-turn counter of the
counter overflow
encoder exceeds the specified limit.
42
The encoder rotates faster than the
Absolute encoder
specified rate when it is battery-powered.
overspeed error
* Absolute
44
The encoder detects an error of the
encoder single-
single-turn counter.
turn counter
error
* Absolute
45
The encoder detects an error of the multi-
encoder multi-
turn counter.
turn counter
error
47
Absolute
The encoder detects an internal status error.
encoder
After the control power on, the encoder ro-
status error
tates faster than the specified rate.
Full close
97
When an 11-wire encoder is used, Pr02 (con-
selection
trol mode selection) is set to 7, 8 or 9 ("full-
error
close" control).
The control circuit operates incorrectly due
* Other error
to large noises or any other reasons.
error
N u m b e r s
The driver's self-diagnosing function is acti-
* Other error
other than
vated, because an error happens in the driver.
the above
Cause
- 70 -
Countermeasures
Check the voltage of the battery. Connect to
the battery, and then clear the encoder using
the absolute encoder clear mode contained
in the auxiliary function (see Details of Op-
eration in Appendix).
Limit the movable range to ?32767 revolu-
tions (15 bits) from the initial position. Adjust
the value of Pr0B.
Connect the power to the encoder and then
make sure that the encoder voltage is
5V?5%. Correct the SIG connections, if nec-
essary.
The motor may be broken. Replace the mo-
tor with a new one. Return the old motor to
the sales agent for repair.
Take measures to keep the motor away from rotating until
the driver outputs S-RDY.Take measures to keep the
motor away from rotating until the driver outputs S-RDY.
Set the value of Pr02 to 0, 1, 2, 3, 4 or 5.
Turn off the power and turn it on again. If the
error cannot be eliminated, the motor and/or
driver may be broken. Disconnect the power
supply of these equipment, and replace them
with new ones. Return the old equipment to
the sales agent for repair.