318
[68] Absolute battery retention time (Parameter No.155)
No. Name Symbol Unit Input Range
Default factory
setting
155 Absolute Battery Retention Ttime AIP -
0: 20 days
1: 15 days
2: 10 days
3: 5 days
0
For simple absolute type, set how long the encoder position information is to be retained after
the power to the controller is turned OFF. The setting can be selected from 4 phases and as the
motor rotation speed gets slower, the time to retain the position information gets longer. In the
case that there is a possibility that the slide or the rod of the actuator that transports the work
may be moved by an external force, follow the table below and calculate
(Note 1)
the number of
rotation from the moved speed and set this parameter to the value faster than this value. If the
motor rotation setting value exceeds the set value, the position information will be lost. [Refer to
the 7.2.2 Absolute Battery Charge]
Note 1 Motor rotation [rpm]
=
Moved speed [mm/s] / Lead length [mm]
×
60
Upper Limit of Motor Rotation Speed at
Power being OFF [rpm]
Setting
Other than RCA2-***NA RCA2-***NA
Position information
retaining time (reference)
0 100 75 20 days
1 200 150 15 days
2 400 300 10 days
3 800 600 5 days
[69] Torque check/Light malfunction output select (Parameter No.156)
No. Name Symbol Unit Input Range
Default factory
setting
156
Torque Check/Light Malfunction
Output Select
SLAL -
0: Outputs load
output judgment
status signal or
torque level
status signal
1: Message of light
malfunction
alarm output
0
Output of the load judgment output status signal (LOAD) or the torque level status signal
(TRQS) can be changed to the output of the light malfunction alarm (ALML). Selection of
whether to make the light malfunction alarm output the overload warning output or message
level alarm output can be conducted in Parameter No. 151. [Refer to the 8.2 [64].]
[70] Valid axis/Invalid axis select (Parameter No.158)
No. Name Symbol Unit Input Range
Default factory
setting
158 Valid Axis/Invalid Axis Select EFCT -
0: Enabled
1: Disabled
0
In the case an operation is desired to be made with less axes than what were purchased, by
setting this parameter to ineffective, an alarm would not be generated.
It is useful when connecting specific axes for operation at the startup or can be reserved for an
extension in the future.
For servo motor type and
pulse motor type only
For pulse motor type only
Chapter 8 Parameter
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