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Sigma II User's Manual
4. Press the MODE/SET key. The display will change as follows, and the absolute
encoder's multi–turn limit setting operation will be performed.
5. Press the DATA/SHIFT key to return to the auxiliary function mode.
This completes the absolute encoder's multi-turn limit setting operation. Cycle the
power to the servo amplifier.
•
The multi-turn limit value should be changed only for special applications.
Cahanging it inappropriately or unintentionally can be dangerous.
• If the Multi-turn Limit Value Disagreement Alarm occurs, check the setting of parameter Pn205 in
the servo amplifier to be sure that it is correct. If Fn013 is executed when an incorrect value is set in
Pn205, that same incorrect value will be set in the encoder. There will not be an additional alarm,
even if an incorrect value is set, but incorrect positions will be detected.
This results in a potentially dangerous situation where the machine will move to an unexpected position.
5.7.5
Absolute Encoder Reception Sequence
The sequence in which the servo amplifier receives data from the absolute encoder
and transmits them to the host device is shown below.
Be sure you understand this section when designing the host device.
n
Outline of Absolute Signals
The absolute encoder's outputs are PAO, PBO, PCO, and PSO signals as shown
below.
PS
PG
Flashes for
1 second.
WARNING
!
Servo amplifier
Dividing
Serial data
circuit
pulse conversion
(Pn201)
Data
data
conversion
5-97
Chapter 5: Parameter Settings and Functions
PAO
PBO
PCO
PSO
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