Yaskawa Sigma-5 User Manual: MECHATROLINK-II Commands Manual de usuario Pagina 99

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5 Command Related Parameters
5.2.3 Motion Sequence Setting
5-10
5.2.3 Motion Sequence Setting
This section describes parameters related to the actions of EX_POSING and ZRET commands.
(1) Settings for EX_POSING Command
Set the travel distance from the external signal input position to the final target position for execution of an
EX_POSING command. If a negative value (distance to the negative direction) or a small value is set, the axis
will decelerate to a stop and then move to the reverse direction for positioning.
(2) Settings for ZRET Command
This section describes the parameters to set the following items for ZRET command.
Pn816: Homing direction selection
Pn817 or Pn842: Approach speed after the origin limit signal is input (DEC signal turns ON)
Pn818 or Pn844: Approach (creep) speed after the latch signal is input
Pn819: Final travel distance from the latch signal input position to the origin
∗1. The value of Pn842 is effective only when the value of Pn817 is 0.
∗2. The value of Pn844 is effective only when the value of Pn818 is 0.
Information: Set Pn819 (Final Travel Distance for Homing) to a value that satisfies the following
equation.
When Pn816=n.0: Origin = Latch signal input position + Pn819
When Pn816=n.1: Origin = Latch signal input position – Pn819
Parameter
No.
Name
Data
Size
(byte)
Setting Range Unit
Factory
Setting
Pn814
Final Travel Distance for External Position-
ing
4
–1073741823 to
1073741823
Reference unit 100
Final Travel Distance for External Positioning (Pn814)
Latch signal
Parameter Meaning Factory Setting
Pn816
n.0 Forward direction homing
n.0
n.1 Reverse direction homing
Parameter
No.
Name
Data
Size
(byte)
Setting Range Unit
Factory
Setting
Pn817
Homing Approach Speed 1
*1
2 0 to 65535
100
reference units/s
50
Pn842 4 0 to 20971520 0
Pn818
Homing Approach Speed 2
*2
2 0 to 65535
100
reference units/s
5
Pn844 4 0 to 20971520 0
Pn819 Final Travel Distance for Homing 4
–1073741823 to
1073741823
Reference unit 100
Latch signal
Final Travel Distance for Homing (Pn819)
DEC
TSPD
Homing Approach Speed 1 (Pn817 or Pn842)
Homing Approach Speed 2 (Pn818 or Pn844)
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