YASKAWA Sigma-7-Series Product Manual page 77

4.2 Setup Procedure
4.2.5 Servo Commands to Use
Example
4-10
Calculation Example 1 for the External Input Positioning Position P3 in the Rotational
Coordinate System
The following conditions are used in this example.
• First rotational coordinate (Pn87C): 0, Last rotational coordinate (Pn87A): 3,599
• Latched position for external positioning signal, P2: +1,000
• External positioning final travel distance (common parameter 83): +500
• External input positioning position P3: 1,000 + 500 = 1,500
Note: The movement direction after latching the position is determined by the sign of the
value set for the External Positioning Final Travel Distance (Common Parameter 83).
,599
0
External po itioning ignal
Calculation Example 2 for the External Input Positioning Position P3 in the Rotational
Coordinate System
The following conditions are used in this example.
• First rotational coordinate (Pn87C): 0, Last rotational coordinate (Pn87A): 3,599
• Latched position for external positioning signal, P2: 1,000
• External positioning final travel distance (common parameter 83): +3,000
• External input positioning position P3: 1,000 + 3,000 − 3,600 (Pn87A − Pn87C + 1) = 400
Note: The movement direction after latching the position is determined by the sign of the
value set for the External Positioning Final Travel Distance (Common Parameter 83).
,599
0
External po itioning ignal
Calculation Example 3 for the External Input Positioning Position P3 in the Rotational
Coordinate System
The following conditions are used in this example.
• First rotational coordinate (Pn87C): 0, Last rotational coordinate (Pn87A): 3,599
• Latched position for external positioning signal, P2: 1,000
• External positioning final travel distance (common parameter 83): +5,000
• External input positioning position P3: 1,000 + 5,000 − 3,600 (Pn87A − Pn87C + 1) = 2,400
Note: The movement direction after latching the position is determined by the sign of the
value set for the External Positioning Final Travel Distance (Common Parameter 83).
,599
0
External po itioning ignal
1,500
1,000
P2 P
1,000
400
P2 P
2,400
1,000
P2 P