Origin Search - YASKAWA SGD7S Product Manual

7.6.2

Origin Search

The origin search operation positions the motor to the origin within one rotation and the clamps
it there.
 Make sure that the load is not coupled when you execute an origin search.
The CCW Drive Prohibit (CCW-OT) signal and CW Drive Prohibit (CW-OT) signal are disabled
during an origin search.
Use an origin search when it is necessary to align the origin within one rotation with the
machine origin. The following speeds are used for origin searches.
• Rotary Servomotors: 60 min
• Direct Drive Servomotors: 6 min
• Linear Servomotors: 15 mm/s
Servomotor
To align the origin within one
rotation with the machine origin
Preparations
Always check the following before you execute an origin search.
• The parameters must not be write prohibited.
• The main circuit power supply must be ON.
• There must be no alarms.
• There must be no hard wire base block (HWBB).
• The servo must be OFF.
Applicable Tools
The following table lists the tools that you can use to perform an origin search and the applica-
ble tool functions.
Tool
Digital Operator
SigmaWin+
CAUTION
-1
-1
Machine
Function
Fn003
Setup - Origin Search
7.6 Convenient Function to Use during Trial Operation
Reference
Σ-7-Series Digital Operator Operating Man-
ual (Manual No.: SIEP S800001 33)
Operating Procedure on page 7-18

7.6.2 Origin Search

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