7 Applied Functions
7-22
G5 Series AC Servo Drives With Built-in EtherCAT Communications, Linear Motor Type
7-7 Force Limit Switching
This function switches the force limit according to the movement direction, and depending on the
Positive Force Limit Input (PCL), the Negative Force Limit Input (NCL), and the Positive /Negative Force
Limit Input Commands from EtherCAT communications.
This function is useful in the following conditions.
• When push-motion operation is performed.
• When the force at startup and during deceleration should be suppressed to protect the
mechanical system, etc.
The Force Limit Selection (3521 hex) setting is used to select a method to switch the force limit.
The force limit switching function works under the following conditions.
7-7-1 Operating Conditions
Conditions
Operation mode Position Control Mode, Speed Control Mode, Force Control Mode
Others • Servo ON state
• The factors other than control parameters must be set correctly. This includes the force
limit. The motor must operate normally without any failures.
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