3-10
3-1 Servo Drive Specifications
3
Specifications
îš„ Gain Switch/Zero Speed Designation/Torque Limit Switch Input
Pin 5: Gain Switch/Zero Speed Designation/Torque Limit Switch Input (GSEL/VZERO/TLSEL)
Function: Gain Switch
 Pin 5 is the Gain Switch Input (GSEL) when Pn02 is set to 0 or 2 (Position Control Mode) and the
Zero Speed Designation/Torque Limit Switch (Pn06) is set to anything other than 2.
 The Gain Switch Input (GSEL) switches between PI and P operation, or between gain 1 and gain
2.
 When the Gain Switch Input Operating Mode Selection (Pn30) is set to 0, this input switches
between PI and P operation. When Pn30 is set to 1 and the Gain Switch Setting (Pn31) is set to
2, this input switches between gain 1 and gain 2.
 Gain 1 includes the Position Loop Gain (Pn10), Speed Loop Gain (Pn11), Speed Loop Integration
Time Constant (Pn12), Speed Feedback Filter Time Constant (Pn13), and Torque Command Filter
Time Constant (Pn14).
 Gain 2 includes the Position Loop Gain 2 (Pn18), Speed Loop Gain 2 (Pn19), Speed Loop
Integration Time Constant 2 (Pn1A), Speed Feedback Filter Time Constant 2 (Pn1B), and Torque
Command Filter Time Constant 2 (Pn1C).
Function: Zero Speed Designation
 Pin 5 is the Zero Speed Designation Input (VZERO) when Pn02 is set to 1 (Internal Speed Control
Mode) and the Zero Speed Designation/Torque Limit Switch (Pn06) is set to anything other than 2.
 When Zero Speed Designation Input (VZERO) is OFF, the speed command is zero. Turn ON the
Zero Speed Designation Input (VZERO) for normal operation.
 Zero Speed Designation Input (VZERO) is enabled when the Zero Speed Designation/Torque
Limit Switch (Pn06) is set to 1, and disabled when Pn06 is set to 0.
Function: Torque Limit Switch
 Pin 5 is the Torque Limit Switch Input (TLSEL) in both Position Control Mode and Internal Speed
Control Mode when the Zero Speed Designation/Torque Limit Switch (Pn06) is set to 2.
 This input switches the Overspeed Detection Level, Torque Limit, and Deviation Counter Overflow
Level parameters.
 When the input is OFF, torque limit 1 (Pn70, Pn5E, Pn63) is enabled, and when the input is ON,
torque limit 2 (Pn71, Pn72, Pn73) is enabled.
îš„ Electronic Gear Switch/Internally Set Speed Selection 1 Input
Pin 6: Electronic Gear Switch/Internally Set Speed Selection 1 Input (GESEL/VSEL1)
Function: Electronic Gear Switch
 Pin 6 is the Electronic Gear Switch Input (GESEL) in Position Control Mode (when Pn02 is set to
0 or 2).
 The numerator setting for the electronic gear can be switched between Electronic Gear Ratio
Numerator 1 and Electronic Gear Ratio Numerator 2.
 When the input is turned OFF, Electronic Gear Ratio Numerator 1 (Pn46) is enabled, and when
the input is turned ON, Electronic Gear Ratio Numerator 2 (Pn47) is enabled.
 It takes 1 to 5 ms to switch the electronic gear after the Gear Switch input changes. Therefore, do
not input a command pulse for 10-ms before and after switching.
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