XtraDrive User Manual Chapter 5: Parameter Settings and Functions
5-57
îš„ Parameter Setting
Set the following parameter so that the input signal /P-CON
(/ZCLAMP) can be used to enable or disable the zero clamp function.
Parameter Signal Setting (ms) Description
Pn000.1
Control Method
Selection
Default Setting: 0 Speed Control
î›– Input /P-CON CN1-41 Proportional Control, etc.
Speed/Torque Control,
Position Control
Note:
The /ZCLAMP signal can be used when an input circuit signal is allocated. See 5.3.3 Input Circuit
Signal Allocation for more details.
Pn000.1 Setting Control Mode
CN1-5
CN1-41
V-REF
/P-CON
(/ZCLAMP)
Zero c lamp
Speed reference
Xt r a Dr i ve
A
Zero Clamp Control Mode
This mode allows the zero clamp function
to be set when the servomotor stops.
•
The speed reference is input from V-
REF (CN1–5).
•
/P-CON (/ZCLAMP)(CN1–41) is used
to turn the zero clamp function ON and
OFF.
CN1-41 is open (OFF).
Turns the zero clamp function OFF.
CN1-41 is 0V (ON).
Turns the zero clamp function ON.
Zero clamp is performed when the following
two conditions are satisfied:
• /P-CON (/ZCLAMP) is ON.
•
Speed reference is below the setting
designated at Pn501.
îš„ Setting Motor Speed
Use the following parameter to set the motor speed level at which zero
clamp is performed
Parameter Signal Setting (rpm)
Description
Pn501 Zero Clamp Level
Setting Range: 0 to 10000
Default Setting: 10
Speed Control
If zero clamp speed control is selected, set the motor speed at which
zero clamp is to be performed. The maximum speed will be used if the
value of Pn501 is set higher than the maximum speed of the
servomotor.
Zero Clamp Conditions
Zero clamp is performed when all the following conditions are satisfied:
• Zero clamp speed control is selected (parameter Pn000.1 is set to A).
• /P-CON (/ZCLAMP)(CN1-41) is ON (0V).
• Speed reference drops below the setting level of Pn501.
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