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9 Servo Parameter Objects
G5-series Linear Motors/Servo Drives With Built-in EtherCAT Communications
9-6 Extended Objects
9
9-6 Extended Objects
• Set the operation of the Positive Drive Prohibition Input (POT) and the Negative Drive Prohibition
Input (NOT).
Explanation of Settings
• Install limit switches at both ends of the axis to prohibit the Linear Motor from driving in the direction
specified by the switch. This can be used to prevent the workpiece from driving too far and thus
prevent damage to the machine.
• When the object is set to 0, the operation is as follows:
• If this object is set to 0, the Linear Motor decelerates and stops according to the sequence set in the
Stop Selection for Drive Prohibition Input (3505 hex). For details, refer to explanation for Stop
Selection for Drive Prohibition Input (3505 hex).
• If this object is set to 0 and the positive and negative prohibition inputs are both open, a Drive
Prohibition Input Error (Error No. 38) will occur because it is taken that Servo Drive is in error
condition.
• If this object is set to 2, a Drive Prohibition Input Error (Error No. 38) will occur when the
connection between either the positive or negative prohibition input and COM is open.
For details, refer to 7-2 Positive and Negative Drive Prohibition Functions on page 7-8.
3504 hex
Drive Prohibition Input Selection
Setting
range
0 to 2
Unit
–
Default
setting
1 Data
attribute
C
Size 2 bytes (INT16) Access RW PDO map Not possible
Set value Description
0
An error will occur if both the positive and negative drive prohibition inputs are open at the same time.
1 Positive drive prohibition input and negative drive prohibition input disabled.
2 An error will occur if either the positive or the negative drive prohibition input is open.
Positive Drive Prohibition Input
(POT) closed
: Positive limit switch not operating and status normal.
Positive Drive Prohibition Input
(POT) open
: Positive direction prohibited and negative direction permitted.
Negative Drive Prohibition Input
(NOT) closed
: Negative limit switch not operating and status normal.
Negative Drive Prohibition Input
(NOT) open
: Negative direction prohibited and positive direction permitted.
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