5-7
5-3 Forward and Reverse Drive Prohibit
5
Operating Functions
5-3 Forward and Reverse Drive Prohibit
 When the Forward Drive Prohibit Input (POT: CN1-8) and Reverse Drive Prohibit Input (NOT: 
CN1-7) are turned OFF, the Servomotor will stop rotating.
 You can prevent the Servomotor from rotating beyond the device's travel range by connecting limit 
inputs.
Parameters Requiring Settings
Operation
Stopping Methods When Forward/Reverse Drive Prohibit Is OFF.
While the Forward Drive Prohibit Input (POT) is OFF, the Servomotor cannot be driven in the 
forward direction, but it can be driven in the reverse direction. Conversely, while the Reverse Drive 
Prohibit Input (NOT) is OFF, the Servomotor cannot be driven in the reverse direction, but it can be 
driven in the forward direction.
Parameter
No.
Parameter name Explanation Reference
Pn04
Drive Prohibit Input 
Selection
Enable or disable the Forward/Reverse Drive Prohibit Inputs.
Page 5-33
Pn66
Stop Selection for 
Drive Prohibit Input
Set the operation for decelerating to a stop after the Forward/
Reverse Drive Prohibit Input turns OFF. This parameter can be 
used to set whether to stop with the dynamic brake or free-run-
ning.
Page 5-57
POT (NOT) turns OFF.
Deceleration Method
Stopped status
2
Servo locked or zero-speed 
designation
1
0
Dynamic brake 
Free run 
Servo unlocked
Servo locked
Stop Selection for Drive 
Prohibit Input (Pn66)