5-10
5-4 Forward and Reverse Drive Prohibit
Ope
rati
n
g Func
tions
5
5-4
Forward and Reverse Drive Prohibit
Function
This function sets the Forward Drive Prohibit Input (POT) and Reverse Drive Prohibit Input (NOT)
operation at the control I/O connector CN1 on the Servo Drive.
You can stop the Servomotor from rotating beyond the machine's operating range with the drive
prohibition inputs.
Parameters Requiring Settings
Operation
[Stopping method when Pn004=0 and either POT or NOT turns OFF]
Drive Prohibit Input Error (alarm code 38) occurs when Pn004=0 and both Forward Drive Prohibit
and Reverse Drive Prohibit inputs turn OFF.
When Pn004=1, the inputs for both Forward Drive Prohibit and Reverse Drive Prohibit are
disabled.
Drive Prohibit Input Error (alarm code 38) occurs when Pn004=2, and either Forward Drive
Prohibit input or Reverse Drive Prohibit input turns OFF.
After stopping, a command in the direction of the drive prohibit input will cause a command
warning.
Parameter
No.
Parameter name
Explanation
Reference page
Pn004
Drive Prohibit Input
Selection
Chooses whether to enable or disable this function when
POT/NOT turns OFF.
5-88
Pn044
Input Signal
Selection
Sets the POT/NOT assignment. By default, CN1 pin 19 is
set to POT, and CN1 pin 20 is set to NOT.
5-74
Pn066
Stop Selection for
Drive Prohibition
Input
Sets the deceleration stopping method when POT/NOT
turns OFF.
5-95
0
2
1
Stopped Status
Servo lock status
Deceleration Method
Decelerates with dynamic brake
Stop Selection for Drive
Prohibition Input (Pn066)
POT (NOT) turns OFF.
Use free-run to decelerate
Disables torque
in drive prohibited
direction
Use Emergency Stop Torque
(Pn06E) to decelerate.