6.1 I/O Signals
6.1.1 Input Signals
6-3
6
Application Functions
6.1
I/O Signals
6.1.1
Input Signals
/S-ON (Servo ON) Signal
This signal enables operation of the Servomotor.
You can change the setting for the /S-ON signal with PnB0E.
P-OT (Forward Drive Prohibit) Signal and N-OT (Reverse
Drive Prohibit) Signal
Refer to the following section for details.
/ALM-RST (Alarm Reset) Signal
Refer to the following section for details.
/DEC (Homing Deceleration Switch Input) Signal
Connects the deceleration limit switch for homing.
You can change the setting for the /DEC signal with PnB11.
Type
Signal
Connector Pin No.
Signal Status
Function
Input
/S-ON
CN1-13
ON (closed)
Power is supplied to the Servomo-
tor to enable operation.
OFF (open)
Power supply to the Servomotor is
stopped and operation is disabled.
Input the /S-ON signal while the Servomotor is stopped. You cannot turn ON the servo while the
Servomotor is operating.
Parameter
Meaning
When Enabled Classification
PnB0E
0000h
(default setting)
When input signal is ON (closed), servomotor
power is ON. Servomotor can be operated.
After restart
Setup
0001h
When input signal is OFF (open), servomotor
power is ON. Servomotor can be operated.
0002h
Always servo ON
0003h
Always servo OFF
If a resettable alarm occurs and operation is disabled (power is not supplied to the motor), oper-
ation will be automatically enabled (power will be supplied to the motor) when the alarm is reset.
If you set PnB0E to 0002h (Servo always ON), the Servomotor or machine may perform unex-
pected operation when an alarm is reset.
Type
Signal
Pin No.
Signal Status
Meaning
Input
/DEC
CN1-10
ON (closed)
The homing speed is changed to the approach
speed or creep speed. The operation depends
on the homing method.
OFF (open)
The speed does not change.
Important
Important