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3. SIGNALS AND WIRING
Device Symbol
Connector pin No.
Functions/Applications
PT BCD
Servo-on SON CN10-21
Turn SON on to power on the base circuit and make the servo amplifier ready to
operate (servo-on).
Turn it off to shut off the base circuit and coast the servo motor.
Set "
4 " in parameter No. PD01 to switch this signal on (keep terminals
connected) automatically in the servo amplifier.
Reset RES CN10-26
Keeping RES ON for 50ms or longer allows an alarm to be deactivated.
Some alarms cannot be deactivated by Reset RES. (Refer to section 10.2.1.)
If RES is turned ON with no alarm occurring, the base circuit will not be shut off.
When "
0 " is set in parameter No. PD20 (function selection D-1), the base
circuit is not shut off.
This device is not designed to make a stop. Do not turn it ON during operation.
External torque limit
selection
TL CN10-27
Turn TL off to make Forward torque limit (parameter No. PA11) and Reverse
torque limit (parameter No. PA12) valid, or turn it on to make Analog torque limit
(TLA) valid. (Refer to section 3.6.3)
Internal torque limit
selection
TL1 CN10-28
Turn TL off to make Forward torque limit (parameter No. PA11) and Reverse
torque limit (parameter No. PA12) valid, or turn it on to make Internal torque limit
(parameter No. PC35) valid. (Refer to section 3.6.3)
Manual pulse generator
multiplication 1
TP0 CN10-29
Used to select the multiplication factor of the manual pulse generator.
When it is not selected, the parameter No. PA05 setting is made valid.
Manual pulse generator
multiplication 2
TP1 CN10-30
(Note) Input device
Manual pulse generator
multiplication factor
TP1 TP0
0 0 Parameter No. PA05 setting
0 1 1 time
1 0 10 times
1 1 100 times
Note. 0: OFF
1: ON
Override selection OVR CN10-31
Turn OVR ON to make Override (VC) valid.
Automatic/manual
selection
MD0 CN10-32
Turning MD0 ON selects the automatic operation mode, and turning it OFF
selects the manual operation mode.
Temporary stop/Restart TSTP CN10-33
Turning TSTP ON during automatic operation makes a temporary stop.
Turning TSTP ON again makes a restart.
Forward rotation start (ST1) or Reverse rotation start (ST2) is ignored if it is
turned ON during a temporary stop.
When the automatic operation mode is changed to the manual operation mode
during a temporary stop, the movement remaining distance is erased.
During a home position return or during JOG operation, Temporary stop/Restart
input is ignored.
Proportion control PC CN10-34
When PC is turned ON, the speed amplifier is switched from the proportional
integral type to the proportional type.
If the servo motor at a stop is rotated even one pulse by an external factor, it
develops torque in an attempt to compensate for a position shift. When the shaft
is locked mechanically after Movement finish (MEND) is turned OFF, for example,
turning Proportion control (PC) ON as soon as Movement finish (MEND) turns
OFF allows control of unnecessary torque developed in an attempt to
compensate for a position shift.
When the shaft is to be locked for an extended period of time, turn External
torque limit selection (TL) ON simultaneously with Proportion control (PC) to
make the torque not more than the rated torque using Analog torque limit (TLA).