5 - 10
5. PARAMETERS
Class
No.
Symbol
Name and Function
Initial
Value
Unit
Setting
Range
Control
Mode
S
20
*OP2 Function selection 2:
Used to select restart after instantaneous power failure,
servo lock at a stop in speed control mode, and slight vibration
suppression control.
0: Invalid
1: Valid
If the input power supply voltage
had reduced in the speed control
mode to stop the servo motor due
to the undervoltage alarm (A. 10)
but the supply voltage has return-
ed to normal, the servo motor can
be restarted by merely switching
on the start signal without resett-
ing the alarm.
Restart after instantaneous
power failure
Stop-time servo lock selection
The shaft can be servo-locked to
remain still at a stop in the speed
control mode.
0: Valid
1: Invalid
Slight vibration suppression control
Used to suppress vibration at a stop.
0: Invalid
1: Valid
0
0000
0000h
to
0111h
P
E
xp
ansio
n p
aram
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rs
21
*OP3 Function selection 3 (Command pulse selection) :
Used to select the input form of the pulse train input signal.
(Refer to Section 3.4.1.)
Command pulse train input form
0: Forward/reverse rotation pulse train
1: Signed pulse train
2: A/B phase pulse train
Pulse train logic selection
0: Positive logic
1: Negative logic
0
0
0000
0000h
to
0012h
P
