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3. SIGNALS AND WIRING
(2) Output signals
Control
Mode
Signal Symbol
Connec-
tor Pin
No.
Functions/Applications
I/O
Division
PST
Trouble ALM CN1B
18
ALM-SG are disconnected when power is switched off or the
protective circuit is activated to shut off the base circuit. Without
alarm, ALM-SG are connected within 1 after power on.
DO−1
{{{
Ready RD CN1A
19
RD-SG are connected when the servo is switched on and the servo
amplifier is ready to operate.
DO−1
{{{
In position INP INP-SG are connected when the number of droop pulses is in the
preset in-position range. The in-position range can be changed
using parameter No. 5.
When the in-position range is increased, INP-SG may be kept
connected during low-speed rotation.
DO−1
{
Speed reached SA
CN1A
18
SA-SG are connected when the servo motor speed has nearly
reached the preset speed. When the preset speed is 50r/min or
less, SA-SG are kept connected.
DO−1
{
Limiting speed VLC CN1B
6
VLC-SG are connected when speed reaches the value set to any of
the internal speed limits 1 to 3 (parameters No. 8 to 10) or the
analog speed limit (VLA) in the torque control mode. They are
disconnected when the servo-on signal (SON) switches off.
DO−1
{
Limiting torque TLC CN1B
6
TLC-SG are connected when the torque generated reaches the
value set to the internal torque limit 1 (parameter No. 28) or
analog torque limit (TLA). They are disconnected when the servo-
on signal (SON) switches off.
DO−1
{{
Zero speed ZSP CN1B
19
ZSP-SG are connected when the servo motor speed is zero speed
(50r/min) or less. Zero speed can be changed using parameter No.
24.
DO−1
{{{
Electromagnetic
brake interlock
MBR
CN1B
19
Set1 in parameter No. 1 to use this parameter. Note that
ZSP will be unusable.
In the servo-off or alarm status, MBR-SG are disconnected.
When an alarm occurs, they are disconnected independently of
the base circuit status.
DO−1
∆∆∆
Warning WNG To use this signal, assign the connector pin for output using
parameter No. 49. The old signal before assignment will be
unusable.
When warning has occurred, WNG-SG are connected.
When there is no warning, WNG-SG are disconnected within 1
second after power-on.
DO−1
∆∆∆