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3. SIGNALS AND WIRING
(4) Speed limit in torque control mode
(a) Speed limit value and speed
The speed is limited to the limit value set in parameter No. 8 (internal speed limit 1) or the value
set in the applied voltage of the analog speed limit (VLA). A relationship between the analog speed
limit (VLA) applied voltage and the servo motor speed is as in (a), (3) in section 3.4.3.
Generally, make connection as shown below:
Japan resistor
RRS10 or equivalent
SP1
SG
P15R
VLA
LG
SD
Servo amplifie
r
2k
2k
(b) Speed selection 1 (SP1) and speed limit value
Use speed selection 1 (SP1) to select between the speed set by the internal speed command 1 and
the speed set by the analog speed limit (VLA) as indicated in the following table:
(Note) External input signals
SP1
Speed command value
0 Analog speed limit (VLA)
1 Internal speed limit 1 (parameter No. 8)
Note.0: SP1-SG off (open)
1: SP1-SG on (short)
When the internal speed limit 1 is used to command the speed, the speed does not vary with the
ambient temperature.
(c) Limiting speed (VLC)
As in (c), (3) in section 3.4.3.
(5) Torque control in torque control mode
As in Section 3.4.3 (1).
(6) Torque limit in torque control mode
As in Section 3.4.3 (2).