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3. SIGNALS AND WIRING
(3) Internal speed setting in speed control m ode
(a) Speed command and speed
The servo motor is run at the speed set in parameter No. 8 (internal speed command 1) the forward
rotation start signal (ST1) and reverse rotation start signal (ST2) are as in (a), (1) in section 3.4.2.
Generally, make connection as shown below:
SP2
SG
SD
Servo amplifier
(b) Speed selection 2 (SP2) and speed command value
Use speed selection 2 (SP2) to select between the speed set by the internal speed command 1 and
the speed set by the Internal speed command 2 as indicated in the following table:
(Note) External input signals
SP1 Speed command value
0 Internal speed command 1 (parameter No. 8)
1 Internal speed command 2 (parameter No. 9)
Note.0: SP1-SG off (open)
1: SP1-SG on (short)
The speed may also be changed during rotation. In this case, it is increased or decreased according
to the value set in parameter No. 11 or 12 .
When the internal speed command 1 is used to command the speed, the speed does not vary with
the ambient temperature.
(c) Speed reached (SA)
As in Section 3.4.2 (2).