3 - 25
3. SIGNALS AND WIRING
(b) Speed selection 1 (SP1), speed selection 2 (SP2) and speed command value
Choose any of the speed settings made by the internal speed commands 1 to 3 using speed selection
1 (SP1) and speed selection 2 (SP2) or the speed setting made by the analog speed command (VC).
(Note) External Input Signals
SP2
SP1
Speed Command Value
0
0
Analog speed command (VC)
0
1
Internal speed command 1 (parameter No. 8)
1
0
Internal speed command 2 (parameter No. 9)
1
1
Internal speed command 3 (parameter No. 10)
Note. 0 : SP1/SP2-SG off (open)
1 : SP1/SP2-SG on (short)
The speed may be changed during rotation. In this case, the values set in parameters No. 11 and 12
are used for acceleration/deceleration.
When the speed has been specified under any internal speed command, it does not vary due to the
ambient temperature.
(2) Speed reached (SA)
SA-SG are connected when the servo motor speed nearly reaches the speed set to the internal speed
command or analog speed command.
ON
OFF
ON
OFF
Set speed selection
Internal speed
command 1
Internal speed
command 2
Start (ST1,ST2)
Servo motor speed
Speed reached (SA)
(3) Torque limit
As in Section 3.4.1 (2).
