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3. SIGNALS AND WIRING
3.6.2 Speed control mode
(1) Speed setting
(a) Speed command and speed
The servo motor is run at the speeds set in the parameters or at the speed set in the applied voltage of
the analog speed command (VC). A relationship between the analog speed command (VC) applied
voltage and the servo motor speed is shown below.
Rated speed is achieved at 10V with initial setting. The speed at 10V can be changed using
parameter No.PC12.
Forward rotation (CCW)
Reverse rotation (CW)
-10
Rated speed [r/min]
CCW direction
0
+10
VC applied voltage [V]
CW direction
Rated speed
Speed [r/min]
The following table indicates the rotation direction according to forward rotation start (ST1) and reverse
rotation start (ST2) combination.
(Note 1) Input device
(Note 2) Rotation direction
ST2
ST1
Analog speed command (VC)
Internal speed
commands
Polarity
0V
Polarity
0
0
Stop
(Servo lock)
Stop
(Servo lock)
Stop
(Servo lock)
Stop
(Servo lock)
0
1
CCW
Stop
(No servo lock)
CW
CCW
1
0
CW
CCW
CW
1
1
Stop
(Servo lock)
Stop
(Servo lock)
Stop
(Servo lock)
Stop
(Servo lock)
Note 1. 0: off
1: on
2. If the torque limit is canceled during servo lock, the servo motor may suddenly rotate according to position deviation in respect
to the command position.
Generally, make connection as shown below.
ST2
DOCOM
P15R
VC
LG
SD
ST1
Japan resistor
RRS10 or equivalent
(Note)
2k
2k
Servo amplifier
Note. For the sink I/O interface. For the source I/O interface, refer to section 3.8.3.
Driver
Содержание LECSB Series
Страница 1: ...PRODUCT NAME AC Servo Motor Driver MODEL Series LECSB Series Doc no JXC OMT0021 B ...
Страница 17: ...7 App 6 Compliance with the European EC directives App 7 App 7 Conformance with UL C UL standard App 10 ...
Страница 255: ...10 1 10 OUTLINE DRAWINGS 10 OUTLINE DRAWINGS 2 10 1 Driver 2 10 2 Connector 4 ...