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5.2 Settings According to Host Controller
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5.2 Settings According to Host Controller
Thissection describesthe procedure for connecting a
S
-II Series Servo to a host controller, including
the procedure for setting related user constants.
5.2.1 Speed Reference
Inputthespeedreferenceusing thefollowing inputsignal speedreference input.Since thissignal
has various uses, set the optimum reference input for the system created.
CN1-9
CN1-10
CN1-5
CN1-6
Torque reference input
(analog voltage input)
Speed reference input
(analog voltage input)
T-REF
SG
V-REF
SG
P
P
Servopack
Torque
reference
Speed
reference
P represents twisted-pair wires.
®
Input V-REF CN1-5
Speed Reference Input
Speed Control
®
Input SG CN1-6
Signal Ground
Speed Control
The above inputs are used for speed control (analog reference). (
Pn000.1 = 0, 4, 7, 9, or A
)
Always wire for normal speed control.
The motor speed is controlled in proportion to the input voltage between V-REF and SG.
Input voltage
(V)
-4
-8
-12
4
8
12
Factory setting
Rated motor speed
Rated motor speed
The slope is set in Pn300.
J
J
Setting Examples
Pn300 = 600: This setting means that 6 V is equivalent to the rated motor speed.
A
EXAMPLE
"
Speed Reference
Input
Rotation
Direction
Motor Speed
SGMAH Servomotor
+6 V
Forward rotation
Rated motor speed
3000 r/min
+1 V
Forward rotation
(1/6) rated motor speed
500 r/min
-3 V
Reverse rotation
(1/2) rated motor speed
1500 r/min
User constant Pn300 can be used to change the voltage input range.
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