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User Constant Settings and Functions
5.2.1 Speed Reference
5 -14
J
J
Input Circuit Example
Servopack
CN1-5
CN1-6
SG
P
V-REF
470
W
, 1/2 W min.
2 k
W
+ 12 V
·
Always use twisted-pair cable for noise control.
Recommended variable resistor: Model 25HP-10Bmanufactured bySakae TsushinKo-
gyo Co., Ltd.
Connect V-REFand SGto the speed reference outputterminalsonthe hostcontroller whenusing
a host controller, such as a programmable controller, for position control.
Feedback
pulse input
terminals
Speed
reference
output
terminals
Host controller
P SG
V-REF
Servopack
CN1-5
CN1-6
CN1-33
CN1-34
CN1-35
CN1-36
/PBO
PBO
/PAO
PAO
P
P
P: Indicates twisted-pair wires.
Adjust Pn300 according to output voltage specifications.
Adjust the speed reference input gain at the following user constant.
Pn300
Speed Reference Input
Gain
Unit:
0.01V/rated motor
speed
Setting
Range:
150 to 3000
Speed Control
Set the voltage range for the speed reference input V-REF at CN1-5 according to host controller
and external circuit output form.
Reference
speed
(r/min)
Reference
voltage
(V)
Set this slope.
The factory setting is adjusted so that a 6-V input is equivalent to the rated motor speed of all
applicable Servomotors.
The maximum allowable voltage to the speed reference input (between CN1-5 and 6) is
±
12 VDC.
5
INFO
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