5.2 Settings According to Host Controller
5 -39
J
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Input Signals
Torque Reference Inputs
The following input signals are used for torque control.
P
P
SG
V-REF
SG
T-REF
Torque reference input
(Analog voltage input)
Speed reference input
(Analog voltage input)
Torque
reference
Speed
reference
Servopack
CN1-9
CN1-10
CN1-5
CN1-6
P represents twisted-pair wires..
®
Input T-REF CN1-9
Torque Reference Input
Speed/Torque
Control
®
Input SG CN1-10
Signal Ground for the Torque
Reference Input
Speed/Torque
Control
These signals are used when torque control is selected.
Servomotor torque iscontrolled so that it isproportional to the input voltage between T-REFand
SG.
300
200
100
--300
--200
--100
0
--4
--8
--12
4
8
12
Reference torque
(%)
Input voltage
(V)
The slope is set to Pn400.
Factory setting
D
Factory Settings
Pn400 = 30: This setting means that 3 V is equivalent to the rated torque.
+3 V input: Rated torque in the forward direction
+9 V input: 300% of rated torque in the forward direction
--0.3 V input: 10% of rated torque in the reverse direction
User constant Pn400 can be used to change the voltage input range.
D
Example of an Input Circuit
P
SG
T-REF
+12 V
Servopack
CN1-9
CN1-10
470
W
2k
W
1/2 W min.
·
Always use twisted-pair cables for noise control.
·
Recommended variable resistor: Model 25HP-10Bmanufactured bySakae TsushinKo-
gyo Co., Ltd.
5
A
EXAMPLE
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