
-58-
3 Wiring
■
Three-phase 220 V Models: SV660NS6R6I
Noise filter
L1
L2
L3
U
V
W
ALM-
ALM
+
24V
COM
P
D
C
CN2
Three-phase 220 VAC
Surge
protection
device
1D
1Ry
1KM
Main circuit
power input
contactor
RUN
button
STOP
button
Servo alarm
output relay
Servo alarm
indicator
Servo alarm
signal output
660N servo drive
M
PG
Figure 3-8
Main circuit wiring of three-phase 220 V models
NOTE
◆
1KM: Electromagnetic contactor; 1Ry: Relay; 1D: Flywheel diode
◆
DO is set as alarm output (ALM+/-). When the servo drive alarms, the power supply will be cut off
automatically and the alarm indicator will be turned on.
3.2.5 Precautions for Main Circuit Wiring
■
Do not connect the input power cables to the output terminals U, V and W. Failure to comply will
damage the servo drive.
■
When cables are bundled in a duct, the cooling effect will be deteriorated. In this case, take the
reduction ratio of the allowable current into consideration.
■
When the temperature inside the cabinet is higher than the temperature limit of the cable, it is
recommended to use a Teflon cable with a higher temperature limit. As the surface of regular cables
may be easily hardened and cracked under a low temperature, take thermal insulation measures for
cables laid in a low-temperature environment.
■
The bending radius of a cable must be 10 times longer than its outer diameter to prevent the
internal conductor from breaking due to long-time bending.
■
Use cables with a rated voltage above 600 VAC and rated temperature above 75° C. Under 30° C
ambient temperature and normal cooling conditions, the allowable current density of the cable
cannot exceed 8 A/mm
2
when the total current is below 50 A, or 5 A/mm
2
when the total current is
above 50 A. The allowable current density (A/mm
2
) can be adjusted based on the following formula
in the case of high ambient temperature or bundled cables.
Allowable current density = 8 x Reduction coefficient of conductor current-carrying density x Current
correction coefficient
Содержание SV660
Страница 178: ...177 6 Gain Tuning Figure 6 18 Example of the waveform...
Страница 359: ...358 10 Application Cases c Click OK d Click Yes...
Страница 360: ...359 10 Application Cases e Click OK f Click No...
Страница 362: ...361 10 Application Cases...
Страница 366: ...365 10 Application Cases 7 2 Controlling the servo operations through the PLC a Create a PLC program...
Страница 370: ...369 10 Application Cases b Add parameters to be monitored to monitor these parameters during PLC running...