(2) Single-phase, 100 V
(3) Three-phase, 200 V
(4) Three-phase, 400 V
3.1.3 Typical Main Circuit Wiring Examples
Note the following points when designing the power ON sequence.
• Design the power ON sequence so that main power is turned OFF when a servo alarm signal is output.
• The ALM signal is output for five seconds max. when the power is turned ON. Take this into consideration when
designing the power ON sequence. The ALM signal actuates the alarm detection relay 1Ry to stop main circuit power
supply to the SERVOPACK.
• Select the power supply specifications for the parts in accordance with the input power supply.
External Terminal Name
Terminal
Symbols
SERVOPACK Model SGDV-
R70 R90 2R1 2R8
Main circuit power input
terminals
L1，L2
HIV1.25 HIV2.0
Control power input terminals
L1C，L2C
HIV1.25
Servomotor connection
terminals
U，V，W
HIV1.25
External regenerative resistor
connection terminals
B1/ ，B2
HIV1.25
Ground terminal HIV2.0 or higher
External Terminal
Name
Terminal
Symbols
SERVOPACK Model SGDV-
R70 R90 1R6 2R8 3R8 5R5 7R6 120 180 200 330 470 550 590 780
Main circuit power
input terminals
L1, L2,
L3
HIV1.25 HIV2.0 HIV3.5
HIV
5.5
HIV
8.0
HIV
14.0
HIV22.0
Control power input
terminals
L1C, L2C HIV1.25
Servomotor
connection terminals
U, V, W HIV1.25 HIV2.0
HIV
3.5
HIV
5.5
HIV
8.0
HIV14.0 HIV22.0
External regenerative
resistor connection
terminals
B1/ , B2
HIV1.25
HIV
2.0
HIV
3.5
HIV
5.5
HIV8.0 HIV22.0
Ground terminal HIV2.0 or higher
External Terminal Name
Terminal
Symbols
SERVOPACK Model SGDV-
1R9 3R5 5R4 8R4 120 170 210 260 280 370
Main circuit power input
terminals
L1, L2, L3 HIV1.25 HIV2.0 HIV3.5
HIV
5.5
HIV
8.0
HIV
14.0
Control power input terminals 24V, 0V HIV1.25
Servomotor connection
terminals
U, V, W HIV1.25 HIV2.0
HIV
3.5
HIV5.5
HIV
8.0
HIV
14.0
External regenerative resistor
connection terminals
B1/ , B2
(B1, B2)
HIV1.25
HIV
2.0
HIV3.5
HIV
5.5
HIV
8.0
Ground terminal HIV2.0 or higher
Control power supply
Servo alarm (ALM)
output signal
5.0 s max.
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