3.3 Main Circuit Wiring
3 -13
3.3.1 Names and Descriptions of Main Circuit Terminals
Table
3.1 gives the names and a description of main circuit terminals.
Table 3.1
Main Circuit Names and Description
Name
Terminal
Symbol
Main Circuit
Voltage
[V]
Maximum Applicable
Servomotor Capacity
[kW]
Description
Main circuit AC
input terminal
L1, L2
100
0.03 to 0.2
Single-phase 100 to 115 VAC
+10%
,
--15%
(50/60 Hz)
Main circuit AC
input terminal
L1, L2
200
0.03 to 0.4
Single-phase 200 to 230 VAC
+10%
,
--15%
(50/60 Hz)
L1, L2,
200
0.5 to 15.0
Three-phase 200 to 230 VAC
+10%
,
--15%
(50/60 Hz)
L1, L2,
L3*
400
0.5 to 15.0
Three-phase 380 to 480 VAC
+10%
,
--15%
(50/60 Hz)
Servomotor
connection
terminal
U, V, W
--
--
Connects to the Servomotor.
Control power
input terminal
L1C, L2C
100
0.03 to 0.2
Single-phase 100 to 115 VAC
+10%
,
--15%
(50/60 Hz)
Control power
input terminal
L1C, L2C
200
0.03 to 15.0
Single-phase 200 to 230 VAC
+10%
,
--15%
(50/60 Hz)
24V, 0V
400
0.5 to 15.0
24VDC ( 15 )
Ground terminal
--
--
Connects to the power supply ground terminals and
motor ground terminal.
External
regenerative
resistor terminal
B1, B2
100
0.03 to 0.2
Normally not connected.
Connect an external regenerative resistor (provided
resistor terminal
200
0.03 to 0.4
Connect an external regenerative resistor (provided
by customer) between B1 and B2 if the regenerative
capacity is insufficient.
B1, B2, B3
200
0.5 to 5.0
Normally short B2 and B3 (for an internal regenera-
tive resistor).
Remove the wire between B2 and B3 and connect
400
0.5 to 5.0
Remove the wire between B2 and B3 and connect
an external regenerative resistor (provided by cus-
tomer) between B1 and B2 if the capacity of the
internal regenerative resistor is insufficient.
B1, B2
200
6.0 to 15.0
Connect an external regenerative resistor (provided
by customer) between terminals B1 and B2. Refer to
400
6.0 to 15.0
by customer) between terminals B1 and B2. Refer to
4.6 Selecting a Regenerative Resistor
for details.
DC reactor terminal
connection for
¨
1,
¨
2
100
0.03 to 0.2
Normally short
¨
1 and
¨
2.
connection for
power supply
200
0.03 to 5.0
If a countermeasure against power supply harmonic
waves is needed, connect a DC reactor between
¨
1
power supply
harmonic wave
countermeasure
400
0.5 to 15.0
waves is needed, connect a DC reactor between
¨
1
and
¨
2.
countermeasure
200
6.0 or more
These terminals do not exist.
Main circuit plus
terminal
¨
200
6.0 or more
Normally not connected.
Note: This terminal is on Servopacks with a capacity
of 6 kW or higher only.
Main circuit minus
terminal
©
--
--
Normally not connected.
* SGDH-08AE-S Servopack (for SGMAH-08A, SGMPH-08A Servomotor) and SGDH-15AE-S Servopack (for SGMPH-15A
Servomotor) have single-phase, 200 V power supply specifications. Connect the following power supply between L1 to L3.
Single-phase 220 to 230 VAC
+10%
,
--15%
(50/60 Hz)
When a power supply of 187 V (--15% of 220 V) or less is used, alarm 41, indicating voltage shortage, may occur when acceler-
ating to max speed with max torque of Servomotor.
3
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