Yaskawa Σ-II Series - Manual (Page 23)

10 Wiring
E-21
„ Three-phase, 400 V
* 1. SERVOPACKs that are 6-kW or more have no B3 terminal.
* 2. SERVOPACKs that are 6-kW or more have no 1 and 2 terminals.
Use the terminal.
* 3. These circuits are power lines, separated by the protecting separator.
Do not touch these terminals when the power is ON to avoid electric
shock.
* 4. These circuits are SELV circuits and are separated from all other cir-
cuits by double and reinforced insulation. The CN1 input signal is
available for sink or source circuits.
Note: Customers must purchase a 24-VDC power supply with a double-
shielded enclosure.
L1
24V
PG
SERVOPACK
DC power supply
(24 VDC)
+ −
SGDH- DE
U
V
W
M
0 V 24
1Ry
ALM+
ALM−
1D
1KM
1Ry 1KM
1SUP
1Ry
1KM
L2
L3
B2
B1
B3
0V
CN1
CN2
1QF
R S T
1PL
: Indicator lamp
: Surge absorber
: Flywheel diode
1PL
1SAB
1D
1QF
FIL
1KM
1Ry : Molded-case circuit breaker
: Noise filter
: Magnetic contactor
: Relay
FIL
+24V
+ 1
+ 2
∗1
∗3
∗2
∗3
∗4
Other
connectors
(For servo
alarm display)
Main circuit
power supply
Main circuit
power supply
OFF ON