App. - 11
APPENDIX
(7) Capacitor discharge time
The capacitor discharge time is as follows. To ensure safety, do not touch the charging section for 15
minutes (20 minutes in case drive unit is 30kW or more) after power-off.
Driver
Discharge
time (min)
LECSB2-S5
LECSB2-S7
1
LECSB2-S8
LECSB1-S5
LECSB1-S7
2
(8) Selection example of wires
To comply with the UL/C-UL Standard, use UL-approved copper wires rated at 60/75
(140/167 ) for
wiring.
The following table shows the wire sizes [AWG] and the crimping terminal symbols rated at 60
(140 ).
The sizes and the symbols rated at 75
(167 ) are shown in the brackets.
Driver
Converter
unit
(Note 3) Wires (AWG)
L
1
L
2
L
3
L
11
L
21
U
V
W
P
1
P
2
P
P
2
C
LECSB
□
-
□
14(14)
16(16)
(Note 4) 14(14)
14(14)
Driver
Converter
Unit
(Note 3) Wires [mm
2
]
B1
B2
BU
BV
BW
OHS1
OHS2
LECSB
□
-
□
16(16)
Note 1. To connect these models to a terminal block, be sure to use the screws that come with the terminal block.
2. For the servo motor with a cooling fan.
3. Alphabets in the table indicate crimping tools. Refer to the following table for the crimping terminals and crimping tools.
4. To wire the driver and a LE-
□
-
□
servo motor, use the LE-CSM-
□□□
(option). To extend the wiring, use the AWG14 wire
size.
(9) Terminal block tightening torque
Driver
Tightening torque [N
m]
PE
LECSB
□
-
□
1.2
