SMC Networks LECSN-T Series - 11.5 Selection example of wires

11. OPTIONS AND PERIPHERAL EQUIPMENT
11 - 18
11.5 Selection example of wires
POINT
To comply with the UL/CSA standard, use the wires shown in appendix 4 for
wiring. To comply with other standards, use a wire that is complied with each
standard.
Selection conditions of wire size is as follows.
Construction condition: One wire is constructed in the air.
Wire length: 30 m or less
The following diagram shows the wires used for wiring. Use the wires given in this section or equivalent.
5) Pow er regenerative converter lead
Pow er regenerative
converter
N-
3) Regenerative option lead
Regenerative option
2) Control circuit pow er supply lead
C
P+
L1
L2
L3
L11
L21
1) Main circuit power supply lead
Pow er supply
Servo amplifier
U
V
W
M
4) Servo motor pow er supply lead
(1) Example of selecting the wire sizes
Use the 600 V Grade heat-resistant polyvinyl chloride insulated wire (HIV wire) for wiring. The
following shows the wire size selection example.
Table 11.1 Wire size selection example (HIV wire)
Driver
Wire [mm
2
]
L1
・
L2
・
L3
・
(Note 1)
L11
・
L21
(Note 2) U
・
V
・
W
・
P
・
C
(Note 3) B1
・
B2
10m or less
Extension
cable
10m or less
Extension
cable
LECSN□-T5
LECSN□-T7
2(AWG14)
1.25(AWG16)
0.75(AWG18)
1.25(AWG16)
2(AWG14)
0.5(AWG20)
1.25(AWG16)
LECSN□-T8
LECSN2-T9
Note1. Use 2 mm
2
(AWG14) to comply with IEC/EN/UL/CSA standards.
Note2. Use 2 mm
2
(AWG14) to comply with IEC/EN/UL/CSA standards.
Note3. Use 1.25 mm
2
(AWG16) to comply with IEC/EN/UL/CSA standards.
Driver