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Wiring Section 3-3
3-3 Wiring
Wiring Precautions • When wiring, cover the top of the S8M to prevent wire strands from enter-
ing. After completing the wiring, be sure to remove the cover to avoid
overheating.
• The power input terminals have M4 screws. Use the following crimp termi-
nals on the power input wires and tighten the terminal screws to a torque
of 1.08 N·m (9.6 in·lb).
• The branch output terminals have M3.5 screws. Use the following crimp
terminals on the branch output wires and tighten the terminal screws to a
torque of 0.8 to 1.0 N·m (7.2 to 8.8 in·lb).
Recommended Power
Supply Units
The following OMRON Power Supply Units are recommended as the DC
power supply for the S8M.
Selecting the Wire Refer to the following table when selecting wire to use for the power supply.
8 mm max.
8 mm max.
7 mm max. 7 mm max.
Series Model Output
Capacity 24-VDC output
current
S8VS S8VS-06024@@ 60 W 2.5 A
S8VS-09024@@ 90 W 3.75 A
S8VS-12024@@ 120 W 5 A
S8VS-18024@@ 180 W 7.5 A
S8VS-24024@@ 240 W 10 A
S8VM S8VM-05024@@ 50 W 2.2 A
S8VM-10024@@ 100 W 4.5 A
S8VM-15024@@ 150 W 6.5 A
S8VM-30024C 300 W 14.0 A
S8VM-60024C 600 W 27.0 A
AWG Cross-sec-
tional area
(mm
2
)
Configura-
tion
(wires/mm)
Vol tage
drop per A
(mV/m)
Max. recommended current (A)
UL1007
(300 V 80°C)
UL1015
(600 V 105°C)
30 0.051 7/0.102 358 0.12 ---
28 0.081 7/0.127 222 0.15 0.2
26 0.129 7/0.16 140 0.35 0.5
24 0.205 11/0.16 88.9 0.7 1.0
22 0.326 17/0.16 57.5 1.4 2.0
20 0.517 26/0.16 37.6 2.8 4.0
18 0.823 43/0.16 22.8 4.2 6.0
16 1.309 54/0.18 14.9 5.6 8.0
14 2.081 41/0.26 9.5 --- 12.0
12 3.309 65/0.26 6.0 --- 22.0
10 5.262 104/0.26 3.8 --- 35.0
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