Omron R7D-BP, Руководство пользователя

Страница: 156 / 328

4-17
4-2 Wiring
4
System Design
„
Wire Size and Allowable Current (Reference)
The following table shows the allowable current when there are three power supply wires.
Use a current below these specified values.
600-V Heat-resistant Vinyl Wire (HIV)
Item Unit R7D-BP01H R7D-BP02HH R7D-BP02H R7D-BP04H
Power supply capacity kVA
0.27
(0.3)
*1
0.35 0.42
0.69
(0.77)
*1
Main circuit power
supply input (L1,
L2)
Rated
current
A(rms)
0.7
(1.5)
*1
1.6 1.1
1.8
(3.5)
*1
Wire size AWG18
External
Regeneration
Resistor
connection (+,
−
)
Wire size AWG18
Servomotor
connection
terminal (U, V,
W,
)
*2
Rated
current
A(rms) 1.0 1.6 1.6 2.5
Maximum
momen-
tary
current
A(rms) 3.3 4.9 4.9 7.8
Wire size AWG18
Frame ground
Wire size AWG14 min.
Screw size --- M4
Torque N·m 1.2 to 1.4
No-fuse breaker or fuse
capacity
*3
A(rms) 3 2
5
(7)
*1
*1. Values in parentheses ( ) are for using single-phase 200 V.
*2. Connect an OMRON Servomotor Power Cable to the Servomotor connection terminals.
*3. Use a no fuse breaker or a surge withstand fuse. The maximum inrush current is 20 A.
AWG size
Nominal
cross-
sectional
area (mm
2
)
Configura-
tion
(wires/mm
2
)
Conductive
resistance
(
Ω
/km)
Allowable current (A) for ambient
temperature
30
°
C 40
°
C 50
°
C
20 0.5 19/0.18 39.5 6.6 5.6 4.5
--- 0.75 30/0.18 26.0 8.8 7.0 5.5
18 0.9 37/0.18 24.4 9.0 7.7 6.0
16 1.25 50/0.18 15.6 12.0 11.0 8.5
14 2.0 7/0.6 9.53 23 20 16