Mitsubishi Electric Melservo-H Series, Specifications And Instruction Manual

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9. OPTIONS AND AUXILIARY EQUIPMENT
9.2 Auxiliary equipment
Always use the devices indicated in this section or equivalent. To comply with the EN Standard or UL/C-
UL Standard, use the products which conform to the corresponding standard.
9.2.1 Recommended wires
The following diagram shows the wires used for wiring. Use the wires given in this paragraph or
equivalent.
Converter unit
L1
L2
Power
supply
Control power supply lead
Servo amplifier
U
V
W
Servo motor
OHS1
OHS2
U
V
W
Encoder
Motor
3) Motor power supply lead
Encoder cable
BU
BV
BW
Cooling fan
L3
L11
L21
L11
L21
C
P
1) Main circuit power
supply lead
4) Regenerative brake option lead
Regenerative brake option
(Note1)
6) Fan lead
3)
P2
P1
5) Thermal relay
Thermal
relay
2)
DC reactor
3)
The following table lists wire sizes. The wires used assume that they are 600V vinyl wires and the
wiring distance is 30m max. If the wiring distance is over 30m, choose the wire size in consideration of
voltage drop.
Table 9.1 Recommened wire
Wires[mm
2
]
Servo
Amplifier
Converter unit 1)
L1•L2•L3
2)
L11•L21
3)
U•V•W
P1•P2•
4)
P•C
5)
OHS1•OHS2
6)
BU•BV•BW
MR-H30K MR-HP30K 50(AWG1/0) 2(AWG14) 60(AWG2/0) 5.5(AWG10) 1.25(AWG16) 1.25(AWG16)