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13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
b) Control circuit terminal
POINT
Under tightening can cause a cable disconnection or malfunction. Over
tightening can cause a short circuit or malfunction due to damage to the
screw or the brake unit.
A
RES
PC
B
SD
BUE
C
MSG
SD
MSG
SD SD
Jumper
Terminal block
6mm
Sheath
Core
Wire the stripped cable after twisting to prevent the cable
from becoming loose. In addition, do not solder it.
Screw size: M3
Tightening torque: 0.5N
m to 0.6N m
Wire size: 0.3mm
2
to 0.75 mm
2
Screw driver: Small flat-blade screwdriver
(Tip thickness: 0.4mm/Tip width 2.5mm)
2) Cables for connecting the servo amplifier and a distribution terminal block when connecting two sets
of the brake unit
Wire size
Brake unit
HIV wire
[mm
2
]
AWG
200V
class
FR-BU2-55K 38 2
400V FR-BU2-H55K 14 6
class FR-BU2-H75K 38 2