Mitsubishi MR-J4-10A Instruction Manual page 362

11. OPTIONS AND AUXILIARY EQUIPMENT
(4) Cables
(a) Cables for the brake unit
For the brake unit, HIV cable (600 V grade heat-resistant PVC insulated wire) is recommended.
1) Main circuit terminal
N/- P/+
Terminal block
2) Control circuit terminal
PC SD
BUE
A B C
Jumper
Terminal block
(b) Cables for connecting the servo amplifier and a distribution terminal block when connecting two sets
of the brake unit
Brake unit
PR
200 V FR-BU2-15K
class
FR-BU2-30K
FR-BU2-55K
400 V FR-BU2-H30K
class
FR-BU2-H55K
FR-BU2-H75K
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.
SD SD
SD
RES
MSG MSG
Brake unit
FR-BU2-15K
Crimp
Main
terminal
circuit
terminal
N/-, P/+,
screw
PR,
size
M4 5.5-4
M5 5.5-5
M6 14-6
M4 5.5-4
M5 5.5-5
M6 14-6
Wire the stripped cable after twisting to prevent the cable
from becoming loose. In addition, do not solder it.
Screw size: M3
Tightening torque: 0.5 N•m to 0.6 N•m
2
Wire size: 0.3 mm to 0.75 mm
Screw driver: Small flat-blade screw driver
(Tip thickness: 0.4 mm/Tip width 2.5 mm)
Wire size
2
HIV wire [mm ] AWG
8
11 - 31
Wire size
Tightening
torque
N/-, P/+, PR,
[N•m]
HIV wire
2
[mm ]
1.5 3.5
2.5 5.5
4.4 14
1.5 3.5
2.5 5.5
4.4 14
Insulator
Core
6 mm
2
8
AWG
12
10
6
12
10
6