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9. OPTIONS FOR DIRECT DRIVE SERVO
9 - 4
9.1.2 Encoder connector set
POINT
Fabrication of the encoder cable is required at user side. Prepare the parts shown
in (1) and (2), and fabricate as the wiring diagram shown in (3). For the connector
set specification, refer to section 2.4.2.
Fabricate the encoder cable to be 50m or shorter between the servo amplifier and
the direct drive motor.
Always connect the following items to configure the absolute position detection
system with the direct drive servo.
Battery (MR-J3BAT)
Absolute position storage unit (MR-BTAS01)
For absolute position detection system, refer to chapter 12 of the MR-J3- B Servo
Amplifier Instruction Manual.
Replace the battery (MR-J3BAT) while the control circuit power supply is on. If the
battery is replaced while the control circuit power supply is off, the absolute position
erase alarm (25) will occur. Battery replacement using the cable for connecting
battery (MR-J3BTCBL03M) cannot be performed for the MR-J3-
B-RJ080W
servo amplifier.
(1) MR-J3DDCNS
This connector set is used to fabricate the encoder cable for the incremental system or the absolute position
detection system (between the servo amplifier and the absolute position storage unit).
Parts Description
Connector set MR-J3DDCNS
Connector at the servo amplifier side
Receptacle: 36210-0100PL
Shell kit: 36310-3200-008
(3M)
or
Connector set: 54599-1019
(Molex)
Connector at the encoder side or at the
absolute position storage unit side
(connected from the servo amplifier)
Plug: RM15WTPZK-12S
Cord clamp: JR13WCCA-8(72)
(Hirose Electric)
Applicable wire size: 0.25mm
2
(AWG23) to 0.5mm
2
(AWG20)
(2) MR-J3DDSPS
This connector set is used to fabricate the encoder cable (between the absolute position storage unit and
the direct drive motor) for the absolute position detection system.
Parts Description
Connector set MR-J3DDSPS
Connector at the absolute position storage
unit side
Plug: RM15WTPZ-12P(72)
Cord clamp: JR13WCCA-8(72)
(Hirose Electric)
Connector at the encoder side
Plug: RM15WTPZK-12S
Cord clamp: JR13WCCA-8(72)
(Hirose Electric)
Applicable wire size: 0.25mm
2
(AWG23) to 0.5mm
2
(AWG20)