Mitsubishi Electric Melservo-J3 Series MR-J3-B Instruction Manual page 388

13. SERVO AMPLIFIERS WITH A LARGE CAPACITY (30k TO 55kW)
Note 1. For power supply specifications, refer to section 13.1.3.
2. Configure the circuit to turn OFF the forced stop (EM1) of the drive unit and the converter unit at the same time.
3. Always connect between P
section 13.9.6.
4. Connect P/ and N/
brake unit malfunction.
5. For the converter unit and the drive unit of 400V class, a stepdown transformer is required.
6. Contact rating: 1b contact, 110VAC_5A/220VAC_3A
Normal condition: TH1-TH2 is conducting. Abnormal condition: TH1-TH2 is not conducting.
7. Contact rating: 230VAC_0.3A/30VDC_0.3A
Normal condition: B-C is conducting/A-C is not conducting. Abnormal condition: B-C is not conducting/A-C is conducting.
8. Connect the thermal relay censor of the servo motor.
9. Do not connect more than one cable to each L
10. Always connect between BUE and SD terminals (Factory-wired).
11. Connect MSG and SD terminals of the brake unit to a correct destination. Wrong connection results in the converter unit and
brake unit malfunction.
12. For connecting L
this section.
and P terminals (Factory-wired). When using the power factor improving DC reactor, refer to
1 2
terminals of the brake unit to a correct destination. Wrong connection results in the converter unit and
and L - terminals of TE2-1 of the converter unit to the terminal block, use the cable indicated in (3) (d) of
and L terminals of TE2-1 of the converter unit.
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