Mitsubishi Electronics IB-1500193(ENG)-D ユーザーズマニュアル

2 Wiring and Connection

MITSUBISHI CNC

2 - 4

2-2 Main circuit terminal block/control circuit connector

2-2-1 Names and applications of main circuit terminal block signals and control circuit

connectors

The following table shows the details for each terminal block signal.

Name

Signal name

Description

L1 . L2 . L3

Main circuit power
supply

Main circuit power supply input terminal
Connect a 3-phase 200VAC (50Hz) or 200 to 230VAC (60Hz).

(N . P1 . P2)

Not used

Not used (Short between P1 and P2.)

P.C.D

Regenerative
resistor

Regenerative resistor connection terminal
When using the built-in regenerative resistor, short between P and D.
P to D is wired at shipment.
When using the external option regenerative resistor, disconnect the wire between P and
D, and wire the external option regenerative resistor between P and C.

L11 L21

Control circuit power
supply

Control circuit power supply input terminal
Connect a single-phase 200VAC (50Hz) or 200 to 230VAC (60Hz).

U . V . W

Motor output

Servo/spindle motor power output terminal (3-phase AC output)
The servo/spindle motor power terminal (U, V, W) is connected.

Protective grounding
(PE)

Grounding terminal
The servomotor/spindle motor grounding terminal is connected and grounded.

1. When sharing a circuit protector for several drive units, of a short-circuit fault occurs in a small

capacity unit, the circuit protector could trip. This can be hazardous, so do not share the circuit

protector.

2. Be sure to use the circuit protector of proper capacity for each drive unit.

CAUTION