Main Circuit Terminals; Details On The Main Circuit Terminals; Main Circuit Terminal Layout And Wiring To Power Supply And Motor - Mitsubishi Electric 800 Series Instruction Manual

2.5

Main circuit terminals

2.5.1

Details on the main circuit terminals

Terminal symbol Terminal name
R/L1, S/L2, T/L3 AC power input
U, V, W Inverter output
P/+, PR Brake resistor connection for
P/+, N/- Brake unit connection
P/+, P1 DC reactor connection for
Earth (ground)
2.5.2 Main circuit terminal layout and wiring to power
supply and motor
FR-E860-0017(0.75K) to 0040(2.2K)
N/- P/+
Jumper
R/L1 S/L2 T/L3
PR
Power supply
NOTE
• Make sure the power cables are connected to the R/L1, S/L2, and T/L3. (Phase need not be matched.) Never connect the
power cable to the U, V, and W of the inverter. Doing so will damage the inverter.
• Connect the motor to U, V, and W. (The phases must be matched.)
Connect these terminals to the commercial power supply.
Connect these terminals to a three-phase squirrel cage motor or a PM
motor.
Connect a brake resistor across terminals P/+ and PR.
Connect the brake unit.
Remove the jumper across terminals P/+ and P1, and connect a DC
reactor.
When a DC reactor is not connected, the jumper across terminals P/+
and P1 should not be removed.
For earthing (grounding) the inverter chassis. Be sure to earth (ground)
the inverter.
Earthing (grounding)
M
terminal
Motor
Terminal function description
FR-E860-0061(3.7K) to 0120(7.5K)
Jumper
R/L1 S/L2 T/L3
N/- P/+ PR
Earthing (grounding)
terminal
Power supply
Refer to
page
—
—
65
—
65
43
Earthing (grounding)
M
terminal 10
Motor
39
2. Installation and Wiring
2.5 Main circuit terminals
1
2
3
4
5
6
7
8
9