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Main Circuit Terminals; Details On The Main Circuit Terminals - Mitsubishi Electric FR-F800 Instruction Manual

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2.5

Main circuit terminals

2.5.1

Details on the main circuit terminals

Terminal
Terminal name
symbol
R/L1,
S/L2,
AC power input
T/L3
U, V, W
Inverter output
R1/L11,
Power supply for the control
S1/L21
circuit
P/+, N/-
Brake unit connection
Brake unit connection
FR-F820-00770(18.5K) to
P3, N/-
01250(30K)
FR-F840-00470(22K) to
01800(75K)
DC reactor connection
FR-F820-02330(55K) or lower
FR-F840-01160(55K) or lower
P/+, P1
DC reactor connection
FR-F820-03160(75K) or higher
FR-F840-01800(75K) or higher
Do not use terminals PX and PR. The terminal PX is equipped in the FR-F820-00490(11K) or lower and the
PX, PR
FR-F840-00250(11K) or lower. The terminal PR is equipped in the FR-F820-01250(30K) or lower and the FR-
F840-01800(75K) or lower.
Earth (ground)
Terminal function description
Connect these terminals to the commercial power supply.
Do not connect anything to these terminals when using the high power
factor converter (FR-HC2) or the power regeneration common converter
(FR-CV).
Connect these terminals to a three-phase squirrel cage motor or a PM
motor.
Connected to the AC power supply terminals R/L1 and S/L2. To retain the
fault display and fault output, or to use a high power factor converter (FR-
HC2) or a power regeneration common converter (FR-CV), remove the
jumpers across terminals R/L1 and R1/L11 and across S/L2 and S1/L21,
and supply external power to these terminals.
The power capacity necessary when separate power is supplied from R1/
L11 and S1/L21 differs according to the inverter capacity.
FR-F820-00630(15K) or lower, FR-F840-00380(18.5K) or lower
60 VA
FR-F820-00770(18.5K) or higher, FR-F840-00470(22K) or higher
80 VA
Connect the brake unit (FR-BU2, FR-BU, BU), power regeneration
common converter (FR-CV), power regeneration converter (MT-RC), high
power factor converter (FR-HC2), or DC power supply (under DC feeding
mode).
When connecting multiple inverters, FR-F820-00770(18.5K) to
01250(30K) or FR-F840-00470(22K) to 01800(75K), in parallel using the
FR-CV, FR-HC2, or a DC power supply, always use either terminal P/+ or
P3 for the connection. (Do not use the terminals P/+ and P3 together.)
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.
Always connect a DC reactor, which is available as an option.
For earthing (grounding) the inverter chassis. This must be earthed
(grounded).
Main circuit terminals
INSTALLATION AND WIRING
Refer to
page
55
63
69
2
45
37

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