
Main circuit terminals
34
2.5
Main circuit terminals
2.5.1
Details on the main circuit terminals
Terminal
symbol
Terminal name
Terminal function description
Refer to
page
R/L1,
S/L2,
T/L3
AC power input
Connect these terminals to the commercial power supply.
—
U, V, W
Inverter output
Connect these terminals to a three-phase squirrel cage motor or a PM
motor.
—
R1/L11,
S1/L21
Power supply for the control
circuit
Connected to the AC power supply terminals R/L1 and S/L2. To retain the
fault display and fault output, 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-A860-00170 or lower
60 VA
FR-A860-00320 or higher
80 VA
P3, PR
Brake resistor connection
FR-A860-00027 to 00170 and
FR-A860-00450 to 01080
Connect the provided brake resistor or another brake resistor across the
terminals P3 and PR.
Connecting a brake resistor increases the regenerative braking capability.
,
P/+, PR
Brake resistor connection
FR-A860-00320
Connect a brake resistor across the terminals P/+ and PR.
Connecting a brake resistor increases the regenerative braking capability.
P/+, N/-
DC terminal
Connect these terminals to the DC power supply for DC feeding. A brake
unit can be also connected to these terminals.
—
P/+, P1
DC reactor connection
FR-A860-01080 or lower
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.
When using a motor with a capacity of 75 kW or higher, always connect a
DC reactor.
DC reactor connection
FR-A860-01440 or higher
Always connect a DC reactor. (The jumper is not installed for the FR-A860-
01440 or higher.)
Earth (ground)
For earthing (grounding) the inverter chassis. This must be earthed
(grounded).
Содержание 800 Series
Страница 11: ...MEMO 10 ...
Страница 17: ...MEMO 16 ...
Страница 95: ...MEMO 94 ...
Страница 671: ...MEMO 670 ...
Страница 681: ...MEMO 680 ...