Wiring
Main circuit connection
FR-A700 EC
3 - 7
3.3
Main circuit connection
3.3.1
Specification of main circuit terminal
Connecting a DC reactor to the 01800
●
When using the inverter for LD or SLD rating, always connect the supplied DC reactor.
●
To improve power factor and suppress harmonics with a reactor when using the inverter
for ND or HD rating, connect the supplied DC reactor.
●
It is not necessary to connect the supplied DC reactor for operation other than the above.
When not connecting the supplied DC reactor, connect a supplied jumper across
terminals P/+ and P1.
●
The inverter operates only when either a DC reactor or jumper is connected.
Terminal
Name
Description
L1, L2, L3
AC power input
Connect to the commercial power supply
(380–480V AC, 50/60Hz; for 01800 or more: 380–500V AC)
Keep these terminals open when using the high power factor converter
(FR-HC, MT-HC) or power regeneration common converter (FR-CV).
U, V, W
Inverter output
Voltage ouput of the inverter
(3 ~, 0V–power supply voltage, 0.2–400 Hz)
L11, L21
Power supply for
control circuit
Connected to the AC power supply terminals L1 and L2. To retain the alarm
display and alarm output or when using the high power factor converter (FR-
HC, MT-HC) or power regeneration common converter (FR-CV), remove the
jumpers from terminals L1-L11 and L2-L21 and apply external power to
these terminals.
Do not turn off the power supply for control circuit (L11, L21) with the main
circuit power (L1, L2, L3) on. Doing so may damage the inverter. The circuit
should be configured so that the main circuit power (L1, L2, L3) is also
turned off when the power supply for control circuit (L11, L21) is off.
00380 or less: 60VA, 00470 or more: 80VA
P/+, PR
Brake resistor
connection
(00620 or less)
Remove the jumper from terminals PR-PX (00250 or less) and connect an
optional brake resistor (FR-ABR) across terminals P/+-PR.
For the 00620 or less, connecting the resistor further provides regenerative
braking power.
P/+, N/
−
Brake unit connection Connect the brake unit (FR-BU, BU and MT-BU5), power regeneration com-
mon converter (FR-CV), high power factor converter (FR-HC and MT-HC) or
power regeneration converter (MTRC).
P/+, P1
DC reactor
connection
For the 01160 or less, remove the jumper across terminals P/+ - P1 and con-
nect the DC reactor. (As a DC reactor is supplied with the 01800 or more as
standard, be sure to connect the DC reactor.
)
PR, PX
Built-in brake circuit
connection
When the jumper is connected across terminals PX-PR (initial status), the
built-in brake circuit is valid. (Provided for the 00250 or less.)
PE
For earthing the inverter chassis. Must be earthed.
Tab. 3-2:
Specification of main circuit terminal
NOTE
When connecting a dedicated brake resistor (FR-ABR) and brake unit (FR-BU, BU) remove
jumpers across terminals PR-PX (00250 or less).
Содержание FR-A700 EC
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Страница 24: ...Description of the Case Product Checking and Part Identification 1 4 ...
Страница 38: ...Enclosure design Installation 2 14 ...
Страница 774: ...Specifications FR A 740 01800 to 12120 Appendix A 4 ...
Страница 820: ...Parameter list with instruction codes Appendix A 50 ...
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