Installation and wiring
Connection of stand-alone option units
FR-A800
2 - 101
2.10.8
Connection of the DC reactor (FR-HEL)
●
Keep the surrounding air temperature within the permissible range (-10 °C to +50 °C). Keep
enough clearance around the reactor because it heats up. (Take 10 cm or more clearance on top
and bottom and 5 cm or more on left and right regardless of the installation direction.)
●
When using the DC reactor (FR-HEL), connect it across terminals P/+ and P1.
For the FR-A820-03160(55K) or lower and FR-A840-01800(55K) or lower, the jumper connected
across terminals P/+ and P1 must be removed.
Otherwise, the reactor will not be effective.
●
Select a DC reactor according to the applied motor capacity. (Refer to page 8-1.)
For the FR-A820-03800(75K) or higher, the FR-A840-02160(75K) or higher, and when a 75 kW or
higher motor is used, always connect a DC reactor.
●
Since the DC reactor (FR-HEL) is electrically connected to the enclosure through mounting screws,
the DC reactor is earthed (grounded) by being securely mounted to the enclosure. However, if the
DC reactor is not earthed (grounded) securely enough, an earthing (grounding) cable may be
used.
When using an earthing (grounding) cable for FR-HEL-(H)55K or lower, wire the cable to the
installation hole where varnish is removed. For FR-FR-HEL-(H)75K or higher, use an earth (ground)
terminal to perform earthing (grounding). (Refer to the Instruction Manual of the FR-HEL.)
I002414E_F
Fig. 2-71:
Clearances around the DC reactor (FR-HEL)
Fig. 2-72:
Connection of the DC reactor (FR-HEL)
I001040E
NOTES
The wiring distance must be within 5 m.
As a reference, the cable gauge for the connection must be equal to or larger than that of the
power supply cables (R/L1, S/L2, T/L3) and the earthing (grounding) cable. (Refer to page 2-37.)
≥
5 cm
≥
10 cm
≥
5 cm
≥
5 cm
≥
5 cm
Remove the
jumper
Summary of Contents for FR-A820-00046 (0.4K)
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Page 144: ...System configuration for Ethernet communication FR A800 E Installation and wiring 2 114 ...
Page 202: ...Basic operation procedure JOG operation Basic operation 4 32 ...
Page 1090: ...Check first when you have a trouble Protective functions 6 50 ...
Page 1189: ...Appendix EC Declarations of Conformity FR A800 A 49 ...
Page 1190: ...EC Declarations of Conformity Appendix A 50 ...
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Page 1212: ...EC Declarations of Conformity Appendix A 72 A 7 2 FR A846 series ...
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