Installation and wiring
Connection of stand-alone option units
FR-A800
2 - 91
●
When the regenerative brake transistor is damaged, install a thermal relay as shown in the
following sequence diagrams to prevent overheat and burnout of the brake resistor. Properly
select a thermal relay according to the regenerative driving frequency or the rated power or
resistance of the brake resistor.
Since the FR-A820-00630(11K) or higher and FR-A840-00310(11K) or higher are not provided with
the PX terminal, a jumper needs not to be removed.
I002406E, I002407E
Fig. 2-62:
Protective circuit
E
CAUTION
●
If the resistor selection is incorrect, overcurrent may damage the inverter built-in brake
transistor. Besides, the resistor may be burned due to overheat.
●
If the selection of the thermal relay is incorrect, the resistor may be burned due to overheat.
R
PX
PR
P/+
(P3)
S/L2
T/L3
R/L1
MC
T
F
MC
MC
MC
S/L2
T/L3
R/L1
B
C
T
F
MC
MC
R
PX
PR
P/+
(P3)
Power
supply
Inverter
Thermal
relay
(OCR)
OFF
ON
OCR
contact
Disconnect jumper
Example 1
Power
supply
Thermal
relay
(OCR)
OFF
ON
OCR
contact
Disconnect jumper
Example 2
Brake
resistor
Brake
resistor
Inverter
Summary of Contents for FR-A820-00046 (0.4K)
Page 2: ......
Page 4: ......
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 ...
Page 1191: ...Appendix EC Declarations of Conformity FR A800 A 51 ...
Page 1192: ...EC Declarations of Conformity Appendix A 52 ...
Page 1193: ...Appendix EC Declarations of Conformity FR A800 A 53 ...
Page 1194: ...EC Declarations of Conformity Appendix A 54 ...
Page 1195: ...Appendix EC Declarations of Conformity FR A800 A 55 ...
Page 1196: ...EC Declarations of Conformity Appendix A 56 ...
Page 1197: ...Appendix EC Declarations of Conformity FR A800 A 57 ...
Page 1198: ...EC Declarations of Conformity Appendix A 58 ...
Page 1199: ...Appendix EC Declarations of Conformity FR A800 A 59 ...
Page 1200: ...EC Declarations of Conformity Appendix A 60 ...
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Page 1202: ...EC Declarations of Conformity Appendix A 62 ...
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Page 1204: ...EC Declarations of Conformity Appendix A 64 ...
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Page 1206: ...EC Declarations of Conformity Appendix A 66 ...
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Page 1208: ...EC Declarations of Conformity Appendix A 68 ...
Page 1209: ...Appendix EC Declarations of Conformity FR A800 A 69 ...
Page 1210: ...EC Declarations of Conformity Appendix A 70 ...
Page 1211: ...Appendix EC Declarations of Conformity FR A800 A 71 ...
Page 1212: ...EC Declarations of Conformity Appendix A 72 A 7 2 FR A846 series ...
Page 1213: ...Appendix EC Declarations of Conformity FR A800 A 73 ...
Page 1214: ...EC Declarations of Conformity Appendix A 74 ...
Page 1215: ...Appendix EC Declarations of Conformity FR A800 A 75 ...
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