Mitsubishi Electric FR-A820-00046 Instruction Manual page 698

(A) Application parameters
Operation in combination with the self power management function for the separated
converter type
When the self power management function is used with the separated converter type, the input sig-
nal operations are as follows.
X95
(Converter
unit fault)
OFF
ON
OFF
Tab. 5-206: Input signals of self power management function with separated converter type
When Pr. 138 = "0 (electronic bypass invalid at a fault)", MC2 is OFF. When Pr. 138 = "1 (electronic
bypass valid at a fault)", MC2 is ON.
The self power management operation is followed.
MC operation
 :
×:
⎯
:
Parameters referred to
Pr. 11
Pr. 57
Pr. 58
Pr. 79
Pr. 178 to Pr. 189
Pr. 190 to Pr. 196
5 - 496
X94
X96
(Control
(Converter
signal for
unit fault
main circuit
(E.OHT,
power supply
E.CPU))
MC)
ON
OFF
OFF
ON ON
ON
ON
OFF
MC-ON
MC-OFF
During inverter operation, MC2-OFF, MC3-ON
During commercial power supply operation, MC2-ON, MC3-OFF
DC injection brake operation time
Restart coasting time
Restart cushion time
Operation mode selection
(input terminal function selection)
(output terminal function selection)
MC operation
Converter status
MC1 MC2 MC3
Converter fault

× ×
(E.OHT (Pr. 248 = "2"))
Converter fault
× × ×
(E.OHT (Pr. 248 = "1"), E.CPU)

— — Converter normal
Converter fault

× (other than the circuit failure fault or E.OHT)
—
(Pr. 248 = "2")
Converter fault
× ×
—
(other than E.OHT or E.CPU)
Parameters
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