Connection Of The Power Regeneration Converter (Mt-Rc) - Mitsubishi Electric FR-A800 Instruction Manual

2.10.6
Connection of the power regeneration converter
(MT-RC)
When connecting the power regeneration converter (MT-RC), perform wiring securely as shown below. Incorrect connection
will damage the power regeneration converter and the inverter. The MT-RC is applicable to FR-A846-02160(75K) or higher.
After making sure that the wiring is correct, set "1" in Pr.30 Regenerative function selection and "0" in Pr.70 Special
regenerative brake duty.
MCCB
Three-phase
AC power
supply
NOTE
• When using the inverter with the MT-RC, install a magnetic contactor (MC) at
the input side of the inverter so that power is supplied to the inverter after 1 s or
more has elapsed after powering ON the MT-RC. When power is supplied to
the inverter prior to the MT-RC, the inverter and the MT-RC may be damaged
or the MCCB may trip or be damaged.
• When connecting the power coordination reactor and others, refer to
Instruction Manual of the MT-RC for precautions.
MC2
MC1
MT-RCL
R
R2
S
S2
T T2
Connection of stand-alone option units
Inverter
U
R/L1
M
V
S/L2
W
T/L3
R1/L11
S1/L21
P/+ N/-
Reset signal
P
N
RES
R2
STF
S2
SD
T2
C
B
R
A
S
RDY
T
R1
Ready signal
SE
S1
MT-RC
Inverter input power
supply (MC2)
MT-RC power
supply (MC1)
INSTALLATION AND WIRING
Alarm signal
ON
ON
1s or more
2
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