Mitsubishi Electric FR-A800, Instruction Manual

Page: 120 / 1042

Connection of stand-alone option units Installation and wiring
2 - 90
2.10.7 Connection of the power regeneration converter (MT-RC)
When connecting the power regeneration converter (MT-RC), perform wiring securely as shown be-
low. Incorrect connection will damage the power regeneration converter and the inverter. The MT-RC
is applicable to FR-A840-02160(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".
I002426E
Fig. 2-66: Connection of the power regeneration converter (MT-RC)
NOTES 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.
DCL
P1
P1
R/L1
S/L2
T/L3
R1/L11
S1/L21
R R2
RES
U
V
W
MT-RCL
P
P/+ N/-
P
N
RDY
SE
MT-RC
MCCB
MC2
MC1
M
STF
SD
S
T
S2
T2
R2
S2
T2
R
S
T
R1
S1
C
B
A
Three-
phase AC
power
supply
Inverter
Reset signal
Alarm signal
Ready signal
1 s or more
ON
ON Inverter input power
supply (MC2)
MT-RC power
supply (MC1)