Mitsubishi Electric FR-CC2-P Instruction Manual page 99

(H) Protective function parameter
Connection diagram
A connection diagram of the emergency drive is shown below.
• Two units connected in parallel (for driving a single wound motor)
MCCB
Three-phase
AC power
supply
X84
RES
SD

The applied terminals differ by the settings of Pr.178, Pr.187, and Pr.189 (Input terminal function selection).

The applied terminals differ by the settings of Pr.190 to Pr.195 (Output terminal function selection).
NOTE
• Parameter settings for the emergency drive function are enabled in the master converter unit only. Settings in the slave does
not enable the function.
• Settings in the master inverter (FR-A802-P) is also required to enable the emergency drive function.
Emergency drive execution sequence
• When the X84 signal is ON for 3 seconds, the emergency drive is activated.
• The Y65 signal turns ON during emergency drive operation.
• "ED" appears on the operation panel during emergency drive operation.
• The ALM3 signal turns ON when a fault occurs during emergency drive operation.
• Operation of the emergency drive function (when the retry in case of critical faults is selected)
RES
X84
RDA
ALM3
ALM
Y65
98
PARAMETER
FR-CC2-P (master)
P/+
R/L1
S/L2
T/L3
N/-
R1/L11
S1/L21
RDB
*2
RDA
IPF
RSO
FAN
SE
Emergency drive
TXD1+
TXD1-
*1
TXD2+
Inverter/bypass
TXD2-
RXD1+
RXD1-
RXD2+
RXD2-
GND(SG)
GND(SG)
FR-CC2-P (slave)
P/+
R/L1
S/L2
T/L3
N/-
R1/L11
S1/L21
TXD1+
TXD1-
TXD2+
TXD2-
RXD1+
RXD1-
RXD2+
RXD2-
GND(SG)
GND(SG)
Operation continued except in case of critical faults
ON
ON
3s
ON
FR-A802-P (master)
P/+
U
V
W
N/-
R1/L11
Y65
S1/L21
ALM3
MRS(X10)
MC2
RES
SD
MC3
SE
X84
TXD1+
execution
TXD1-
TXD2+
CS
TXD2-
RXD1+
RXD1-
RXD2+
RXD2-
SD
GND(SG)
GND(SG)
FR-A802-P (slave)
P/+
U
V
W
N/-
R1/L11
S1/L21
TXD1+
TXD1-
TXD2+
TXD2-
RXD1+
RXD1-
RXD2+
RXD2-
GND(SG)
GND(SG)
Emergency drive continued
Retry in case of critical faults
ON
ON
ON
Retry waiting time
Pr.514
Emergency drive in operation
MC2
FR-POL
Emergency drive
in operation
Fault output during
emergency drive
MC2
MC3
MC3
MC2
24 VDC
MC3
FR-POL
Emergency drive finished
ON
ON
Normal operation
Time
M
Single wound motor