(H) Protective function parameter
98
Connection diagram
A connection diagram of the emergency drive is shown below.
• Two units connected in parallel (for driving a single wound motor)
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
• Operation of the emergency drive function (when the retry in case of critical faults is selected)
• 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.
FR-CC2-P (master)
FR-A802-P (master)
FR-CC2-P (slave)
FR-A802-P (slave)
P/+
N/-
P/+
N/-
MRS(X10)
RES
SD
TXD1+
TXD2+
TXD1-
TXD2-
RXD1+
RXD2+
RXD2-
RXD1-
GND(SG)
RDB
RDA
IPF
RSO
FAN
SE
R/L1
S/L2
T/L3
U
V
W
R1/L11
S1/L21
S1/L21
P/+
N/-
R/L1
S/L2
T/L3
S1/L21
R1/L11
R1/L11
P/+
N/-
U
V
W
R1/L11
S1/L21
GND(SG)
TXD1+
TXD2+
TXD1-
TXD2-
RXD1+
RXD2+
RXD2-
RXD1-
GND(SG)
GND(SG)
TXD1+
TXD2+
TXD1-
TXD2-
RXD1+
RXD2+
RXD2-
RXD1-
GND(SG)
GND(SG)
TXD1+
TXD2+
TXD1-
TXD2-
RXD1+
RXD2+
RXD2-
RXD1-
GND(SG)
GND(SG)
Three-phase
AC power
supply
FR-POL
FR-POL
Single wound motor
M
MC2
MC3
*1
*2
MC3
MC2
24 VDC
MC2
MC3
X84
CS
SD
Emergency drive
in operation
Fault output during
emergency drive
Emergency drive
execution
Inverter/bypass
X84
SD
RES
MCCB
Y65
MC2
SE
MC3
ALM3
Operation continued except in case of critical faults
RES
X84
RDA
ALM3
Retry waiting time
Pr.514
Emergency drive in operation
Y65
Retry in case of critical faults
Normal operation
Emergency drive continued
ALM
3s
ON
ON
ON
ON
ON
ON
ON
Emergency drive finished
ON
Time
Содержание FR-CC2-P
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