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3-25
On the "detailed alarm info screens," you can view the information on the inverter running status at the time an alarm occurred.
Table 3.11 lists the alarm information displayed on the LCD monitor.
Table 3.11 Alarm Information Items
Page # in
operation guide
Item Symbol
Description
1
Output frequency
Fot1
Output frequency (before slip compensation)
Output current
Iout
Output current
Output voltage
Vout
Output voltage
Calculated torque
TRQ
Calculated motor output torque
2
Reference frequency
Fref
Frequency specified by frequency command
Rotational direction
FWD
REV
(Blank)
Forward
Reverse
Stopped
Current limit
IL
Current limiting
Undervoltage
Voltage limit
LU
VL
Undervoltage detected
Voltage limiting
Torque limit
TL
Torque limiting
Cumulative run time
TIME
Shows the content of the cumulative power-ON time counter of the
inverter.
When the count exceeds 65,535 hours, the counter will be reset to "0"
and start over again.
Speed limit
SL
Speed limiting
Motor being selected
M1-M4
Motor 1 to 4
Drive control
VF
DTV
VF-SC
VF-PG
VF-SL
VC-PG
V/f control without slip compensation
Dynamic torque vector control
V/f control with slip compensation
Dynamic torque vector control with speed sensor
Vector control without speed sensor
Vector control with speed sensor
3
Number of startups
NST
Shows the content of the motor startup counter (i.e., the number of run
commands issued).
When the count exceeds 65,530, the counter will be reset to "0" and
start over again.
DC link bus voltage
EDC
Shows the DC link bus voltage of the inverter main circuit.
Temperature inside
the inverter
TMPI
Shows the temperature inside the inverter.
Max. temperature of
heat sink
TMPF
Shows the temperature of the heat sink.
4
Input signals on the
control circuit
terminal block
TRM
Shows the ON/OFF state of input signals on terminals
[FWD], [REV], [X1] to [X7], and [EN] (Highlighted when
short-circuited; normal when open)
5
Input signals via
communications link
LNK
Shows the input signal state of function code S06 (Communication).
[FWD], [REV], [X1] to [X7], (XF), (XR), (RST) (Highlighted when 1;
normal when 0)
6 Output
signals
-
Shows the output signal state on terminals [Y1] to [Y4], [Y5A/C],
[30A/B/C].
7
Multiple alarm 1
3
Simultaneously occurring alarm codes (1)
("
----
" is displayed if no alarm has occurred.)
Multiple alarm 2
2
Simultaneously occurring alarm codes (2)
("
----
" is displayed if no alarm has occurred.)
Error sub-code
SUB
Secondary error code for alarms.
Detected speed
SPEED
Detected speed value
The information of the first alarm is saved as "Alarm history (last)" (Symbol: -1), and that of the latest alarm is retained as
"Alarm history (latest)" (Symbol: 0/1).
Содержание FRENIC-MEGA
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Страница 208: ...5 89 Examples of Sequence Circuits 1 Standard sequence 2 Sequence with an emergency switching function...
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