Fuji Electric FRENIC MEGA G2 Series - Page 487

5.3 Description of Function Codes 5.3.9 d codes (Applied functions 2)
5-303
FUNCTION CODES
Chap 5
FUNCTION
CODES
F Codes
E Codes
C Codes
P Codes
H Codes
A Codes
b Codes
r Codes
J Codes
d Codes
U Codes
y Codes
K Codes
d21, d22
d23
Speed mismatch (Detection width, Detection timer)
Detection mismatch error selection
Speed agreement signal “DSAG” (Function code E20 to E24, E27 (data = 71))
 Speed agreement signal (Detection width) (d21), (Detection timer) (d22)
• Data setting range: (d21) 0.0 to 50.0 (%), in (%) of the maximum speed
(d22) 0.00 to 10.00 (s)
If the speed regulator’s deviation (between the reference speed and detected one) is within the specified range
(d21), the signal “DSAG” turns ON. If the deviation is out of the specified range (d21) for the specified period (d22),
the signal turns OFF. This signal allows the user to check whether the speed regulator works properly or not.
Speed mismatch error “PG-ERR” (Function code E20 to E24, E27 (data = 76))
 Speed agreement/PG error (Detection width (d21), Detection timer (d22), PG error (d23)
• Data setting range (d21) 0.0 to 50.0 (%), in (%) of the maximum speed
(d22) 0.00 to 10.00 (s)
(d23) 0 to 5
d23 data
Function
0
Continue to run 1
1
Alarm (ere) stop 1
2
Alarm (ere) stop 2
3
Continue to run 2
4
Alarm (ere) stop 3
5
Alarm (ere) stop 4
If the status outside the range (d21) for which the speed regulator deviation (between speed command and
estimated speed value/detected speed) is set continues for equal to or longer than the set time (d22), the inverter
judges that a PG error has occurred.
However, the detection conditions (exception conditions), processing after detection, and error detection width will
differ depending on the d23 setting.
d23
data
Detection conditions
Processing after error detection
Error detection width with speed
command > F04
0
When the inverter cannot follow
the reference speed (even after
soft-starting) due to a heavy
overload or similar, so that the
detected speed is less than the
reference speed, the inverter
does not interpret this situation
as a PG error.
The inverter outputs the PG
error detected signal “PG-ERR”
and continues to run.
Hysteresis width = d21 x
Maximum frequency, which is
constant, even if the speed
command is above the base
frequency (F04).
1
The inverter initiates a motor
coast to stop, with the ere
alarm.
2
No exception.
3
When the inverter cannot follow
the reference speed (even after
soft-starting) due to a heavy
overload or similar, so that the
detected speed is less than the
reference speed, the inverter
does not interpret this situation
as a PG error.
The inverter outputs the PG
error detected signal “PG-ERR”
and continues to run.
If the speed command is
below the base frequency
(F04), hysteresis width = d21
x Maximum frequency, which
is constant.
If it is above the base
frequency, hysteresis width =
d21 x Speed command x
Maximum frequency/Base
frequency (F04).
4
The inverter initiates a motor
coast to stop, with the ere
alarm.
5
No exception.