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F codes
E codes
C codes
P codes
H codes
A codes
b codes
r codes
J codes
d codes
U codes
y codes
Ch
ap
. 5
FUNCTION C
O
DES
• In the figure below, the inverter failed to restart normal operation within the number of reset times specified by H04 (in
this case, 3 times (H04 = 3)), and issued the alarm output (for any alarm)
ALM
.
Auto-resetting -- TRY (E20 to E24 and E27, data = 26)
This output signal comes ON when auto-resetting (resetting alarms automatically) is in progress.
H06
Cooling Fan ON/OFF Control
To prolong the service life of the cooling fan and reduce fan noise during running, the cooling fan stops when the
temperature inside the inverter drops below a certain level while the inverter stops. However, since frequent switching of the
cooling fan shortens its service life, the cooling fan keeps running for 10 minutes once started.
H06 specifies whether to keep running the cooling fan all the time or to control its ON/OFF.
Data for H06
Cooling fan ON/OFF
0
Disable (Always in operation)
1
Enable (ON/OFF controllable)
Cooling fan in operation -- FAN (E20 to E24 and E27, data = 25)
With the cooling fan ON/OFF control enabled (H06 = 1), this output signal is ON when the cooling fan is in operation, and
OFF when it is stopped. This signal can be used to make the cooling system of peripheral equipment interlocked for an
ON/OFF control
H07 Acceleration/Deceleration
Pattern
(Refer to F07.)
H08
Rotational Direction Limitation
H08 inhibits the motor from running in an unexpected rotational direction due to miss-operation of run commands,
miss-polarization of frequency commands, or other mistakes.
Data for H08
Function
0 Disable
1
Enable (Reverse rotation inhibited)
2
Enable (Forward rotation inhibited)
Under vector control, some restrictions apply to the speed command. Under vector control without speed sensor, a speed
estimation error caused by a motor constant error or other errors may slightly rotate the motor in the direction other than the
specified one.
Summary of Contents for FRENIC-MEGA
Page 36: ...2 6 Unit inch mm Refer to Section 2 3 3 9...
Page 356: ...MEMO...