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7
Figure 7-13. Internal brake resistor connection
Fan control (P6.3.4)
This function allows the control of the frequency converter’s cooling fan. When the power is
switched on the fan can be set to run continuously or dependant on the temperature of the unit. If
the latter function has been selected the fan is switched on automatically when the heat sink
temperature reaches 60
°
C. The fan receives a stop command when the heat sink temperature
falls to 55
°
C. However the fan runs for about a minute after receiving the stop command, as well
as after changing the value from Continuous to Temperature.
Enter the edit mode by pushing the right arrow menu button. The present mode shown starts to
blink. Use the Browser buttons to change the fan mode. Accept the change with the Enter button
or return to the previous level with the left arrow menu button.
Figure 7-14. Fan control function
HMI acknowledge timeout (P6.3.6)
This function allows the user to change the timeout of the HMI acknowledgement time.
Note!
If the frequency converter has been connected to the PC with a
normal cable
, the default
values of parametres 6.3.6 and 6.3.7 (200 and 5)
must not be changed.
If the frequency converter has been connected to the PC via a modem and there is a delay in
transferring messages, the value of par. 6.3.6 must be set according to the delay as follows:
S1
"
S9
READY
I/Oterm
READY
I/Oterm
READY
I/Oterm
enter
READY
I/Oterm
I/Oterm
P1
"
P7
System Menu
System settings
InternBrakeRes
Connected
Not conn.
InternBrakeRes
Connected
InternBrakeRes
READY
I/Oterm
READY
I/Oterm
enter
READY
I/Oterm
Fan control
Continuous
Fan control Fan control
Continuous
Temperature
OR: