User`s manual

98(110) CONTROL KEYPAD
7
7.3.6.7 Hardware settings
NOTE: The Hardware settings submenu is protected with a password (see chapter Password (S6.5.1)).
Store the password in a safe place!
In the Hardware settings submenu (S6.7) under the System menu you can further control some functions
of the hardware in your frequency converter. The functions available in this menu are Internal brake
resistor connection, Fan control, HMI acknowledge timeout and HMI retry.
Internal brake resistor connection (P6.7.1)
With this function you can tell the frequency converter, whether the internal brake resistor is connected or
not. If you have ordered the frequency converter with an internal brake resistor, the default value of this
parameter is Connected. However, if it is necessary to increase braking capacity by installing an external
brake resistor, or if the internal brake resistor is disconnected for another reason, it is advisable to change
the value of this function to Not conn. in order to avoid unnecessary fault trips.
Enter the edit mode by pushing the Menu button right. Use the Browser buttons to change the internal
brake resistor status. Accept the change with the Enter button or return to the previous level with the Menu
button left.
Note! The brake resistor is available as optional equipment for all classes. It can be installed internally in
classes FR4 to FR6.
Figure 7-21. Internal brake resistor connection
Fan control (P6.7.2)
This function allows you to control the frequency converter’s cooling fan. You can set the fan to run con-
tinuously when the power is switched on or depending 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 or
the converter is in RUN state. The fan receives a stop command when the heat sink temperature falls to
55°C and the converter is in STOP state. However, the fan runs for about a minute after receiving the stop
command or switching on the power, as well as after changing the value from Continuous to Temperature.
Note! The fan runs always when the drive is in RUN state.
S1
Î
S8
READY
I/Oterm
READY
I/Oterm
READY
I/Ot erm
enter
READY
I/Ot erm
READY
I/Oterm
P1
Î
P4
System Menu
HW settings
InternBrakeRes
Connected
Not conn.
InternBrakeRes
Connected
InternBrakeRes