Powered by Eaton Technology VSD Series Drives User Manual
LIT-1201828
For more information visit: www.johnsoncontrols.com 6-15
November 2009
Hardware Settings (S5.7)
The Hardware Settings submenu (S5.7) provides parameters for setting information on
Internal brake resistor connection, Fan control, Keypad acknowledge timeout and Keypad
retries.
P5.6.4
Contrast
Adjustment
Default: 18
Contrast adjustment
If the display is not clear, you can adjust the keypad contrast with this parameter.
P5.6.5
Backlight
Time
Range: 1 – 65,535 or Forever
Units: Minutes
Default: 10
Backlight time
This parameter determines how long the backlight stays on before going out. You can
select any time between 1 and 65,535 minutes or “Forever”. 0 minutes = Forever.
P5.7.1
Internal Brake
Resistor
Connection
Range: Connected – Not Connected Default: Connected
Internbrakeres
With this function you tell the drive whether the internal brake resistor is connected
or not.
If your drive has 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, it is advisable
to change the value of this function to “Not Connected” in order to avoid
unnecessary fault trips.
Note: The brake resistor is available as an option for all drives. It can be installed
internally in frame sizes FR4 to FR6.
P5.7.2
Fan Control
Range: Continuous, Temperature Default: Continuous
Fan control
This function sets the control method of the drive’s cooling fan. You can set the fan
to run continuously when the power is switched on or to run based on the
temperature of the unit. If the latter function has been selected, the fan is switched
on automatically when the heatsink temperature reaches 60°C. The fan receives a
stop command when the heatsink temperature falls to 55°C. 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 continuously, regardless of this setting, when the drive is in RUN
state.
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