22 Unidrive M400 Quick Start Guide
Issue Number: 5
5 Optional LCD keypad and display
The keypad and display provide information to the user regarding the operating status of the drive
and trip codes, and provide the means for changing parameters, stopping and starting the drive, and
the ability to perform a drive reset.
Figure 5-1 Unidrive M400 keypad detail
(1) The Enter button is used to enter parameter view or edit mode, or to accept a parameter edit.
(2) The Navigation keys can be used to select individual parameters or to edit parameter values. In
keypad mode, the ‘Up’ and ‘Down’ keys are also used to increase or decrease the motor speed.
(3) The Start key is used to start the drive in keypad mode.
(4) The Stop / Reset key is used to stop and reset the drive in keypad mode. It can also be used to
reset the drive in terminal mode.
(5) The Escape key is used to exit from the parameter edit / view mode or disregard a parameter edit.
Table 5-1 Status indications
The keypad is not supplied with the drive.
Upper row
string
Description
Drive output
stage
Inhibit
The drive is inhibited and cannot be run. The SAFE TORQUE
OFF signals are not applied to the SAFE TORQUE OFF terminals
or Pr 06.015 is set to 0. The other conditions that can prevent the
drive from enabling are shown as bits in Enable Conditions
(06.010).
Disabled
Ready
The drive is ready to run. The drive enable is active, but the drive
inverter is not active because the final drive run is not active.
Disabled
Stop The drive is stopped / holding zero frequency. Enabled
Run The drive is active and running. Enabled
Supply Loss Supply loss condition has been detected Enabled
Deceleration
The motor is being decelerated to zero
frequency because the final drive run has been deactivated.
Enabled
dc Injection The drive is applying dc injection braking. Enabled
Trip
The drive has tripped and no longer controlling the motor. The trip
code appears in the lower display.
Disabled
Under
Voltage
The drive is in the under voltage state either in low voltage or high
voltage mode.
Disabled
Unidrive M400 Quick Start Guide English Iss3.book Page 22 Wednesday, July 16, 2014 8:12 AM