Lenze 8400 motec - Manual (Page 50)

3 Commissioning
3.6 Commissioning of the "Switch-off positioning" technology application
50 Lenze · 8400 motec · Reference manual · DMS 4.1 EN · 08/2013 · TD05
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3.6.5 Saving parameter settings safe against mains failure
The parameter set must be saved to the device safe against mains failure to prevent parameter
settings becoming lost due to mains switching.
• Save parameter set.
3.6.6 Enable controller and test application
If the controller is in the " SwitchedOn " status:
1. Enable controller: Set terminal RFR to HIGH level.
2. Select the respective control signals via the digital inputs.

Stop!
Before stipulating a speed setpoint, check whether the brake in the form of a holding
brake on the motor shaft has been released!

Note!
If the controller is enabled and the "Inhibit at power-on" auto-start option is activated in
C00142 (Lenze setting) when the mains is connected, the controller remains in the
" ReadyToSwitchOn " state.
In order to change to the " SwitchedOn " status, the controller enable must first be
cancelled: Set terminal RFR to LOW level.

Note!
Observe the actual speed value (display in C00051 ) and the LED status display at the
controller.