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Nx Networks NX series User Manual

Page 47

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Control keypad

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READY = Lights when AC power is on. In case of a trip, the symbol will not light up.

ALARM = Indicates that the drive is running outside a certain limit and a warning is given.

FAULT = Indicates that unsafe operating conditions were encountered due to which the drive

was stopped.

7.1.2

Control place indications

(See control keypad)

The symbols I/O term, Keypad and Bus/Comm (see Figure 7-1) indicate the choice of control
place made in the Keypad control menu (M3) (see chapter 7.3.3).

I/O term

= I/O terminals are the selected control place; i.e. START/STOP

commands or reference values etc. are given through the I/O terminals.

Keypad

= Control keypad is the selected control place; i.e. the motor can be

started or stopped, or its reference values etc. altered from the keypad.

Bus/Comm

= The frequency converter is controlled through a fieldbus.

7.1.3

Status LEDs (green – green – red)

(See control keypad)

The status LEDs light up in connection with the READY, RUN and FAULT drive status indicators.

= Illuminates with the AC power connected to the drive. Simultaneously, the

drive status indicator READY is lit up.

= Illuminates when the drive is running. Blinks when the STOP button has

been pushed and the drive is ramping down.

= Illuminates when unsafe operating conditions were encountered due to

which the drive was stopped (Fault Trip). Simultaneously, the drive status
indicator FAULT blinks on the display and the fault description can be seen,
see chapter 7.3.4, Active Faults.

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