Control place indications, Status leds (green – green – red), Text lines – TREND NX Variable Speed Drives User Manual

Page 85

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CONTROL KEYPAD

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7

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 and no faults are active.

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.


= Blinks 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.

7.1.4 Text

lines

(See control keypad)

The three text lines (•, ••, •••) provide the user with information on his present location in the keypad menu
structure as well as with information related to the operation of the drive.

= Location indication; displays the symbol and number of menu, parameter etc.

Example:

M2 = Menu 2 (Parameters); P2.1.3 = Acceleration time

••

= Description line; Displays the description of menu, value or fault.

•••

= Value line; Displays the numerical and textual values of references, parameters

etc. and the number of submenus available in each menu.

b

c

a

I

II

III

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