3 led descriptions – Rockwell Automation SP500  AC Drive Installation and Operation Manual User Manual

Page 67

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Keypad and Display Operation

7-3

7.3

LED Descriptions

The keypad area contains eight LEDs that indicate either drive status or which drive
output value is displayed in monitor mode. Tables 7.2 and 7.3 describe the drive status
LEDs and monitor mode LEDs, respectively.

Table 7.2 – Drive Status LED Descriptions

LED

State

Description

On

Off

The drive is generating an output voltage and
frequency.
The drive is not generating an output voltage and
frequency.

ATTENTION:The RUN LED must not be used as an indication that
there is no line voltage present in the drive. Verify there is no voltage
present at the DC bus terminals (+) and (–) before servicing the drive.
Failure to observe this precaution could result in severe bodily injury
or loss of life.

On
Off

The keypad and display are in program mode.
The keypad and display are in monitor mode.

On
Off

The requested motor rotation direction is forward.
The requested motor rotation direction is not forward.

On
Off

The requested motor rotation direction is reverse.
The requested motor rotation direction is not reverse.

On
Off

The drive is being controlled from the terminal strip.
The drive is being controlled from the keypad.

Table 7.3 – Monitor Mode LED Descriptions

LED

Corresponding Display When LED is On

(Actual Value)

Motor speed in RPM or in a user-specified engineering
unit. (Refer to the F-08 parameter description for more
information).

Percentage of drive full load amps rating.

Drive output voltage to the motor.

All LEDs (RPM, Volts,
%Load)

Value of the active speed reference signal as 0 to 100% of
the total scaled reference range. F-13 must be set to ON
to display this value. (Refer to the F-13 parameter
description for more information).

!

Volts

RPM/Engineering
Unit

%Load

Run

Reverse

Remote

Program

Forward

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