Perfect Harmony GENIII/e User’s Manual The Keypad and Display Interface
A1A19000405A: Version 1.3 3-3
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• Acknowledge the alarm by pressing the [FAULT RESET] key on the keypad. Acknowledging an alarm will
cause all alarms to be no longer displayed on the keypad display. However, if any alarm condition still
exists, the Fault LED will flash red.
3.2.2 Automatic Key
The [AUTOMATIC] key is located below the [FAULT RESET] key on the keypad, and can be used to put the
Perfect Harmony drive into automatic mode. In automatic mode, the standard speed setting for the drive is obtained
from the 4-20 mA input and through speed profile parameters located in the Speed Profile Menu (4000)
3.2.3 Manual Stop Key
The [MANUAL STOP] key is used to place the Perfect Harmony into stop mode. Stop mode shuts down the drive in
a controlled manner, regardless of its current state (manual, remote, or automatic).
3.2.4 Manual Start Key
The [MANUAL START] key is located below the [AUTOMATIC] key on the left side of the keypad. [MANUAL
START] can be used, to put the Perfect Harmony system into manual control mode.
There are two varieties of manual mode: local and remote. These varieties are distinguished by the sources of the
velocity demand. In local manual mode, the desired velocity is selected manually using the up and down arrow keys
([×] and [Ø]) on the system keypad. In remote manual mode, the desired velocity is selected manually using a user-
supplied potentiometer connected to the system. Remote manual mode is activated by pressing the momentary digital
input assigned to manual start mode. A simplified flow diagram of manual mode is illustrated in Figure
3-1.
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Note: An alarm condition will be reset automatically once, it no longer exists. If an alarm is not
acknowledged, that alarm’s LCD text message may still appear. However, the red “FAULT” LED will turn
off once the condition that triggered the alarm is resolved.
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Note: Automatic mode can be customized to suit particular application needs by modifying the
appropriate I/O parameters from the keypad and display interface. Modification of the standard system
program of the Perfect Harmony is also a viable option, although it requires an understanding of the
system program format, the compilation process, and downloading techniques.
*
Note: Modification of the standard system program of the Perfect Harmony requires an understanding of
the system program format, the compilation process, and downloading techniques.
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