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INTRODUCTION
5 - KEYPAD OPERATION AND PROGRAMMING
5.1 Introduction
The S4 AC drive is pre-programmed to run a standard, 4-pole AC induction motor. For many applications,
the drive is ready for use right out of the box with no additional programming needed. The digital keypad
controls all operations of the unit. The ten input keys allow “press and run” operation of the motor
(Operation mode) and straightforward programming of the parameters (Program mode).
Figure 20: The S4 Keypad
z NOTE: To see operation of each button go to page 52.
5.1.1 Description of the LEDs on the Standard Keypad
The display window on the digital keypad has three LEDs. The LEDs provide information about the
drive’s operating condition as shown in the table below.
LED Name State Operating Condition
fwd
Steady-On The drive is running the motor in forward
rev
Steady-On The drive is running the motor in reverse
jog
Steady-On The drive is in jog mode
stop
reset
Flashing
The drive has detected a fault and has stopped
the motor
Steady-On The drive has stopped operation
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