PowerFlex 40 and 400 Drive Control Logic
AC Drive Diagnostics/Parameter Viewing
PowerFlex Integrated Keypad
The PowerFlex series AC drives have an integral keypad that can be used for viewing and editing parameter values. No external parameter unit is required, however an external
Integral Keypad
The integral keypad displays several main menu group selections such as “d”, “P”, and “A” as described below. Within the Display Group is a fault storage buffer that stores the last three AC drive fault codes. Refer to the Fault Display and Troubleshooting Information Section for more information.
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1
2
RUN | VOLTS |
FWD | AMPS |
REV | HERTZ |
6 | 3 |
PROGRAM | FAULT |
5
4
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| POWERFLEX LED DISPLAYS | |
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| PHM640N |
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Number | LED | LED State |
| Description |
1 | Display | Steady Red |
| Indicates parameter number, parameter value, or fault code. |
| Flashing Red |
| Single digit flashing indicates that digit can be edited. All digits flashing | |
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| indicates a fault condition. See table below. |
2 | Displayed Units | Steady Red |
| Indicates the units of the parameter value being displayed. |
3 | Fault Status | Flashing Red |
| Indicates drive is faulted. |
4 | Start Key Status | Steady Green |
| Indicates Start key on Integral Keypad is active. The Reverse key is also |
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| active unless disabled by A095 (Reverse Disable). | |
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5 | Pot Status | Steady Green |
| Indicates potentiometer on Integral Keypad is active. |
6 | Program Status | Steady Red |
| Indicates parameter value can be changed. |
| Run/Direction | Steady Red |
| Indicates drive is running and commanded motor direction. |
7 | Status |
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Flashing Red |
| Drive has been commanded to change direction. Indicates actual motor | ||
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| direction while decelerating to zero. |
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| Figure 18 |
28 | © Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT | F232120 |