
Using Intelligent Input Terminals
Operations and Monitoring
When the terminal [FRS] is turned ON, the inverter stops the output and the motor enters the
In the figure below, parameter B_88 selects whether the inverter resumes operation from 0 Hz (left graph) or the current motor rotation speed (right graph) when the [FRS] terminal turns OFF. The application determines the best setting.
Parameter B_03 specifies a delay time before resuming operation from a
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| B_88 = 00 |
| Resume from motor speed | B_88 = 01 |
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| wait time | |||||||||||||
Motor |
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| B 03 | |||||||||||||||
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speed | 1 |
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| speed | 1 |
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FRS |
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| FRS |
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0 |
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| 0 |
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[FW], | 1 |
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| [FW], | 1 |
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[RV] | 0 |
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| [RV] | 0 |
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Option | Terminal | Function Name | Input |
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| Description |
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Code | Symbol | State |
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11 | FRS | ON | Causes output to turn OFF, allowing motor to | |||||||||||
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| free run (coast) to stop |
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| OFF | Output operates normally, so controlled deceler- | ||||||||||
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| ation stops motor |
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Valid for inputs: | C_01, C_02, C_03, C_04, | Example (requires input configuration— | ||||||||||||
C_05 |
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| see page |
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Required settings: | B_03, B_88, C_11 to C_15 |
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| FRS |
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Notes: |
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| L |
| 5 | 4 | 3 |
| 2 | 1 | P24 |
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• When you want the [FRS] terminal to be active low |
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(normally closed logic), change the setting (C_11 to C_15) that corresponds to the input (C_01 to C_05) that is assigned the [FRS] function.
See I/O specs on page