“A” Group: Standard Functions
Analog Input Calculate Function – The inverter can mathematically combine two input sources into one value. The Calculate function can either add, subtract, or multiply the two selected sources. This provides the flexibility needed by various applica- tions.You can use the result for the output frequency setting (use A001=10) or for the PID Process Variable (PV) input (use A075=03).
A input select
B input select
Digital operator 
Potentiometer 
[O] input 
[OI] input 
Network variable 
Digital operator 
Potentiometer 
[O] input 
[OI] input 
Network variable 
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| A141 |
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| A |
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| A143 |
| “CAL” | ||
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| • 00 A + B | |||||||
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| B | • 01 A – B | |||||||
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| • 02 A x B |
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A142
Configuring | Drive Parameters |
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| “A” Function | Run |
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Func. | Name / |
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| Description | Mode |
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| Edit |
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Code | SRW Display |
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A141 | A input select for |
| Five options: | ✘ | 02 | 02 |
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| calculate function |
| 00... Digital operator |
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| 01 | ... Keypad potentiometer |
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| CALC Slct1 | O |
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| 02 | ... [O] input |
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| 03 | ... [OI] input |
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| 04 | ... Network variable |
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A142 | B input select for |
| Five options: | ✘ | 03 | 03 |
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| calculate function |
| 00... Digital operator |
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| 01 | ... Keypad potentiometer |
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| CALC Slct2 | OI |
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| 02 | ... [O] input |
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| 03 | ... [OI] input |
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| 04 | ... Network variable |
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A143 | Calculation symbol | Calculates a value based on the | ✘ | 00 | 00 |
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| A input source (A141 selects) |
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| CALC SMBL | ADD |
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| and the B input source (A142 |
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| selects). Three options: |
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| 00 | ... ADD (A input + B input) |
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| 01 | ... SUB (A input – B input) |
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| 02 | ... MUL (A input x B input) |
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