English |
| 4. | Clear Text Display Module & System Parameters | |
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Parameter | Function | Range | Description / Notes |
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P003 • | Ramp down time (seconds) | 0 - 650.00 | This is the time taken for the motor to decelerate from maximum frequency | |
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| [25.00] | (P013) to standstill. | |
Setting the ramp down time too short can cause the inverter to trip (fault code F001 - overvoltage).
This is also the period for which DC injection braking is applied (see P073) Frequency 
fmax
0 Hz |
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| Ramp down |
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| time |
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| (0 - 650 s) |
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P004 • Smoothing (seconds) | 0 - 40.0 | Used to smooth the acceleration/deceleration of the motor (useful in | ||||||||||||||||||||||||||||||||||||||||
| [0.0] | applications where it is important to avoid ‘jerking’, e.g. conveyor | ||||||||||||||||||||||||||||||||||||||||
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| systems, textiles, etc.). | ||||||||||||||||||||||||||||||||||||||||
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| Smoothing is only effective if the ramp up/down time exceeds 0.3 s. | ||||||||||||||||||||||||||||||||||||||||
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| P002 = 10 s |
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| fmax |
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| (P013) |
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0 Hz |
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| P004 |
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| P004 |
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| = 5 s |
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| = 5 s |
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| Total acceleration time |
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| Note: |
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| = 15 s |
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The smoothing curve for deceleration is based on the ramp | ||||||||||||||||||
| up gradient (P002) and is added to the ramp down time set | |||||||||||||||||
| by P003. Therefore, the ramp down time is affected by | |||||||||||||||||
| changes to P002. |
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P005 | • | Digital frequency setpoint (Hz) | 0 - 120.00 | Sets the frequency that the inverter will run at when operated in digital |
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| [50.00] | mode. Only effective if P006 set to ‘0’. |
P006 |
| Frequency setpoint source | 0 - 2 | Sets the control mode of the inverter. |
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| selection | [1] | 0 = Digital. The inverter runs at the frequency set in P005. |
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If P007 is set to zero, the frequency may be adjusted by setting any two of digital inputs P051 - P053 to values of 11 and 12.
1 = Analogue. The frequency is set via an analogue input signal or the internal potentiometer.
2 = Fixed frequency or motor potentiometer. Fixed frequency is only selected if the value of at least one binary input (P051 - P053) = 6, 17 or 18.
Notes: (1) If P006 = 1 and the inverter is set up for remote control operation, the analogue inputs remain active (added to the serial setpoint).
(2) Motor potentiometer setpoints via digital inputs are stored when P011 = 1.
© STÖBER plc 1998
05.02.01 | 16 |
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