5.4 d: Reference Settings The frequency reference value will be reset to 0 Hz when the Run command is canceled or the drive power is switched off. The drive will start from 0 Hz when restarted. Setting 1: Enabled • Acceleration Hold The last hold value will be saved when the Run command or the drive power is switched off. The drive will use the value that was saved as the frequency reference when it restarts. The accel/decel hold input must be enabled the entire time or else the hold value will be cleared.
ON ON Power supply OFF Forward Run / Stop ON Hold Accel/Decel Frequency reference Output frequency d4-01 = 1 d4-01 = 0 Hold Hold Figure 5.12 Frequency Reference Hold with Accel/Decel Hold Function • Up/Down The frequency reference value will be saved when the Run command or the drive power is switched off. The drive will use the frequency reference that was saved when it restarts. Clearing the Value that was Saved Depending on which function is used, the frequency reference value that was saved can be cleared by: • Releasing the acceleration hold input. • Setting an Up or Down command while no Run command is active.
Parameter Details 5 SIEP C710606 33A OYMC AC Drive – J1000 User Manual 85 ON ON OFF ON ON ON