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The 22C-D105A103 is a PowerFlex 400 used for implementing speed control of motors that are installed for Fan and Pump applications. By implementing speed control, modulating control may be implemented which improves accuracy and efficiency of control.
Adjustable Frequency AC are Variable Frequency Drive (VFD) and Variable Speed Drives (VSD) in other terminologies. Utilization of this hardware promotes energy savings, prevents damage to the connected equipment and provides more control options.
Aside from speed control, VFD simplifies implementation of Remote / Local, Start / Stop control features. Without VFD, these functions are made via hardwiring while with VFD, especially with PowerFlex drives, signal wires are simply terminated to the drives control terminal block.
The drives control terminal block has embedded Seven (7) Discrete Inputs that supports Sinking / Sourcing configuration. One (1) Opto-coupler output and Two (2) sets of Form C outputs, Two (2) Analog Inputs accepting 0-10VDC or 4-20mA signal and Two (2) Analog outputs that transmits 0-10VDC and 4-20mA signals output.
This drive is designed for operation with input voltage range of 380-480VAC, 3-phase, Current output of 105.0 A for use with motor that has a power rating of 55.0 kW or 75.0 HP.
Computer based control systems such as Programmable Logic Controller (PLC) paired with a Human Machine Interface (HMI) or Supervisory Control and Data Acquisition (SCADA) may also be used to control the VFD remotely and introduce Remote / Manual interface. More complex control strategies may also be implemented such as a PID controlled loop with Feedforward, Cascade, Ratio, Cascade, Auctioneering control strategies. VIIIVThe 22C-D105A103 is a PowerFlex 400 adjustable frequency AC drive for Fan and Pump applications. This drive has a Voltage Input rated 380-480VAC, 3-phase and output Voltage of 0-460VAC with rated Current of 105.0 A and Power of 55.0 kW (75.0 HP)