VFD Control using Pump Smart only

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ASK73

Can anybody let me know if they have used ITT's Pump smart which uses ABB drive to control the pumps? It does provide additional pump protection, however can one bypass the PLC and only use pump smart to control VFD? The client has an old AB 5 PLC which may cause some timing issues on the VFD speed control. Any thoughts are appreciated.
 
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