V20, how to make a constant pressure system work

good afternoon, i need your help. i have a V20 3kw on a water pump for constant pressure system via press sensor 4-20mA 2-wire. i dont know how to make it work. which are the parameters to adjust the sensor in order to display in bar between 1 and 10 and give reference to the drive so it can work in constant pressure

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Split from V20 and pressure Pumps.

Hey Here in the Attachment you can find the suitable guide for your application 

You should activate the PID in your inverter