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Reverse PID

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user17630
Posts: 1
Joined: 04/07/2018, 16:06

Reverse PID

Post by user17630 »

Hello, We want to use the DRR245 for reverse PID. That means that we connect a 4-20mA pressure sensor at the analoge input, choose a setpoint and want 10V output when the pressure sensor detect 4mA. So a low input value generates a high output value and a high input value generates a low output value. Can this be done with the DRR245?
Pixsys tecnico 6
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Posts: 1184
Joined: 12/09/2016, 14:49

Re: Reverse PID

Post by Pixsys tecnico 6 »

Hi,
Please reset the DRR245 using the password 9999 and after the reboot insert the 1234 password and set this follow parameters:

1.[C.out] = "C.0.10"
2.[SEn] = "4.20"
6.[Lo.Li] = "4"
7.[uP.Li.] = "20"
11.[Act.t] = "Heat"
18.[P.b.] = "16"
Remember to shortcut the PIN9-10 to enable the Volt output.

Set your setpoint to value 12.

Best Regards.
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