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PID COMPACT temperature with more than one limit for setpoint

Created by: a.garciaperez at: 5/24/2022 12:13 PM (1 Replies)

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5/24/2022 12:13 PM	Rate (0)
a.garciaperez Member Joined: 12/10/2020 Last visit: 2/1/2023 Posts: 10 Rating: (0)	hi everyone, I would like to know if it is possible to set more than one limit value fot setpoint to the pid compact. for example, I need the pid to regulate the temperature of the oil in circulation but at the same time the resistance must not exceed a certain temperature limit. i currently use a s7-1512 plc and a comfort hmi panel.

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5/24/2022 12:20 PM	Rate (1)
Mach11 Experienced Member Joined: 3/19/2015 Last visit: 1/20/2023 Posts: 76 Rating: (26)	Hi, such applications are often handled with an approach called override control. A description with example how this can be implemented with PID_Compact or PID_Temp can be found in TIA help: Override control with PID_Compact V2 Regards

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